diff --git a/changelog.md b/changelog.md
index 97d0ec1fe..88bac7e89 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-07)
+- 复选下拉树和下拉列表添加showView和hideVIew方法
 - number_editor支持自动检测数值与范围是否合法
 - 修复了颜色选择器设置值为null的时候,trigger和popup表现不一致的问题
 
diff --git a/src/component/treevaluechooser/combo.listtreevaluechooser.js b/src/component/treevaluechooser/combo.listtreevaluechooser.js
index 7fa35c6cf..b4d09b3d1 100644
--- a/src/component/treevaluechooser/combo.listtreevaluechooser.js
+++ b/src/component/treevaluechooser/combo.listtreevaluechooser.js
@@ -76,6 +76,14 @@ BI.ListTreeValueChooserInsertCombo = BI.inherit(BI.AbstractListTreeValueChooser,
         });
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.combo.setValue(v);
     },
@@ -97,4 +105,4 @@ BI.ListTreeValueChooserInsertCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.ListTreeValueChooserInsertCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.ListTreeValueChooserInsertCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.ListTreeValueChooserInsertCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
-BI.shortcut("bi.list_tree_value_chooser_insert_combo", BI.ListTreeValueChooserInsertCombo);
\ No newline at end of file
+BI.shortcut("bi.list_tree_value_chooser_insert_combo", BI.ListTreeValueChooserInsertCombo);
diff --git a/src/component/treevaluechooser/combo.treevaluechooser.insert.js b/src/component/treevaluechooser/combo.treevaluechooser.insert.js
index 5ef51011c..8359d2fab 100644
--- a/src/component/treevaluechooser/combo.treevaluechooser.insert.js
+++ b/src/component/treevaluechooser/combo.treevaluechooser.insert.js
@@ -75,6 +75,14 @@ BI.TreeValueChooserInsertCombo = BI.inherit(BI.AbstractTreeValueChooser, {
         });
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.combo.setValue(v);
     },
@@ -96,4 +104,4 @@ BI.TreeValueChooserInsertCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.TreeValueChooserInsertCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.TreeValueChooserInsertCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.TreeValueChooserInsertCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
-BI.shortcut("bi.tree_value_chooser_insert_combo", BI.TreeValueChooserInsertCombo);
\ No newline at end of file
+BI.shortcut("bi.tree_value_chooser_insert_combo", BI.TreeValueChooserInsertCombo);
diff --git a/src/component/treevaluechooser/combo.treevaluechooser.js b/src/component/treevaluechooser/combo.treevaluechooser.js
index 99ccfbbf7..1fa1b3d27 100644
--- a/src/component/treevaluechooser/combo.treevaluechooser.js
+++ b/src/component/treevaluechooser/combo.treevaluechooser.js
@@ -75,6 +75,14 @@ BI.TreeValueChooserCombo = BI.inherit(BI.AbstractTreeValueChooser, {
         });
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.combo.setValue(v);
     },
@@ -96,4 +104,4 @@ BI.TreeValueChooserCombo.EVENT_BLUR = "EVENT_BLUR";
 BI.TreeValueChooserCombo.EVENT_STOP = "EVENT_STOP";
 BI.TreeValueChooserCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.TreeValueChooserCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
-BI.shortcut("bi.tree_value_chooser_combo", BI.TreeValueChooserCombo);
\ No newline at end of file
+BI.shortcut("bi.tree_value_chooser_combo", BI.TreeValueChooserCombo);
diff --git a/src/widget/multiselect/multiselect.combo.js b/src/widget/multiselect/multiselect.combo.js
index c591fcef4..e73d36e1c 100644
--- a/src/widget/multiselect/multiselect.combo.js
+++ b/src/widget/multiselect/multiselect.combo.js
@@ -425,6 +425,14 @@ BI.MultiSelectCombo = BI.inherit(BI.Single, {
         this.combo.populate.apply(this.combo, arguments);
     },
 
+    showView:function (){
+        this.combo.showView();
+    },
+
+    hideView:function (){
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue = v || {};
         this._assertValue(this.storeValue);
@@ -454,4 +462,4 @@ BI.MultiSelectCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.MultiSelectCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.MultiSelectCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 
-BI.shortcut("bi.multi_select_combo", BI.MultiSelectCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_select_combo", BI.MultiSelectCombo);
diff --git a/src/widget/multiselect/multiselect.combo.nobar.js b/src/widget/multiselect/multiselect.combo.nobar.js
index 41fb79faf..3c3da7379 100644
--- a/src/widget/multiselect/multiselect.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.combo.nobar.js
@@ -418,6 +418,14 @@ BI.MultiSelectNoBarCombo = BI.inherit(BI.Single, {
         this.combo.populate.apply(this.combo, arguments);
     },
 
+    showView:function (){
+        this.combo.showView();
+    },
+
+    hideView:function (){
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue = {
             type: BI.Selection.Multi,
@@ -449,4 +457,4 @@ BI.MultiSelectNoBarCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.MultiSelectNoBarCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.MultiSelectNoBarCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 
-BI.shortcut("bi.multi_select_no_bar_combo", BI.MultiSelectNoBarCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_select_no_bar_combo", BI.MultiSelectNoBarCombo);
diff --git a/src/widget/multiselect/multiselect.insert.combo.js b/src/widget/multiselect/multiselect.insert.combo.js
index eb54fc2c8..bbc9a61d8 100644
--- a/src/widget/multiselect/multiselect.insert.combo.js
+++ b/src/widget/multiselect/multiselect.insert.combo.js
@@ -443,6 +443,14 @@ BI.MultiSelectInsertCombo = BI.inherit(BI.Single, {
         this.combo.populate.apply(this.combo, arguments);
     },
 
+    showView:function (){
+        this.combo.showView();
+    },
+
+    hideView:function (){
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue = v || {};
         this._assertValue(this.storeValue);
@@ -473,4 +481,4 @@ BI.MultiSelectInsertCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.MultiSelectInsertCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.MultiSelectInsertCombo.EVENT_ADD_ITEM = "EVENT_ADD_ITEM";
 
-BI.shortcut("bi.multi_select_insert_combo", BI.MultiSelectInsertCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_select_insert_combo", BI.MultiSelectInsertCombo);
diff --git a/src/widget/multiselect/multiselect.insert.combo.nobar.js b/src/widget/multiselect/multiselect.insert.combo.nobar.js
index ce1522820..daf32aa20 100644
--- a/src/widget/multiselect/multiselect.insert.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.insert.combo.nobar.js
@@ -438,6 +438,14 @@ BI.MultiSelectInsertNoBarCombo = BI.inherit(BI.Single, {
         this.combo.populate.apply(this.combo, arguments);
     },
 
+    showView:function (){
+        this.combo.showView();
+    },
+
+    hideView:function (){
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue = {
             type: BI.Selection.Multi,
@@ -465,4 +473,4 @@ BI.extend(BI.MultiSelectInsertNoBarCombo, {
 BI.MultiSelectInsertNoBarCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.MultiSelectInsertNoBarCombo.EVENT_ADD_ITEM = "EVENT_ADD_ITEM";
 
-BI.shortcut("bi.multi_select_insert_no_bar_combo", BI.MultiSelectInsertNoBarCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_select_insert_no_bar_combo", BI.MultiSelectInsertNoBarCombo);
diff --git a/src/widget/multitree/multi.tree.combo.js b/src/widget/multitree/multi.tree.combo.js
index e431d918d..3561e28fa 100644
--- a/src/widget/multitree/multi.tree.combo.js
+++ b/src/widget/multitree/multi.tree.combo.js
@@ -311,6 +311,14 @@ BI.MultiTreeCombo = BI.inherit(BI.Single, {
         this.combo.hideView();
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue.value = v || {};
         this.combo.setValue({
@@ -338,4 +346,4 @@ BI.MultiTreeCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.MultiTreeCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.MultiTreeCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
 
-BI.shortcut("bi.multi_tree_combo", BI.MultiTreeCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_tree_combo", BI.MultiTreeCombo);
diff --git a/src/widget/multitree/multi.tree.insert.combo.js b/src/widget/multitree/multi.tree.insert.combo.js
index b44176039..ce0449dd5 100644
--- a/src/widget/multitree/multi.tree.insert.combo.js
+++ b/src/widget/multitree/multi.tree.insert.combo.js
@@ -326,6 +326,14 @@ BI.MultiTreeInsertCombo = BI.inherit(BI.Single, {
         this.combo.hideView();
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue.value = v || {};
         this.combo.setValue({
@@ -353,4 +361,4 @@ BI.MultiTreeInsertCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.MultiTreeInsertCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.MultiTreeInsertCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
 
-BI.shortcut("bi.multi_tree_insert_combo", BI.MultiTreeInsertCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_tree_insert_combo", BI.MultiTreeInsertCombo);
diff --git a/src/widget/multitree/multi.tree.list.combo.js b/src/widget/multitree/multi.tree.list.combo.js
index 72ba8966d..cbbf67286 100644
--- a/src/widget/multitree/multi.tree.list.combo.js
+++ b/src/widget/multitree/multi.tree.list.combo.js
@@ -350,6 +350,14 @@ BI.MultiTreeListCombo = BI.inherit(BI.Single, {
         this.combo.hideView();
     },
 
+    showView: function () {
+        this.combo.showView();
+    },
+
+    hideView: function () {
+        this.combo.hideView();
+    },
+
     setValue: function (v) {
         this.storeValue.value = v || [];
         this.combo.setValue({
@@ -377,4 +385,4 @@ BI.MultiTreeListCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.MultiTreeListCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 BI.MultiTreeListCombo.EVENT_BEFORE_POPUPVIEW = "EVENT_BEFORE_POPUPVIEW";
 
-BI.shortcut("bi.multi_tree_list_combo", BI.MultiTreeListCombo);
\ No newline at end of file
+BI.shortcut("bi.multi_tree_list_combo", BI.MultiTreeListCombo);