diff --git a/demo/js/config/widget.js b/demo/js/config/widget.js
index d2e1b1d5b..e48282492 100644
--- a/demo/js/config/widget.js
+++ b/demo/js/config/widget.js
@@ -192,7 +192,7 @@ Demo.WIDGET_CONFIG = [{
     value: "demo.number_interval"
 }, {
     id: 420,
-    text: "滚动sliders",
+    text: "数值滑块sliders",
     value: "demo.slider"
 }, {
     pId: 4,
@@ -202,4 +202,4 @@ Demo.WIDGET_CONFIG = [{
     pId: 414,
     text: "bi.collapse",
     value: "demo.collapse"
-}];
\ No newline at end of file
+}];
diff --git a/src/widget/intervalslider/intervalslider.js b/src/widget/intervalslider/intervalslider.js
index 71351dd71..59b1e1676 100644
--- a/src/widget/intervalslider/intervalslider.js
+++ b/src/widget/intervalslider/intervalslider.js
@@ -26,7 +26,7 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
 
     beforeMount: function () {
         const { value, min, max } = this.options;
-        this.setMinAndMax({
+        this._setMinAndMax({
             min,
             max,
         });
@@ -260,12 +260,12 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
                         items: [
                             {
                                 el: this.sliderOne,
-                                top: 1,
+                                top: 0,
                                 bottom: 0,
                                 left: 0
                             }, {
                                 el: this.sliderTwo,
-                                top: 1,
+                                top: 0,
                                 bottom: 0,
                                 left: "100%"
                             }
@@ -487,22 +487,23 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
 
     },
 
-    setMinAndMax: function (v) {
+    _setMinAndMax: function (v) {
         var minNumber = BI.parseFloat(v.min);
         var maxNumber = BI.parseFloat(v.max);
-        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber )) {
+        if ((!isNaN(minNumber)) && (!isNaN(maxNumber)) && (maxNumber >= minNumber)) {
             this.min = minNumber;
             this.max = maxNumber;
             this.valueOne = minNumber;
             this.valueTwo = maxNumber;
             this.precision = this._getPrecision();
-            this.setEnable(true);
-        }
-        if (maxNumber === minNumber) {
-            this.setEnable(false);
         }
     },
 
+    setMinAndMax: function (v) {
+        this._setMinAndMax(v);
+        this.setEnable(v.min <= v.max);
+    },
+
     setValue: function (v) {
         var o = this.options;
         var valueOne = BI.parseFloat(v.min);