diff --git a/Gruntfile.js b/Gruntfile.js
index fb64bb015..b48c5834d 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -83,7 +83,7 @@ module.exports = function (grunt) {
             },
             sliderJs: {
                 src: [
-                    'src/addons/sliders/singleslider/**/*.js'
+                    'src/addons/sliders/js/**/*.js'
                 ],
                 dest: 'dist/sliders.js'
             },
@@ -236,7 +236,7 @@ module.exports = function (grunt) {
             },
             bi_sliderJs: {
                 src: [
-                    'src/addons/sliders/singleslider/**/*.js'
+                    'src/addons/sliders/js/**/*.js'
                 ],
                 dest: 'bi/sliders.js'
             },
@@ -275,7 +275,14 @@ module.exports = function (grunt) {
         },
 
         less: {
-            main: {
+            sliders: {
+                expand: true,
+                cwd: 'src/addons/sliders/less',
+                src: ['**/*.less'],
+                dest: 'src/addons/sliders/css/',
+                ext: '.css'
+            },
+            demo: {
                 expand: true,
                 cwd: 'demo/less',
                 src: ['**/*.less'],
diff --git a/bi/case.js b/bi/case.js
index 4aec4380f..43f6ea19c 100644
--- a/bi/case.js
+++ b/bi/case.js
@@ -12276,10 +12276,10 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
-            if (node.count > 0) {
-                node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
-            } else {
-                node.text = node.value;
+            if (node.text == null) {
+                if (node.count > 0) {
+                    node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
+                }
             }
         });
         return nodes;
diff --git a/bi/sliders.css b/bi/sliders.css
index 8766c102d..03f096baf 100644
--- a/bi/sliders.css
+++ b/bi/sliders.css
@@ -1,3 +1,29 @@
+.bi-interval-slider-label {
+  min-height: 50px;
+}
+
+.bi-interval-slider {
+  min-height: 70px;
+}
+.bi-single-slider-label {
+  min-height: 50px;
+}
+
+.bi-single-slider-normal {
+  min-height: 30px;
+}
+.bi-single-slider {
+  min-height: 50px;
+}
+.bi-single-slider-button .slider-button {
+  cursor: ew-resize;
+  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -webkit-border-radius: 7px;
+  -moz-border-radius: 7px;
+  border-radius: 7px;
+}
 .bi-single-slider-button .slider-button {
   cursor: ew-resize;
   -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
@@ -19,3 +45,15 @@
   -moz-border-radius: 3px;
   border-radius: 3px;
 }
+.bi-slider-track .gray-track {
+  background-color: rgba(153, 153, 153, 0.3);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d999999,endColorstr=#4d999999);
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
+.bi-slider-track .blue-track {
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
diff --git a/bi/sliders.js b/bi/sliders.js
index 9ad98714b..460e5c3e8 100644
--- a/bi/sliders.js
+++ b/bi/sliders.js
@@ -1,4 +1,1144 @@
 /**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSlider = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 30,
+        HEIGHT: 28,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSlider.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider bi-slider-track"
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSlider.superclass._init.apply(this, arguments);
+
+        var self = this;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        // this.backgroundTrack = BI.createWidget({
+        //     type: "bi.layout",
+        //     cls: "background-track",
+        //     height: c.TRACK_HEIGHT
+        // });
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelOne.element.hover(function () {
+            self.labelOne.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelOne.element.removeClass("bi-border");
+        });
+        this.labelOne.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueOne = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));//分成1000份
+            self._setLabelOnePosition(significantPercent);
+            self._setSliderOnePosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelTwo.element.hover(function () {
+            self.labelTwo.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelTwo.element.removeClass("bi-border");
+        });
+        this.labelTwo.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueTwo = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));
+            self._setLabelTwoPosition(significantPercent);
+            self._setSliderTwoPosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelOne.setValue(v);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelTwo.setValue(v);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 23,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 20,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _setErrorText: function () {
+        var errorText = BI.i18nText("BI-Please_Enter") + this.min + "-" + this.max + BI.i18nText("BI-Basic_De") + BI.i18nText("BI-Basic_Number");
+        this.labelOne.setErrorText(errorText);
+        this.labelTwo.setErrorText(errorText);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if(this.precision < 0){
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        }else{
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if(eIndex > -1){
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        }else{
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if(value <= this.min){
+            return this.min
+        }
+        if(value >= this.max){
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            this._setErrorText();
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSlider.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider", BI.IntervalSlider);/**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSliderLabel = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSliderLabel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider-label bi-slider-track",
+            digit: false,
+            unit: ""
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSliderLabel.superclass._init.apply(this, arguments);
+
+        var self = this, o = this.options;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelOne.setText(v + o.unit);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelTwo.setText(v + o.unit);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 13,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 10,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if (this.precision < 0) {
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        } else {
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if (eIndex > -1) {
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        } else {
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if (value <= this.min) {
+            return this.min
+        }
+        if (value >= this.max) {
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var o = this.options;
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSliderLabel.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider_label", BI.IntervalSliderLabel);/**
+ * Created by zcf on 2017/3/1.
+ * 万恶的IEEE-754
+ * 使用字符串精确计算含小数加法、减法、乘法和10的指数倍除法，支持负数
+ */
+BI.AccurateCalculationModel = BI.inherit(BI.Widget, {
+    _defaultConfig: function () {
+        return BI.extend(BI.AccurateCalculationModel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: ""
+        })
+    },
+
+    _init: function () {
+        BI.AccurateCalculationModel.superclass._init.apply(this, arguments);
+    },
+
+    _getMagnitude: function (n) {
+        var magnitude = "1";
+        for (var i = 0; i < n; i++) {
+            magnitude += "0";
+        }
+        return BI.parseInt(magnitude);
+    },
+
+    _formatDecimal: function (stringNumber1, stringNumber2) {
+        if (stringNumber1.numDecimalLength === stringNumber2.numDecimalLength) {
+            return;
+        }
+        var magnitudeDiff = stringNumber1.numDecimalLength - stringNumber2.numDecimalLength;
+        if (magnitudeDiff > 0) {
+            var needAddZero = stringNumber2
+        } else {
+            var needAddZero = stringNumber1;
+            magnitudeDiff = (0 - magnitudeDiff);
+        }
+        for (var i = 0; i < magnitudeDiff; i++) {
+            if (needAddZero.numDecimal === "0" && i === 0) {
+                continue
+            }
+            needAddZero.numDecimal += "0"
+        }
+    },
+
+    _stringNumberFactory: function (num) {
+        var strNum = num.toString();
+        var numStrArray = strNum.split(".");
+        var numInteger = numStrArray[0];
+        if (numStrArray.length === 1) {
+            var numDecimal = "0";
+            var numDecimalLength = 0;
+        } else {
+            var numDecimal = numStrArray[1];
+            var numDecimalLength = numStrArray[1].length;
+        }
+        return {
+            "numInteger": numInteger,
+            "numDecimal": numDecimal,
+            "numDecimalLength": numDecimalLength
+        }
+    },
+
+    _accurateSubtraction: function (num1, num2) {//num1-num2 && num1>num2
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) - BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+        var decimalMaxLength = getDecimalMaxLength(stringNumber1, stringNumber2);
+
+        if (BI.parseInt(stringNumber1.numDecimal) >= BI.parseInt(stringNumber2.numDecimal)) {
+            var decimalResultTemp = (BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        } else {//否则借位
+            integerResult--;
+            var borrow = this._getMagnitude(decimalMaxLength);
+            var decimalResultTemp = (borrow + BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function getDecimalMaxLength(num1, num2) {
+            if (num1.numDecimal.length >= num2.numDecimal.length) {
+                return num1.numDecimal.length
+            }
+            return num2.numDecimal.length
+        }
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateAddition: function (num1, num2) {//加法结合律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) + BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+
+        var decimalResult = (BI.parseInt(stringNumber1.numDecimal) + BI.parseInt(stringNumber2.numDecimal)).toString();
+
+        if (decimalResult !== "0") {
+            if (decimalResult.length <= stringNumber1.numDecimal.length) {
+                decimalResult = addZero(decimalResult, stringNumber1.numDecimal.length)
+            } else {
+                integerResult++;//进一
+                decimalResult = decimalResult.slice(1);
+            }
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateMultiplication: function (num1, num2) {//乘法分配律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numInteger);
+        //num1的小数和num2的整数
+        var dec1Int2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numInteger), stringNumber1.numDecimalLength);
+        //num1的整数和num2的小数
+        var int1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numDecimal), stringNumber2.numDecimalLength);
+        //小数*小数
+        var dec1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numDecimal), (stringNumber1.numDecimalLength + stringNumber2.numDecimalLength));
+
+        return this._accurateAddition(this._accurateAddition(this._accurateAddition(integerResult, dec1Int2), int1dec2), dec1dec2);
+    },
+
+    _accurateDivisionTenExponent: function (num, n) {// num/10^n && n>0
+        var stringNumber = this._stringNumberFactory(num);
+        if (stringNumber.numInteger.length > n) {
+            var integerResult = stringNumber.numInteger.slice(0, (stringNumber.numInteger.length - n));
+            var partDecimalResult = stringNumber.numInteger.slice(-n);
+        } else {
+            var integerResult = "0";
+            var partDecimalResult = addZero(stringNumber.numInteger, n);
+        }
+        var result = integerResult + "." + partDecimalResult + stringNumber.numDecimal;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    accurateSubtraction: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(num1, num2)
+            }
+            return -this._accurateSubtraction(num2, num1)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this._accurateAddition(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateAddition(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(-num2, -num1)
+            }
+            return this._accurateSubtraction(-num1, -num2)
+        }
+    },
+
+    accurateAddition: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateAddition(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this.accurateSubtraction(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return this.accurateSubtraction(num2, -num1)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return -this._accurateAddition(-num1, -num2)
+        }
+    },
+
+    accurateMultiplication: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateMultiplication(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return -this._accurateMultiplication(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateMultiplication(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return this._accurateMultiplication(-num1, -num2)
+        }
+    },
+
+    accurateDivisionTenExponent: function (num1, n) {
+        if (num1 >= 0) {
+            return this._accurateDivisionTenExponent(num1, n);
+        }
+        return -this._accurateDivisionTenExponent(-num1, n);
+    }
+});/**
  * Created by zcf on 2016/9/22.
  */
 BI.SliderIconButton = BI.inherit(BI.Widget, {
@@ -46,14 +1186,13 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.SingleSlider.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-single-slider bi-slider-track",
-            digit: ""
+            digit: false
         });
     },
     _init: function () {
         BI.SingleSlider.superclass._init.apply(this, arguments);
 
         var self = this, o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
         var c = this._constant;
         this.enable = false;
         this.value = "";
@@ -83,7 +1222,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 self._setBlueTrack(significantPercent);
                 self._setLabelPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -121,7 +1260,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 var significantPercent = BI.parseFloat(percent.toFixed(1));
                 self._setAllPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -129,7 +1268,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
         });
         this.label = BI.createWidget({
             type: "bi.sign_editor",
-            cls: "slider-editor-button bi-border",
+            cls: "slider-editor-button",
             errorText: "",
             height: c.HEIGHT,
             width: c.EDITOR_WIDTH - 2,
@@ -141,12 +1280,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 return self._checkValidation(v);
             }
         });
+        this.label.element.hover(function () {
+            self.label.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.label.element.removeClass("bi-border");
+        });
         this.label.on(BI.SignEditor.EVENT_CONFIRM, function () {
             var v = BI.parseFloat(this.getValue());
             var percent = self._getPercentByValue(v);
             var significantPercent = BI.parseFloat(percent.toFixed(1));
             self._setAllPosition(significantPercent);
-            v = digitExist ? v.toFixed(o.digit) : v;
             this.setValue(v);
             self.value = v;
             self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -169,12 +1312,12 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 23,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 20,
                 left: 0,
                 width: "100%"
             }, {
@@ -270,17 +1413,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
 
     setValue: function (v) {
         var o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
-        var value = BI.parseFloat(v);
-        value = digitExist ? value.toFixed(o.digit) : value;
-        if ((!isNaN(value))) {
-            if (this._checkValidation(value)) {
-                this.value = value;
+        v = BI.parseFloat(v);
+        v = o.digit === false ? v : v.toFixed(o.digit);
+        if ((!isNaN(v))) {
+            if (this._checkValidation(v)) {
+                this.value = v;
             }
-            if (value > this.max) {
+            if (v > this.max) {
                 this.value = this.max;
             }
-            if (value < this.min) {
+            if (v < this.min) {
                 this.value = this.min;
             }
         }
@@ -326,8 +1468,8 @@ BI.shortcut("bi.single_slider", BI.SingleSlider);/**
 BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     _constant: {
         EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
-        HEIGHT: 28,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
         SLIDER_HEIGHT: 30,
@@ -335,7 +1477,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     },
     _defaultConfig: function () {
         return BI.extend(BI.SingleSliderLabel.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-single-slider bi-slider-track",
+            baseCls: "bi-single-slider-label bi-slider-track",
             digit: "",
             unit: ""
         });
@@ -442,12 +1584,12 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 13,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 10,
                 left: 0,
                 width: "100%"
             }, {
@@ -460,7 +1602,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     rgap: c.EDITOR_WIDTH,
                     height: c.EDITOR_HEIGHT
                 },
-                top: 10,
+                top: 0,
                 left: 0,
                 width: "100%"
             }]
@@ -600,8 +1742,6 @@ BI.shortcut("bi.single_slider_label", BI.SingleSliderLabel);/**
 BI.SingleSliderNormal = BI.inherit(BI.Widget, {
 
     _constant: {
-        EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
         HEIGHT: 28,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
@@ -610,12 +1750,12 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
     },
 
     props: {
-        baseCls: "bi-single-button bi-button-track",
+        baseCls: "bi-single-slider-normal bi-slider-track",
         minMax: {
             min: 0,
             max: 100
         },
-        color: "#3f8ce8"
+        // color: "#3f8ce8"
     },
 
     render: function () {
@@ -718,7 +1858,9 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
             cls: "blue-track",
             height: 6
         });
-        this.blueTrack.element.css({"background-color": this.options.color});
+        if (this.options.color) {
+            this.blueTrack.element.css({"background-color": this.options.color});
+        }
 
         return {
             type: "bi.absolute",
diff --git a/demo/js/config/addons.js b/demo/js/config/addons.js
index b02a59047..90168da0f 100644
--- a/demo/js/config/addons.js
+++ b/demo/js/config/addons.js
@@ -12,10 +12,8 @@ Demo.ADDONS_CONFIG = [{
 }, {
     pId: 6,
     id: 602,
-    text: "sliders"
-}, {
-    pId: 602,
-    text: "bi.single_slider"
+    text: "滚动sliders",
+    value: "demo.slider"
 }, {
     id: 100000,
     text: "小demo",
diff --git a/demo/js/config/widget.js b/demo/js/config/widget.js
index 11adecc48..8aaa5458a 100644
--- a/demo/js/config/widget.js
+++ b/demo/js/config/widget.js
@@ -252,14 +252,6 @@ Demo.WIDGET_CONFIG = [{
     pId: 419,
     text: "bi.file_manager",
     value: "demo.file_manager"
-}, {
-    pId: 4,
-    id: 421,
-    text: "滚动调节"
-}, {
-    pId: 421,
-    text: "bi.slider",
-    value: "demo.slider"
 }, {
     pId: 4,
     text: '时间间隔',
diff --git a/demo/js/widget/slider/demo.slider.js b/demo/js/widget/slider/demo.slider.js
index d049db3fa..7cb0bfb07 100644
--- a/demo/js/widget/slider/demo.slider.js
+++ b/demo/js/widget/slider/demo.slider.js
@@ -16,7 +16,8 @@ Demo.Slider = BI.inherit(BI.Widget, {
             type: "bi.single_slider",
             digit: 0,
             width: 300,
-            height: 50
+            height: 50,
+            cls: "layout-bg-white"
         });
 
         singleSlider.setMinAndMax({
@@ -32,10 +33,11 @@ Demo.Slider = BI.inherit(BI.Widget, {
 
         var singleSliderLabel = BI.createWidget({
             type: "bi.single_slider_label",
-            height: 30,
+            height: 50,
             width: 300,
             digit: 0,
-            unit: "个"
+            unit: "个",
+            cls: "layout-bg-white"
         });
         singleSliderLabel.setMinAndMax({
             min: 0,
@@ -47,7 +49,8 @@ Demo.Slider = BI.inherit(BI.Widget, {
         var normalSingleSlider = BI.createWidget({
             type: "bi.single_slider_normal",
             height: 30,
-            width: 300
+            width: 300,
+            cls: "layout-bg-white"
         });
         normalSingleSlider.setMinAndMax({
             min: 0,
@@ -56,35 +59,68 @@ Demo.Slider = BI.inherit(BI.Widget, {
         normalSingleSlider.setValue(10);
         normalSingleSlider.populate();
 
+
+        var intervalSlider = BI.createWidget({
+            type: "bi.interval_slider",
+            width: 300,
+            cls: "layout-bg-white"
+        });
+        intervalSlider.setMinAndMax({
+            min: 0,
+            max: 120
+        });
+        intervalSlider.setValue({
+            min: 10,
+            max: 120
+        });
+        intervalSlider.populate();
+
+        var intervalSliderLabel = BI.createWidget({
+            type: "bi.interval_slider_label",
+            width: 300,
+            cls: "layout-bg-white"
+        });
+        intervalSliderLabel.setMinAndMax({
+            min: 0,
+            max: 120
+        });
+        intervalSliderLabel.setValue({
+            min: 10,
+            max: 120
+        });
+        intervalSliderLabel.populate();
+
+
         BI.createWidget({
-            type: "bi.vtape",
+            type: "bi.vertical",
             element: this,
             items: [{
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: singleSlider
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: singleSlider
+                }]
+            }, {
+                type: "bi.center_adapt",
+                items: [{
+                    el: normalSingleSlider
+                }]
+            }, {
+                type: "bi.center_adapt",
+                items: [{
+                    el: singleSliderLabel
+                }]
             }, {
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: normalSingleSlider
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: intervalSlider
+                }]
             }, {
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: singleSliderLabel
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: intervalSliderLabel
+                }]
             }],
-            hgap: 20
+            vgap: 20
         });
     }
 });
diff --git a/dist/bundle.js b/dist/bundle.js
index 9fec5c6df..fc3de750d 100644
--- a/dist/bundle.js
+++ b/dist/bundle.js
@@ -77949,10 +77949,10 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
-            if (node.count > 0) {
-                node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
-            } else {
-                node.text = node.value;
+            if (node.text == null) {
+                if (node.count > 0) {
+                    node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
+                }
             }
         });
         return nodes;
diff --git a/dist/case.js b/dist/case.js
index 996b843c8..c94b92470 100644
--- a/dist/case.js
+++ b/dist/case.js
@@ -12276,10 +12276,10 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
-            if (node.count > 0) {
-                node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
-            } else {
-                node.text = node.value;
+            if (node.text == null) {
+                if (node.count > 0) {
+                    node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
+                }
             }
         });
         return nodes;
diff --git a/dist/demo.js b/dist/demo.js
index 97301635b..093ee9478 100644
--- a/dist/demo.js
+++ b/dist/demo.js
@@ -3049,10 +3049,8 @@ BI.shortcut("demo.value_chooser_pane", Demo.ValueChooserPane);Demo.ADDONS_CONFIG
 }, {
     pId: 6,
     id: 602,
-    text: "sliders"
-}, {
-    pId: 602,
-    text: "bi.single_slider"
+    text: "滚动sliders",
+    value: "demo.slider"
 }, {
     id: 100000,
     text: "小demo",
@@ -3868,14 +3866,6 @@ Demo.COMPONENT_CONFIG = [{
     pId: 419,
     text: "bi.file_manager",
     value: "demo.file_manager"
-}, {
-    pId: 4,
-    id: 421,
-    text: "滚动调节"
-}, {
-    pId: 421,
-    text: "bi.slider",
-    value: "demo.slider"
 }, {
     pId: 4,
     text: '时间间隔',
@@ -8564,7 +8554,8 @@ Demo.Slider = BI.inherit(BI.Widget, {
             type: "bi.single_slider",
             digit: 0,
             width: 300,
-            height: 50
+            height: 50,
+            cls: "layout-bg-white"
         });
 
         singleSlider.setMinAndMax({
@@ -8580,10 +8571,11 @@ Demo.Slider = BI.inherit(BI.Widget, {
 
         var singleSliderLabel = BI.createWidget({
             type: "bi.single_slider_label",
-            height: 30,
+            height: 50,
             width: 300,
             digit: 0,
-            unit: "个"
+            unit: "个",
+            cls: "layout-bg-white"
         });
         singleSliderLabel.setMinAndMax({
             min: 0,
@@ -8595,7 +8587,8 @@ Demo.Slider = BI.inherit(BI.Widget, {
         var normalSingleSlider = BI.createWidget({
             type: "bi.single_slider_normal",
             height: 30,
-            width: 300
+            width: 300,
+            cls: "layout-bg-white"
         });
         normalSingleSlider.setMinAndMax({
             min: 0,
@@ -8604,35 +8597,68 @@ Demo.Slider = BI.inherit(BI.Widget, {
         normalSingleSlider.setValue(10);
         normalSingleSlider.populate();
 
+
+        var intervalSlider = BI.createWidget({
+            type: "bi.interval_slider",
+            width: 300,
+            cls: "layout-bg-white"
+        });
+        intervalSlider.setMinAndMax({
+            min: 0,
+            max: 120
+        });
+        intervalSlider.setValue({
+            min: 10,
+            max: 120
+        });
+        intervalSlider.populate();
+
+        var intervalSliderLabel = BI.createWidget({
+            type: "bi.interval_slider_label",
+            width: 300,
+            cls: "layout-bg-white"
+        });
+        intervalSliderLabel.setMinAndMax({
+            min: 0,
+            max: 120
+        });
+        intervalSliderLabel.setValue({
+            min: 10,
+            max: 120
+        });
+        intervalSliderLabel.populate();
+
+
         BI.createWidget({
-            type: "bi.vtape",
+            type: "bi.vertical",
             element: this,
             items: [{
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: singleSlider
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: singleSlider
+                }]
             }, {
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: normalSingleSlider
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: normalSingleSlider
+                }]
             }, {
-                el: {
-                    type: "bi.center_adapt",
-                    items: [{
-                        el: singleSliderLabel
-                    }]
-                },
-                height: 200
+                type: "bi.center_adapt",
+                items: [{
+                    el: singleSliderLabel
+                }]
+            }, {
+                type: "bi.center_adapt",
+                items: [{
+                    el: intervalSlider
+                }]
+            }, {
+                type: "bi.center_adapt",
+                items: [{
+                    el: intervalSliderLabel
+                }]
             }],
-            hgap: 20
+            vgap: 20
         });
     }
 });
diff --git a/dist/sliders.css b/dist/sliders.css
index 8766c102d..03f096baf 100644
--- a/dist/sliders.css
+++ b/dist/sliders.css
@@ -1,3 +1,29 @@
+.bi-interval-slider-label {
+  min-height: 50px;
+}
+
+.bi-interval-slider {
+  min-height: 70px;
+}
+.bi-single-slider-label {
+  min-height: 50px;
+}
+
+.bi-single-slider-normal {
+  min-height: 30px;
+}
+.bi-single-slider {
+  min-height: 50px;
+}
+.bi-single-slider-button .slider-button {
+  cursor: ew-resize;
+  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -webkit-border-radius: 7px;
+  -moz-border-radius: 7px;
+  border-radius: 7px;
+}
 .bi-single-slider-button .slider-button {
   cursor: ew-resize;
   -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
@@ -19,3 +45,15 @@
   -moz-border-radius: 3px;
   border-radius: 3px;
 }
+.bi-slider-track .gray-track {
+  background-color: rgba(153, 153, 153, 0.3);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d999999,endColorstr=#4d999999);
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
+.bi-slider-track .blue-track {
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
diff --git a/dist/sliders.js b/dist/sliders.js
index 9ad98714b..460e5c3e8 100644
--- a/dist/sliders.js
+++ b/dist/sliders.js
@@ -1,4 +1,1144 @@
 /**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSlider = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 30,
+        HEIGHT: 28,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSlider.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider bi-slider-track"
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSlider.superclass._init.apply(this, arguments);
+
+        var self = this;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        // this.backgroundTrack = BI.createWidget({
+        //     type: "bi.layout",
+        //     cls: "background-track",
+        //     height: c.TRACK_HEIGHT
+        // });
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelOne.element.hover(function () {
+            self.labelOne.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelOne.element.removeClass("bi-border");
+        });
+        this.labelOne.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueOne = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));//分成1000份
+            self._setLabelOnePosition(significantPercent);
+            self._setSliderOnePosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelTwo.element.hover(function () {
+            self.labelTwo.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelTwo.element.removeClass("bi-border");
+        });
+        this.labelTwo.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueTwo = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));
+            self._setLabelTwoPosition(significantPercent);
+            self._setSliderTwoPosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelOne.setValue(v);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelTwo.setValue(v);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 23,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 20,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _setErrorText: function () {
+        var errorText = BI.i18nText("BI-Please_Enter") + this.min + "-" + this.max + BI.i18nText("BI-Basic_De") + BI.i18nText("BI-Basic_Number");
+        this.labelOne.setErrorText(errorText);
+        this.labelTwo.setErrorText(errorText);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if(this.precision < 0){
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        }else{
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if(eIndex > -1){
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        }else{
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if(value <= this.min){
+            return this.min
+        }
+        if(value >= this.max){
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            this._setErrorText();
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSlider.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider", BI.IntervalSlider);/**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSliderLabel = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSliderLabel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider-label bi-slider-track",
+            digit: false,
+            unit: ""
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSliderLabel.superclass._init.apply(this, arguments);
+
+        var self = this, o = this.options;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelOne.setText(v + o.unit);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelTwo.setText(v + o.unit);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 13,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 10,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if (this.precision < 0) {
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        } else {
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if (eIndex > -1) {
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        } else {
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if (value <= this.min) {
+            return this.min
+        }
+        if (value >= this.max) {
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var o = this.options;
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSliderLabel.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider_label", BI.IntervalSliderLabel);/**
+ * Created by zcf on 2017/3/1.
+ * 万恶的IEEE-754
+ * 使用字符串精确计算含小数加法、减法、乘法和10的指数倍除法，支持负数
+ */
+BI.AccurateCalculationModel = BI.inherit(BI.Widget, {
+    _defaultConfig: function () {
+        return BI.extend(BI.AccurateCalculationModel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: ""
+        })
+    },
+
+    _init: function () {
+        BI.AccurateCalculationModel.superclass._init.apply(this, arguments);
+    },
+
+    _getMagnitude: function (n) {
+        var magnitude = "1";
+        for (var i = 0; i < n; i++) {
+            magnitude += "0";
+        }
+        return BI.parseInt(magnitude);
+    },
+
+    _formatDecimal: function (stringNumber1, stringNumber2) {
+        if (stringNumber1.numDecimalLength === stringNumber2.numDecimalLength) {
+            return;
+        }
+        var magnitudeDiff = stringNumber1.numDecimalLength - stringNumber2.numDecimalLength;
+        if (magnitudeDiff > 0) {
+            var needAddZero = stringNumber2
+        } else {
+            var needAddZero = stringNumber1;
+            magnitudeDiff = (0 - magnitudeDiff);
+        }
+        for (var i = 0; i < magnitudeDiff; i++) {
+            if (needAddZero.numDecimal === "0" && i === 0) {
+                continue
+            }
+            needAddZero.numDecimal += "0"
+        }
+    },
+
+    _stringNumberFactory: function (num) {
+        var strNum = num.toString();
+        var numStrArray = strNum.split(".");
+        var numInteger = numStrArray[0];
+        if (numStrArray.length === 1) {
+            var numDecimal = "0";
+            var numDecimalLength = 0;
+        } else {
+            var numDecimal = numStrArray[1];
+            var numDecimalLength = numStrArray[1].length;
+        }
+        return {
+            "numInteger": numInteger,
+            "numDecimal": numDecimal,
+            "numDecimalLength": numDecimalLength
+        }
+    },
+
+    _accurateSubtraction: function (num1, num2) {//num1-num2 && num1>num2
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) - BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+        var decimalMaxLength = getDecimalMaxLength(stringNumber1, stringNumber2);
+
+        if (BI.parseInt(stringNumber1.numDecimal) >= BI.parseInt(stringNumber2.numDecimal)) {
+            var decimalResultTemp = (BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        } else {//否则借位
+            integerResult--;
+            var borrow = this._getMagnitude(decimalMaxLength);
+            var decimalResultTemp = (borrow + BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function getDecimalMaxLength(num1, num2) {
+            if (num1.numDecimal.length >= num2.numDecimal.length) {
+                return num1.numDecimal.length
+            }
+            return num2.numDecimal.length
+        }
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateAddition: function (num1, num2) {//加法结合律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) + BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+
+        var decimalResult = (BI.parseInt(stringNumber1.numDecimal) + BI.parseInt(stringNumber2.numDecimal)).toString();
+
+        if (decimalResult !== "0") {
+            if (decimalResult.length <= stringNumber1.numDecimal.length) {
+                decimalResult = addZero(decimalResult, stringNumber1.numDecimal.length)
+            } else {
+                integerResult++;//进一
+                decimalResult = decimalResult.slice(1);
+            }
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateMultiplication: function (num1, num2) {//乘法分配律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numInteger);
+        //num1的小数和num2的整数
+        var dec1Int2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numInteger), stringNumber1.numDecimalLength);
+        //num1的整数和num2的小数
+        var int1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numDecimal), stringNumber2.numDecimalLength);
+        //小数*小数
+        var dec1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numDecimal), (stringNumber1.numDecimalLength + stringNumber2.numDecimalLength));
+
+        return this._accurateAddition(this._accurateAddition(this._accurateAddition(integerResult, dec1Int2), int1dec2), dec1dec2);
+    },
+
+    _accurateDivisionTenExponent: function (num, n) {// num/10^n && n>0
+        var stringNumber = this._stringNumberFactory(num);
+        if (stringNumber.numInteger.length > n) {
+            var integerResult = stringNumber.numInteger.slice(0, (stringNumber.numInteger.length - n));
+            var partDecimalResult = stringNumber.numInteger.slice(-n);
+        } else {
+            var integerResult = "0";
+            var partDecimalResult = addZero(stringNumber.numInteger, n);
+        }
+        var result = integerResult + "." + partDecimalResult + stringNumber.numDecimal;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    accurateSubtraction: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(num1, num2)
+            }
+            return -this._accurateSubtraction(num2, num1)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this._accurateAddition(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateAddition(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(-num2, -num1)
+            }
+            return this._accurateSubtraction(-num1, -num2)
+        }
+    },
+
+    accurateAddition: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateAddition(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this.accurateSubtraction(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return this.accurateSubtraction(num2, -num1)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return -this._accurateAddition(-num1, -num2)
+        }
+    },
+
+    accurateMultiplication: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateMultiplication(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return -this._accurateMultiplication(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateMultiplication(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return this._accurateMultiplication(-num1, -num2)
+        }
+    },
+
+    accurateDivisionTenExponent: function (num1, n) {
+        if (num1 >= 0) {
+            return this._accurateDivisionTenExponent(num1, n);
+        }
+        return -this._accurateDivisionTenExponent(-num1, n);
+    }
+});/**
  * Created by zcf on 2016/9/22.
  */
 BI.SliderIconButton = BI.inherit(BI.Widget, {
@@ -46,14 +1186,13 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.SingleSlider.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-single-slider bi-slider-track",
-            digit: ""
+            digit: false
         });
     },
     _init: function () {
         BI.SingleSlider.superclass._init.apply(this, arguments);
 
         var self = this, o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
         var c = this._constant;
         this.enable = false;
         this.value = "";
@@ -83,7 +1222,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 self._setBlueTrack(significantPercent);
                 self._setLabelPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -121,7 +1260,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 var significantPercent = BI.parseFloat(percent.toFixed(1));
                 self._setAllPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -129,7 +1268,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
         });
         this.label = BI.createWidget({
             type: "bi.sign_editor",
-            cls: "slider-editor-button bi-border",
+            cls: "slider-editor-button",
             errorText: "",
             height: c.HEIGHT,
             width: c.EDITOR_WIDTH - 2,
@@ -141,12 +1280,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 return self._checkValidation(v);
             }
         });
+        this.label.element.hover(function () {
+            self.label.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.label.element.removeClass("bi-border");
+        });
         this.label.on(BI.SignEditor.EVENT_CONFIRM, function () {
             var v = BI.parseFloat(this.getValue());
             var percent = self._getPercentByValue(v);
             var significantPercent = BI.parseFloat(percent.toFixed(1));
             self._setAllPosition(significantPercent);
-            v = digitExist ? v.toFixed(o.digit) : v;
             this.setValue(v);
             self.value = v;
             self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -169,12 +1312,12 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 23,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 20,
                 left: 0,
                 width: "100%"
             }, {
@@ -270,17 +1413,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
 
     setValue: function (v) {
         var o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
-        var value = BI.parseFloat(v);
-        value = digitExist ? value.toFixed(o.digit) : value;
-        if ((!isNaN(value))) {
-            if (this._checkValidation(value)) {
-                this.value = value;
+        v = BI.parseFloat(v);
+        v = o.digit === false ? v : v.toFixed(o.digit);
+        if ((!isNaN(v))) {
+            if (this._checkValidation(v)) {
+                this.value = v;
             }
-            if (value > this.max) {
+            if (v > this.max) {
                 this.value = this.max;
             }
-            if (value < this.min) {
+            if (v < this.min) {
                 this.value = this.min;
             }
         }
@@ -326,8 +1468,8 @@ BI.shortcut("bi.single_slider", BI.SingleSlider);/**
 BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     _constant: {
         EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
-        HEIGHT: 28,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
         SLIDER_HEIGHT: 30,
@@ -335,7 +1477,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     },
     _defaultConfig: function () {
         return BI.extend(BI.SingleSliderLabel.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-single-slider bi-slider-track",
+            baseCls: "bi-single-slider-label bi-slider-track",
             digit: "",
             unit: ""
         });
@@ -442,12 +1584,12 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 13,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 10,
                 left: 0,
                 width: "100%"
             }, {
@@ -460,7 +1602,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     rgap: c.EDITOR_WIDTH,
                     height: c.EDITOR_HEIGHT
                 },
-                top: 10,
+                top: 0,
                 left: 0,
                 width: "100%"
             }]
@@ -600,8 +1742,6 @@ BI.shortcut("bi.single_slider_label", BI.SingleSliderLabel);/**
 BI.SingleSliderNormal = BI.inherit(BI.Widget, {
 
     _constant: {
-        EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
         HEIGHT: 28,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
@@ -610,12 +1750,12 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
     },
 
     props: {
-        baseCls: "bi-single-button bi-button-track",
+        baseCls: "bi-single-slider-normal bi-slider-track",
         minMax: {
             min: 0,
             max: 100
         },
-        color: "#3f8ce8"
+        // color: "#3f8ce8"
     },
 
     render: function () {
@@ -718,7 +1858,9 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
             cls: "blue-track",
             height: 6
         });
-        this.blueTrack.element.css({"background-color": this.options.color});
+        if (this.options.color) {
+            this.blueTrack.element.css({"background-color": this.options.color});
+        }
 
         return {
             type: "bi.absolute",
diff --git a/src/addons/sliders/css/intervalslider/intervalslider.css b/src/addons/sliders/css/intervalslider/intervalslider.css
new file mode 100644
index 000000000..18bcc2934
--- /dev/null
+++ b/src/addons/sliders/css/intervalslider/intervalslider.css
@@ -0,0 +1,7 @@
+.bi-interval-slider-label {
+  min-height: 50px;
+}
+
+.bi-interval-slider {
+  min-height: 70px;
+}
diff --git a/src/addons/sliders/css/singleslider/singlelider.css b/src/addons/sliders/css/singleslider/singlelider.css
new file mode 100644
index 000000000..89c22bab6
--- /dev/null
+++ b/src/addons/sliders/css/singleslider/singlelider.css
@@ -0,0 +1,7 @@
+.bi-single-slider-label {
+  min-height: 50px;
+}
+
+.bi-single-slider-normal {
+  min-height: 30px;
+}
diff --git a/src/addons/sliders/css/singleslider/singleslider.css b/src/addons/sliders/css/singleslider/singleslider.css
new file mode 100644
index 000000000..35dad715e
--- /dev/null
+++ b/src/addons/sliders/css/singleslider/singleslider.css
@@ -0,0 +1,3 @@
+.bi-single-slider {
+  min-height: 50px;
+}
diff --git a/src/addons/sliders/css/singleslider/slider/widget.css b/src/addons/sliders/css/singleslider/slider/widget.css
new file mode 100644
index 000000000..14a3812eb
--- /dev/null
+++ b/src/addons/sliders/css/singleslider/slider/widget.css
@@ -0,0 +1,9 @@
+.bi-single-slider-button .slider-button {
+  cursor: ew-resize;
+  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
+  -webkit-border-radius: 7px;
+  -moz-border-radius: 7px;
+  border-radius: 7px;
+}
diff --git a/src/addons/sliders/css/singleslider/track/widget.css b/src/addons/sliders/css/singleslider/track/widget.css
new file mode 100644
index 000000000..895db146a
--- /dev/null
+++ b/src/addons/sliders/css/singleslider/track/widget.css
@@ -0,0 +1,12 @@
+.bi-slider-track .gray-track {
+  background-color: rgba(153, 153, 153, 0.3);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#4d999999,endColorstr=#4d999999);
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
+.bi-slider-track .blue-track {
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
diff --git a/src/addons/sliders/js/intervalslider/intervalslider.js b/src/addons/sliders/js/intervalslider/intervalslider.js
new file mode 100644
index 000000000..ef6c980ae
--- /dev/null
+++ b/src/addons/sliders/js/intervalslider/intervalslider.js
@@ -0,0 +1,484 @@
+/**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSlider = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 30,
+        HEIGHT: 28,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSlider.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider bi-slider-track"
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSlider.superclass._init.apply(this, arguments);
+
+        var self = this;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        // this.backgroundTrack = BI.createWidget({
+        //     type: "bi.layout",
+        //     cls: "background-track",
+        //     height: c.TRACK_HEIGHT
+        // });
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelOne.element.hover(function () {
+            self.labelOne.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelOne.element.removeClass("bi-border");
+        });
+        this.labelOne.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueOne = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));//分成1000份
+            self._setLabelOnePosition(significantPercent);
+            self._setSliderOnePosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.sign_editor",
+            cls: "slider-editor-button",
+            errorText: "",
+            allowBlank: false,
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH,
+            validationChecker: function (v) {
+                return self._checkValidation(v);
+            }
+        });
+        this.labelTwo.element.hover(function () {
+            self.labelTwo.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.labelTwo.element.removeClass("bi-border");
+        });
+        this.labelTwo.on(BI.Editor.EVENT_CONFIRM, function () {
+            var v = BI.parseFloat(this.getValue());
+            self.valueTwo = v;
+            var percent = self._getPercentByValue(v);
+            var significantPercent = BI.parseFloat(percent.toFixed(1));
+            self._setLabelTwoPosition(significantPercent);
+            self._setSliderTwoPosition(significantPercent);
+            self._setBlueTrack();
+            self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelOne.setValue(v);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                self.labelTwo.setValue(v);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSlider.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 23,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 20,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 40});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _setErrorText: function () {
+        var errorText = BI.i18nText("BI-Please_Enter") + this.min + "-" + this.max + BI.i18nText("BI-Basic_De") + BI.i18nText("BI-Basic_Number");
+        this.labelOne.setErrorText(errorText);
+        this.labelTwo.setErrorText(errorText);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if(this.precision < 0){
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        }else{
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if(eIndex > -1){
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        }else{
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if(value <= this.min){
+            return this.min
+        }
+        if(value >= this.max){
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            this._setErrorText();
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSlider.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider", BI.IntervalSlider);
\ No newline at end of file
diff --git a/src/addons/sliders/js/intervalslider/intervalslider.label.js b/src/addons/sliders/js/intervalslider/intervalslider.label.js
new file mode 100644
index 000000000..3b639e9ed
--- /dev/null
+++ b/src/addons/sliders/js/intervalslider/intervalslider.label.js
@@ -0,0 +1,437 @@
+/**
+ * Created by zcf on 2016/9/26.
+ */
+BI.IntervalSliderLabel = BI.inherit(BI.Widget, {
+    _constant: {
+        EDITOR_WIDTH: 58,
+        EDITOR_R_GAP: 60,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
+        SLIDER_WIDTH_HALF: 15,
+        SLIDER_WIDTH: 30,
+        SLIDER_HEIGHT: 30,
+        TRACK_HEIGHT: 24
+    },
+
+    _defaultConfig: function () {
+        return BI.extend(BI.IntervalSliderLabel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: "bi-interval-slider-label bi-slider-track",
+            digit: false,
+            unit: ""
+        })
+    },
+
+    _init: function () {
+        BI.IntervalSliderLabel.superclass._init.apply(this, arguments);
+
+        var self = this, o = this.options;
+        var c = this._constant;
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.calculation = new BI.AccurateCalculationModel();
+
+        this.grayTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "gray-track",
+            height: 6
+        });
+        this.blueTrack = BI.createWidget({
+            type: "bi.layout",
+            cls: "blue-track bi-high-light-background",
+            height: 6
+        });
+        this.track = this._createTrackWrapper();
+
+        this.labelOne = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.labelTwo = BI.createWidget({
+            type: "bi.label",
+            height: c.HEIGHT,
+            width: c.EDITOR_WIDTH
+        });
+
+        this.sliderOne = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderOne.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelOnePosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelOne.setText(v + o.unit);
+                self.valueOne = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderOnePosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+
+        this.sliderTwo = BI.createWidget({
+            type: "bi.single_slider_button"
+        });
+        this.sliderTwo.element.draggable({
+            axis: "x",
+            containment: this.grayTrack.element,
+            scroll: false,
+            drag: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setLabelTwoPosition(significantPercent);
+                var v = self._getValueByPercent(significantPercent);
+                v = self._assertValue(v);
+                v = o.digit === false ? v : v.toFixed(o.digit);
+                self.labelTwo.setText(v + o.unit);
+                self.valueTwo = v;
+                self._setBlueTrack();
+            },
+            stop: function (e, ui) {
+                var percent = (ui.position.left) * 100 / (self._getGrayTrackLength());
+                var significantPercent = BI.parseFloat(percent.toFixed(1));
+                self._setSliderTwoPosition(significantPercent);
+                self.fireEvent(BI.IntervalSliderLabel.EVENT_CHANGE);
+            }
+        });
+        this._setVisible(false);
+
+        BI.createWidget({
+            type: "bi.absolute",
+            element: this,
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.track,
+                            width: "100%",
+                            height: c.TRACK_HEIGHT
+                        }]
+                    }],
+                    hgap: 7,
+                    height: c.TRACK_HEIGHT
+                },
+                top: 13,
+                left: 0,
+                width: "100%"
+            },
+                this._createLabelWrapper(),
+                this._createSliderWrapper()
+            ]
+        })
+    },
+
+    _createLabelWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.labelTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                rgap: c.EDITOR_R_GAP,
+                height: 70
+            },
+            top: 0,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createSliderWrapper: function () {
+        var c = this._constant;
+        return {
+            el: {
+                type: "bi.vertical",
+                items: [{
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderOne,
+                        top: 0,
+                        left: "0%"
+                    }]
+                }, {
+                    type: "bi.absolute",
+                    items: [{
+                        el: this.sliderTwo,
+                        top: 0,
+                        left: "100%"
+                    }]
+                }],
+                hgap: c.SLIDER_WIDTH_HALF,
+                height: c.SLIDER_HEIGHT
+            },
+            top: 10,
+            left: 0,
+            width: "100%"
+        }
+    },
+
+    _createTrackWrapper: function () {
+        return BI.createWidget({
+            type: "bi.absolute",
+            items: [{
+                el: {
+                    type: "bi.vertical",
+                    items: [{
+                        type: "bi.absolute",
+                        items: [{
+                            el: this.grayTrack,
+                            top: 0,
+                            left: 0,
+                            width: "100%"
+                        }, {
+                            el: this.blueTrack,
+                            top: 0,
+                            left: 0,
+                            width: "0%"
+                        }]
+                    }],
+                    hgap: 8,
+                    height: 8
+                },
+                top: 8,
+                left: 0,
+                width: "100%"
+            }]
+        })
+    },
+
+    _checkValidation: function (v) {
+        return BI.isNumeric(v) && !(BI.isNull(v) || v < this.min || v > this.max)
+    },
+
+    _checkOverlap: function () {
+        var labelOneLeft = this.labelOne.element[0].offsetLeft;
+        var labelTwoLeft = this.labelTwo.element[0].offsetLeft;
+        if (labelOneLeft <= labelTwoLeft) {
+            if ((labelTwoLeft - labelOneLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        } else {
+            if ((labelOneLeft - labelTwoLeft) < 90) {
+                this.labelTwo.element.css({"top": 30});
+            } else {
+                this.labelTwo.element.css({"top": 0});
+            }
+        }
+    },
+
+    _setLabelOnePosition: function (percent) {
+        this.labelOne.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setLabelTwoPosition: function (percent) {
+        this.labelTwo.element.css({"left": percent + "%"});
+        this._checkOverlap();
+    },
+
+    _setSliderOnePosition: function (percent) {
+        this.sliderOne.element.css({"left": percent + "%"});
+    },
+
+    _setSliderTwoPosition: function (percent) {
+        this.sliderTwo.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackLeft: function (percent) {
+        this.blueTrack.element.css({"left": percent + "%"});
+    },
+
+    _setBlueTrackWidth: function (percent) {
+        this.blueTrack.element.css({"width": percent + "%"});
+    },
+
+    _setBlueTrack: function () {
+        var percentOne = this._getPercentByValue(this.labelOne.getValue());
+        var percentTwo = this._getPercentByValue(this.labelTwo.getValue());
+        if (percentOne <= percentTwo) {
+            this._setBlueTrackLeft(percentOne);
+            this._setBlueTrackWidth(percentTwo - percentOne);
+        } else {
+            this._setBlueTrackLeft(percentTwo);
+            this._setBlueTrackWidth(percentOne - percentTwo);
+        }
+    },
+
+    _setAllPosition: function (one, two) {
+        this._setSliderOnePosition(one);
+        this._setLabelOnePosition(one);
+        this._setSliderTwoPosition(two);
+        this._setLabelTwoPosition(two);
+        this._setBlueTrack();
+    },
+
+    _setVisible: function (visible) {
+        this.sliderOne.setVisible(visible);
+        this.sliderTwo.setVisible(visible);
+        this.labelOne.setVisible(visible);
+        this.labelTwo.setVisible(visible);
+    },
+
+    _getGrayTrackLength: function () {
+        return this.grayTrack.element[0].scrollWidth
+    },
+
+    //其中取max-min后保留4为有效数字后的值的小数位数为最终value的精度
+    _getValueByPercent: function (percent) {//return (((max-min)*percent)/100+min)
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var mul = this.calculation.accurateMultiplication(sub, percent);
+        var div = this.calculation.accurateDivisionTenExponent(mul, 2);
+        if (this.precision < 0) {
+            var value = BI.parseFloat(this.calculation.accurateAddition(div, this.min));
+            var reduceValue = Math.round(this.calculation.accurateDivisionTenExponent(value, -this.precision));
+            return this.calculation.accurateMultiplication(reduceValue, Math.pow(10, -this.precision));
+        } else {
+            return BI.parseFloat(this.calculation.accurateAddition(div, this.min).toFixed(this.precision));
+        }
+    },
+
+    _getPercentByValue: function (v) {
+        return (v - this.min) * 100 / (this.max - this.min);
+    },
+
+    _setDraggableEnable: function (enable) {
+        if (enable) {
+            this.sliderOne.element.draggable("enable");
+            this.sliderTwo.element.draggable("enable")
+        } else {
+            this.sliderOne.element.draggable("disable");
+            this.sliderTwo.element.draggable("disable")
+        }
+    },
+
+    _getPrecision: function () {
+        //计算每一份值的精度(最大值和最小值的差值保留4为有效数字后的精度)
+        //如果差值的整数位数大于4,toPrecision(4)得到的是科学计数法123456 => 1.235e+5
+        //返回非负值: 保留的小数位数
+        //返回负值: 保留的10^n精度中的n
+        var sub = this.calculation.accurateSubtraction(this.max, this.min);
+        var pre = sub.toPrecision(4);
+        //科学计数法
+        var eIndex = pre.indexOf("e");
+        var arr = [];
+        if (eIndex > -1) {
+            arr = pre.split("e");
+            var decimalPartLength = BI.size(arr[0].split(".")[1]);
+            var sciencePartLength = BI.parseInt(arr[1].substring(1));
+            return decimalPartLength - sciencePartLength;
+        } else {
+            arr = pre.split(".");
+            return arr.length > 1 ? arr[1].length : 0;
+        }
+    },
+
+    _assertValue: function (value) {
+        if (value <= this.min) {
+            return this.min
+        }
+        if (value >= this.max) {
+            return this.max;
+        }
+        return value;
+    },
+
+    getValue: function () {
+        if (this.valueOne <= this.valueTwo) {
+            return {min: this.valueOne, max: this.valueTwo}
+        } else {
+            return {min: this.valueTwo, max: this.valueOne}
+        }
+    },
+
+    setMinAndMax: function (v) {
+        var minNumber = BI.parseFloat(v.min);
+        var maxNumber = BI.parseFloat(v.max);
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+            this.min = minNumber;
+            this.max = maxNumber;
+            this.valueOne = minNumber;
+            this.valueTwo = maxNumber;
+            this.precision = this._getPrecision();
+            this._setDraggableEnable(true);
+        }
+        if (maxNumber === minNumber) {
+            this._setDraggableEnable(false);
+        }
+    },
+
+    setValue: function (v) {
+        var o = this.options;
+        var valueOne = BI.parseFloat(v.min);
+        var valueTwo = BI.parseFloat(v.max);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        valueOne = o.digit === false ? valueOne : valueOne.toFixed(o.digit);
+        if (!isNaN(valueOne) && !isNaN(valueTwo)) {
+            if (this._checkValidation(valueOne)) {
+                this.valueOne = valueOne;
+            }
+            if (this._checkValidation(valueTwo)) {
+                this.valueTwo = valueTwo;
+            }
+            if (valueOne < this.min) {
+                this.valueOne = this.min;
+            }
+            if (valueTwo > this.max) {
+                this.valueTwo = this.max;
+            }
+        }
+    },
+
+    reset: function () {
+        this._setVisible(false);
+        this.enable = false;
+        this.valueOne = "";
+        this.valueTwo = "";
+        this.min = NaN;
+        this.max = NaN;
+        this._setBlueTrackWidth(0);
+    },
+
+    populate: function () {
+        if (!isNaN(this.min) && !isNaN(this.max)) {
+            this.enable = true;
+            this._setVisible(true);
+            if ((BI.isNumeric(this.valueOne) || BI.isNotEmptyString(this.valueOne)) && (BI.isNumeric(this.valueTwo) || BI.isNotEmptyString(this.valueTwo))) {
+                this.labelOne.setValue(this.valueOne);
+                this.labelTwo.setValue(this.valueTwo);
+                this._setAllPosition(this._getPercentByValue(this.valueOne), this._getPercentByValue(this.valueTwo));
+            } else {
+                this.labelOne.setValue(this.min);
+                this.labelTwo.setValue(this.max);
+                this._setAllPosition(0, 100)
+            }
+        }
+    }
+});
+BI.IntervalSliderLabel.EVENT_CHANGE = "EVENT_CHANGE";
+BI.shortcut("bi.interval_slider_label", BI.IntervalSliderLabel);
\ No newline at end of file
diff --git a/src/addons/sliders/js/intervalslider/model.accuratecalculation.js b/src/addons/sliders/js/intervalslider/model.accuratecalculation.js
new file mode 100644
index 000000000..6d50ad5f3
--- /dev/null
+++ b/src/addons/sliders/js/intervalslider/model.accuratecalculation.js
@@ -0,0 +1,222 @@
+/**
+ * Created by zcf on 2017/3/1.
+ * 万恶的IEEE-754
+ * 使用字符串精确计算含小数加法、减法、乘法和10的指数倍除法，支持负数
+ */
+BI.AccurateCalculationModel = BI.inherit(BI.Widget, {
+    _defaultConfig: function () {
+        return BI.extend(BI.AccurateCalculationModel.superclass._defaultConfig.apply(this, arguments), {
+            baseCls: ""
+        })
+    },
+
+    _init: function () {
+        BI.AccurateCalculationModel.superclass._init.apply(this, arguments);
+    },
+
+    _getMagnitude: function (n) {
+        var magnitude = "1";
+        for (var i = 0; i < n; i++) {
+            magnitude += "0";
+        }
+        return BI.parseInt(magnitude);
+    },
+
+    _formatDecimal: function (stringNumber1, stringNumber2) {
+        if (stringNumber1.numDecimalLength === stringNumber2.numDecimalLength) {
+            return;
+        }
+        var magnitudeDiff = stringNumber1.numDecimalLength - stringNumber2.numDecimalLength;
+        if (magnitudeDiff > 0) {
+            var needAddZero = stringNumber2
+        } else {
+            var needAddZero = stringNumber1;
+            magnitudeDiff = (0 - magnitudeDiff);
+        }
+        for (var i = 0; i < magnitudeDiff; i++) {
+            if (needAddZero.numDecimal === "0" && i === 0) {
+                continue
+            }
+            needAddZero.numDecimal += "0"
+        }
+    },
+
+    _stringNumberFactory: function (num) {
+        var strNum = num.toString();
+        var numStrArray = strNum.split(".");
+        var numInteger = numStrArray[0];
+        if (numStrArray.length === 1) {
+            var numDecimal = "0";
+            var numDecimalLength = 0;
+        } else {
+            var numDecimal = numStrArray[1];
+            var numDecimalLength = numStrArray[1].length;
+        }
+        return {
+            "numInteger": numInteger,
+            "numDecimal": numDecimal,
+            "numDecimalLength": numDecimalLength
+        }
+    },
+
+    _accurateSubtraction: function (num1, num2) {//num1-num2 && num1>num2
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) - BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+        var decimalMaxLength = getDecimalMaxLength(stringNumber1, stringNumber2);
+
+        if (BI.parseInt(stringNumber1.numDecimal) >= BI.parseInt(stringNumber2.numDecimal)) {
+            var decimalResultTemp = (BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        } else {//否则借位
+            integerResult--;
+            var borrow = this._getMagnitude(decimalMaxLength);
+            var decimalResultTemp = (borrow + BI.parseInt(stringNumber1.numDecimal) - BI.parseInt(stringNumber2.numDecimal)).toString();
+            var decimalResult = addZero(decimalResultTemp, decimalMaxLength);
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function getDecimalMaxLength(num1, num2) {
+            if (num1.numDecimal.length >= num2.numDecimal.length) {
+                return num1.numDecimal.length
+            }
+            return num2.numDecimal.length
+        }
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateAddition: function (num1, num2) {//加法结合律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) + BI.parseInt(stringNumber2.numInteger);
+        //小数部分
+        this._formatDecimal(stringNumber1, stringNumber2);
+
+        var decimalResult = (BI.parseInt(stringNumber1.numDecimal) + BI.parseInt(stringNumber2.numDecimal)).toString();
+
+        if (decimalResult !== "0") {
+            if (decimalResult.length <= stringNumber1.numDecimal.length) {
+                decimalResult = addZero(decimalResult, stringNumber1.numDecimal.length)
+            } else {
+                integerResult++;//进一
+                decimalResult = decimalResult.slice(1);
+            }
+        }
+        var result = integerResult + "." + decimalResult;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    _accurateMultiplication: function (num1, num2) {//乘法分配律
+        var stringNumber1 = this._stringNumberFactory(num1);
+        var stringNumber2 = this._stringNumberFactory(num2);
+        //整数部分计算
+        var integerResult = BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numInteger);
+        //num1的小数和num2的整数
+        var dec1Int2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numInteger), stringNumber1.numDecimalLength);
+        //num1的整数和num2的小数
+        var int1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numInteger) * BI.parseInt(stringNumber2.numDecimal), stringNumber2.numDecimalLength);
+        //小数*小数
+        var dec1dec2 = this._accurateDivisionTenExponent(BI.parseInt(stringNumber1.numDecimal) * BI.parseInt(stringNumber2.numDecimal), (stringNumber1.numDecimalLength + stringNumber2.numDecimalLength));
+
+        return this._accurateAddition(this._accurateAddition(this._accurateAddition(integerResult, dec1Int2), int1dec2), dec1dec2);
+    },
+
+    _accurateDivisionTenExponent: function (num, n) {// num/10^n && n>0
+        var stringNumber = this._stringNumberFactory(num);
+        if (stringNumber.numInteger.length > n) {
+            var integerResult = stringNumber.numInteger.slice(0, (stringNumber.numInteger.length - n));
+            var partDecimalResult = stringNumber.numInteger.slice(-n);
+        } else {
+            var integerResult = "0";
+            var partDecimalResult = addZero(stringNumber.numInteger, n);
+        }
+        var result = integerResult + "." + partDecimalResult + stringNumber.numDecimal;
+        return BI.parseFloat(result);
+
+        function addZero(resultTemp, length) {
+            var diff = length - resultTemp.length;
+            for (var i = 0; i < diff; i++) {
+                resultTemp = "0" + resultTemp;
+            }
+            return resultTemp
+        }
+    },
+
+    accurateSubtraction: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(num1, num2)
+            }
+            return -this._accurateSubtraction(num2, num1)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this._accurateAddition(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateAddition(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            if (num1 >= num2) {
+                return this._accurateSubtraction(-num2, -num1)
+            }
+            return this._accurateSubtraction(-num1, -num2)
+        }
+    },
+
+    accurateAddition: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateAddition(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return this.accurateSubtraction(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return this.accurateSubtraction(num2, -num1)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return -this._accurateAddition(-num1, -num2)
+        }
+    },
+
+    accurateMultiplication: function (num1, num2) {
+        if (num1 >= 0 && num2 >= 0) {
+            return this._accurateMultiplication(num1, num2)
+        }
+        if (num1 >= 0 && num2 < 0) {
+            return -this._accurateMultiplication(num1, -num2)
+        }
+        if (num1 < 0 && num2 >= 0) {
+            return -this._accurateMultiplication(-num1, num2)
+        }
+        if (num1 < 0 && num2 < 0) {
+            return this._accurateMultiplication(-num1, -num2)
+        }
+    },
+
+    accurateDivisionTenExponent: function (num1, n) {
+        if (num1 >= 0) {
+            return this._accurateDivisionTenExponent(num1, n);
+        }
+        return -this._accurateDivisionTenExponent(-num1, n);
+    }
+});
\ No newline at end of file
diff --git a/src/addons/sliders/singleslider/button/iconbutton.slider.js b/src/addons/sliders/js/singleslider/button/iconbutton.slider.js
similarity index 100%
rename from src/addons/sliders/singleslider/button/iconbutton.slider.js
rename to src/addons/sliders/js/singleslider/button/iconbutton.slider.js
diff --git a/src/addons/sliders/singleslider/singleslider.js b/src/addons/sliders/js/singleslider/singleslider.js
similarity index 92%
rename from src/addons/sliders/singleslider/singleslider.js
rename to src/addons/sliders/js/singleslider/singleslider.js
index 8dfbc19de..e54245d07 100644
--- a/src/addons/sliders/singleslider/singleslider.js
+++ b/src/addons/sliders/js/singleslider/singleslider.js
@@ -14,14 +14,13 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
     _defaultConfig: function () {
         return BI.extend(BI.SingleSlider.superclass._defaultConfig.apply(this, arguments), {
             baseCls: "bi-single-slider bi-slider-track",
-            digit: ""
+            digit: false
         });
     },
     _init: function () {
         BI.SingleSlider.superclass._init.apply(this, arguments);
 
         var self = this, o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
         var c = this._constant;
         this.enable = false;
         this.value = "";
@@ -51,7 +50,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 self._setBlueTrack(significantPercent);
                 self._setLabelPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -89,7 +88,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 var significantPercent = BI.parseFloat(percent.toFixed(1));
                 self._setAllPosition(significantPercent);
                 var v = self._getValueByPercent(significantPercent);
-                v = digitExist ? v.toFixed(o.digit) : v;
+                v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -97,7 +96,7 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
         });
         this.label = BI.createWidget({
             type: "bi.sign_editor",
-            cls: "slider-editor-button bi-border",
+            cls: "slider-editor-button",
             errorText: "",
             height: c.HEIGHT,
             width: c.EDITOR_WIDTH - 2,
@@ -109,12 +108,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                 return self._checkValidation(v);
             }
         });
+        this.label.element.hover(function () {
+            self.label.element.removeClass("bi-border").addClass("bi-border");
+        }, function () {
+            self.label.element.removeClass("bi-border");
+        });
         this.label.on(BI.SignEditor.EVENT_CONFIRM, function () {
             var v = BI.parseFloat(this.getValue());
             var percent = self._getPercentByValue(v);
             var significantPercent = BI.parseFloat(percent.toFixed(1));
             self._setAllPosition(significantPercent);
-            v = digitExist ? v.toFixed(o.digit) : v;
             this.setValue(v);
             self.value = v;
             self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
@@ -137,12 +140,12 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 23,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 20,
                 left: 0,
                 width: "100%"
             }, {
@@ -238,17 +241,16 @@ BI.SingleSlider = BI.inherit(BI.Widget, {
 
     setValue: function (v) {
         var o = this.options;
-        var digitExist = (o.digit === "") ? false : true;
-        var value = BI.parseFloat(v);
-        value = digitExist ? value.toFixed(o.digit) : value;
-        if ((!isNaN(value))) {
-            if (this._checkValidation(value)) {
-                this.value = value;
+        v = BI.parseFloat(v);
+        v = o.digit === false ? v : v.toFixed(o.digit);
+        if ((!isNaN(v))) {
+            if (this._checkValidation(v)) {
+                this.value = v;
             }
-            if (value > this.max) {
+            if (v > this.max) {
                 this.value = this.max;
             }
-            if (value < this.min) {
+            if (v < this.min) {
                 this.value = this.min;
             }
         }
diff --git a/src/addons/sliders/singleslider/singleslider.label.js b/src/addons/sliders/js/singleslider/singleslider.label.js
similarity index 97%
rename from src/addons/sliders/singleslider/singleslider.label.js
rename to src/addons/sliders/js/singleslider/singleslider.label.js
index 472cb1a66..53b79eec6 100644
--- a/src/addons/sliders/singleslider/singleslider.label.js
+++ b/src/addons/sliders/js/singleslider/singleslider.label.js
@@ -4,8 +4,8 @@
 BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     _constant: {
         EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
-        HEIGHT: 28,
+        EDITOR_HEIGHT: 20,
+        HEIGHT: 20,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
         SLIDER_HEIGHT: 30,
@@ -13,7 +13,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
     },
     _defaultConfig: function () {
         return BI.extend(BI.SingleSliderLabel.superclass._defaultConfig.apply(this, arguments), {
-            baseCls: "bi-single-slider bi-slider-track",
+            baseCls: "bi-single-slider-label bi-slider-track",
             digit: "",
             unit: ""
         });
@@ -120,12 +120,12 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     hgap: 7,
                     height: c.TRACK_HEIGHT
                 },
-                top: 33,
+                top: 13,
                 left: 0,
                 width: "100%"
             }, {
                 el: sliderVertical,
-                top: 30,
+                top: 10,
                 left: 0,
                 width: "100%"
             }, {
@@ -138,7 +138,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Widget, {
                     rgap: c.EDITOR_WIDTH,
                     height: c.EDITOR_HEIGHT
                 },
-                top: 10,
+                top: 0,
                 left: 0,
                 width: "100%"
             }]
diff --git a/src/addons/sliders/singleslider/singleslider.normal.js b/src/addons/sliders/js/singleslider/singleslider.normal.js
similarity index 96%
rename from src/addons/sliders/singleslider/singleslider.normal.js
rename to src/addons/sliders/js/singleslider/singleslider.normal.js
index 769089f77..f5dc3b8bc 100644
--- a/src/addons/sliders/singleslider/singleslider.normal.js
+++ b/src/addons/sliders/js/singleslider/singleslider.normal.js
@@ -5,8 +5,6 @@
 BI.SingleSliderNormal = BI.inherit(BI.Widget, {
 
     _constant: {
-        EDITOR_WIDTH: 90,
-        EDITOR_HEIGHT: 30,
         HEIGHT: 28,
         SLIDER_WIDTH_HALF: 15,
         SLIDER_WIDTH: 30,
@@ -15,12 +13,12 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
     },
 
     props: {
-        baseCls: "bi-single-button bi-button-track",
+        baseCls: "bi-single-slider-normal bi-slider-track",
         minMax: {
             min: 0,
             max: 100
         },
-        color: "#3f8ce8"
+        // color: "#3f8ce8"
     },
 
     render: function () {
@@ -123,7 +121,9 @@ BI.SingleSliderNormal = BI.inherit(BI.Widget, {
             cls: "blue-track",
             height: 6
         });
-        this.blueTrack.element.css({"background-color": this.options.color});
+        if (this.options.color) {
+            this.blueTrack.element.css({"background-color": this.options.color});
+        }
 
         return {
             type: "bi.absolute",
diff --git a/src/addons/sliders/less/intervalslider/intervalslider.label.less b/src/addons/sliders/less/intervalslider/intervalslider.label.less
new file mode 100644
index 000000000..fa4882c00
--- /dev/null
+++ b/src/addons/sliders/less/intervalslider/intervalslider.label.less
@@ -0,0 +1,3 @@
+.bi-interval-slider-label {
+  min-height: 50px;
+}
\ No newline at end of file
diff --git a/src/addons/sliders/less/intervalslider/intervalslider.less b/src/addons/sliders/less/intervalslider/intervalslider.less
new file mode 100644
index 000000000..c7645f75f
--- /dev/null
+++ b/src/addons/sliders/less/intervalslider/intervalslider.less
@@ -0,0 +1,3 @@
+.bi-interval-slider {
+  min-height: 70px;
+}
\ No newline at end of file
diff --git a/src/addons/sliders/less/singleslider/singlelider.label.less b/src/addons/sliders/less/singleslider/singlelider.label.less
new file mode 100644
index 000000000..265437293
--- /dev/null
+++ b/src/addons/sliders/less/singleslider/singlelider.label.less
@@ -0,0 +1,3 @@
+.bi-single-slider-label {
+  min-height: 50px;
+}
\ No newline at end of file
diff --git a/src/addons/sliders/less/singleslider/singlelider.normal.less b/src/addons/sliders/less/singleslider/singlelider.normal.less
new file mode 100644
index 000000000..8a7e4a655
--- /dev/null
+++ b/src/addons/sliders/less/singleslider/singlelider.normal.less
@@ -0,0 +1,3 @@
+.bi-single-slider-normal {
+  min-height: 30px;
+}
\ No newline at end of file
diff --git a/src/addons/sliders/less/singleslider/singleslider.less b/src/addons/sliders/less/singleslider/singleslider.less
index 45a8785bb..9274d028b 100644
--- a/src/addons/sliders/less/singleslider/singleslider.less
+++ b/src/addons/sliders/less/singleslider/singleslider.less
@@ -1,6 +1,3 @@
-@import "../../../../less/bibase";
-
 .bi-single-slider {
-  & .slider-editor-button {
-  }
-}
+  min-height: 50px;
+}
\ No newline at end of file
diff --git a/src/case/tree/tree.display.js b/src/case/tree/tree.display.js
index 030a9041d..41cf91acf 100644
--- a/src/case/tree/tree.display.js
+++ b/src/case/tree/tree.display.js
@@ -48,10 +48,10 @@ BI.DisplayTree = BI.inherit(BI.TreeView, {
         nodes = BI.DisplayTree.superclass._dealWidthNodes.apply(this, arguments);
         var self = this, o = this.options;
         BI.each(nodes, function (i, node) {
-            if (node.count > 0) {
-                node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
-            } else {
-                node.text = node.value;
+            if (node.text == null) {
+                if (node.count > 0) {
+                    node.text = node.value + "(" + BI.i18nText("BI-Basic_Altogether") + node.count + BI.i18nText("BI-Basic_Count") + ")";
+                }
             }
         });
         return nodes;