diff --git a/changelog.md b/changelog.md
index d480587b13..c23791f5bb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-09)
+- 修复区间滑块setEnable(false)滑块不灰化的问题
 - 修复同步复选下拉框系列setValue所有值后触发器不显示全选的问题
 - BI.Tree.traversal方法迭代函数增加父节点参数
 
diff --git a/src/component/allvaluechooser/abstract.allvaluechooser.js b/src/component/allvaluechooser/abstract.allvaluechooser.js
index 332a1737dd..1f30e8de8b 100644
--- a/src/component/allvaluechooser/abstract.allvaluechooser.js
+++ b/src/component/allvaluechooser/abstract.allvaluechooser.js
@@ -82,5 +82,20 @@ BI.AbstractAllValueChooser = BI.inherit(BI.Widget, {
                 hasNext: false
             });
         }
-    }
+    },
+
+    _assertValue: function (v) {
+        v = v || {};
+        var value = v;
+        if (BI.isNotNull(this.items)) {
+            var isAllSelect = BI.difference(BI.map(this.items, "value"), v.value).length === 0;
+            if (isAllSelect) {
+                value = {
+                    type: BI.Selection.All,
+                    value: [],
+                };
+            }
+        }
+        return value;
+    },
 });
\ No newline at end of file
diff --git a/src/component/allvaluechooser/combo.allvaluechooser.js b/src/component/allvaluechooser/combo.allvaluechooser.js
index 3b7306a6ad..8c170867af 100644
--- a/src/component/allvaluechooser/combo.allvaluechooser.js
+++ b/src/component/allvaluechooser/combo.allvaluechooser.js
@@ -33,10 +33,10 @@ BI.AllValueChooserCombo = BI.inherit(BI.AbstractAllValueChooser, {
             valueFormatter: BI.bind(this._valueFormatter, this),
             width: o.width,
             height: o.height,
-            value: {
+            value: this._assertValue({
                 type: BI.Selection.Multi,
                 value: o.value || []
-            }
+            })
         });
 
         this.combo.on(BI.MultiSelectCombo.EVENT_CONFIRM, function () {
@@ -45,10 +45,10 @@ BI.AllValueChooserCombo = BI.inherit(BI.AbstractAllValueChooser, {
     },
 
     setValue: function (v) {
-        this.combo.setValue({
+        this.combo.setValue(this._assertValue({
             type: BI.Selection.Multi,
             value: v || []
-        });
+        }));
     },
 
     getValue: function () {
diff --git a/src/widget/intervalslider/intervalslider.js b/src/widget/intervalslider/intervalslider.js
index e8b09fcc41..b7dc379b58 100644
--- a/src/widget/intervalslider/intervalslider.js
+++ b/src/widget/intervalslider/intervalslider.js
@@ -421,11 +421,6 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
         return (v - this.min) * 100 / (this.max - this.min);
     },
 
-    _setDraggableEnable: function (enable) {
-        this.sliderOne.setEnable(enable);
-        this.sliderTwo.setEnable(enable);
-    },
-
     _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
@@ -483,10 +478,10 @@ BI.IntervalSlider = BI.inherit(BI.Single, {
             this.valueOne = minNumber;
             this.valueTwo = maxNumber;
             this.precision = this._getPrecision();
-            this._setDraggableEnable(true);
+            this.setEnable(true);
         }
         if (maxNumber === minNumber) {
-            this._setDraggableEnable(false);
+            this.setEnable(false);
         }
     },