diff --git a/changelog.md b/changelog.md
index 251859dd5..1c0dec991 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,7 @@
 # 更新日志
+2.0(2020-1)
+- 修复单值系滑块滑动松手后发两次EVENT_CHANGE的问题
+
 2.0(2019-12)
 - 修复多层级单选下拉树主动设置container后搜索面板弹出问题
 - bi.search_editor支持搜索中间含有空格的字符串
diff --git a/src/widget/datetimepane/card.static.datetimepane.js b/src/widget/datetimepane/card.static.datetimepane.js
index c94f7592d..f17fe9104 100644
--- a/src/widget/datetimepane/card.static.datetimepane.js
+++ b/src/widget/datetimepane/card.static.datetimepane.js
@@ -36,8 +36,7 @@ BI.StaticDateTimePaneCard = BI.inherit(BI.Widget, {
             }
             self.selectedTime = BI.extend(self.selectedTime, {
                 year: value.year,
-                month: value.month,
-                day: day
+                month: value.month
             });
             day !== 0 && (self.selectedTime.day = day);
             self.calendar.setSelect(BI.Calendar.getPageByDateJSON(self.selectedTime));
diff --git a/src/widget/singleslider/singleslider.js b/src/widget/singleslider/singleslider.js
index c3c8e2c6e..1a1f1aabe 100644
--- a/src/widget/singleslider/singleslider.js
+++ b/src/widget/singleslider/singleslider.js
@@ -52,7 +52,7 @@ BI.SingleSlider = BI.inherit(BI.Single, {
         });
         // 这边其实是有问题的，拖拽区域是个圆，在圆的边缘拖拽后放开，这边计算出来的蓝条宽度实际上会比放开时长一点或者短一点
         sliderVertical.element.click(function (e) {
-            if (self.enable && self.isEnabled()) {
+            if (self.enable && self.isEnabled() && sliderVertical.element[0] === e.originalEvent.target) {
                 var offset = e.clientX - self.element.offset().left - c.SLIDER_WIDTH_HALF;
                 var trackLength = self.track.element[0].scrollWidth - c.TRACK_GAP;
                 var percent = 0;
@@ -71,6 +71,7 @@ BI.SingleSlider = BI.inherit(BI.Single, {
                 v = o.digit === false ? v : v.toFixed(o.digit);
                 self.label.setValue(v);
                 self.value = v;
+                console.log("click");
                 self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
             }
         });
@@ -173,6 +174,7 @@ BI.SingleSlider = BI.inherit(BI.Single, {
             }
             widget.element.removeClass("dragging");
             mouseMoveTracker.releaseMouseMoves();
+            console.log("drag");
             self.fireEvent(BI.SingleSlider.EVENT_CHANGE);
         }, window);
         widget.element.on("mousedown", function (event) {
diff --git a/src/widget/singleslider/singleslider.label.js b/src/widget/singleslider/singleslider.label.js
index 034d22f14..fce46f013 100644
--- a/src/widget/singleslider/singleslider.label.js
+++ b/src/widget/singleslider/singleslider.label.js
@@ -54,7 +54,7 @@ BI.SingleSliderLabel = BI.inherit(BI.Single, {
             height: c.SLIDER_HEIGHT
         });
         sliderVertical.element.click(function (e) {
-            if (self.enable && self.isEnabled()) {
+            if (self.enable && self.isEnabled() && sliderVertical.element[0] === e.originalEvent.target) {
                 var offset = e.clientX - self.element.offset().left - c.SLIDER_WIDTH_HALF;
                 var trackLength = self.track.element[0].scrollWidth - c.TRACK_GAP;
                 var percent = 0;
diff --git a/src/widget/singleslider/singleslider.normal.js b/src/widget/singleslider/singleslider.normal.js
index 347906fae..2ba74c8b9 100644
--- a/src/widget/singleslider/singleslider.normal.js
+++ b/src/widget/singleslider/singleslider.normal.js
@@ -42,7 +42,7 @@ BI.SingleSliderNormal = BI.inherit(BI.Single, {
             height: c.SLIDER_HEIGHT
         });
         sliderVertical.element.click(function (e) {
-            if (self.enable && self.isEnabled()) {
+            if (self.enable && self.isEnabled() && sliderVertical.element[0] === e.originalEvent.target) {
                 var offset = e.clientX - self.element.offset().left - c.SLIDER_WIDTH_HALF;
                 var trackLength = self.track.element[0].scrollWidth - c.TRACK_GAP;
                 var percent = 0;