diff --git a/src/widget/multiselect/multiselect.insert.combo.nobar.js b/src/widget/multiselect/multiselect.insert.combo.nobar.js
index 226cc5260..fe1293a5c 100644
--- a/src/widget/multiselect/multiselect.insert.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.insert.combo.nobar.js
@@ -401,7 +401,7 @@ BI.MultiSelectInsertNoBarCombo = BI.inherit(BI.Single, {
         callback();
         function adjust () {
             if (self.wants2Quit === true) {
-                self.fireEvent(BI.MultiSelectInsertNoBarCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.MultiSelectInsertNoBarCombo.EVENT_CONFIRM);
                 self.wants2Quit = false;
             }
             self.requesting = false;
diff --git a/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js b/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
index def624c1b..cb7fddf9a 100644
--- a/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
+++ b/src/widget/searchmultitextvaluecombo/multitextvalue.combo.search.js
@@ -333,7 +333,7 @@ BI.SearchMultiTextValueCombo = BI.inherit(BI.Single, {
             self._updateAllValue();
             self._checkError();
             if (self.wants2Quit === true) {
-                self.fireEvent(BI.SearchMultiTextValueCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.SearchMultiTextValueCombo.EVENT_CONFIRM);
                 self.wants2Quit = false;
             }
             self.requesting = false;
diff --git a/src/widget/singleselect/singleselect.combo.js b/src/widget/singleselect/singleselect.combo.js
index 00f3ec366..729b666ef 100644
--- a/src/widget/singleselect/singleselect.combo.js
+++ b/src/widget/singleselect/singleselect.combo.js
@@ -64,6 +64,7 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
             self.fireEvent(BI.SingleSelectCombo.EVENT_STOP);
         });
         this.trigger.on(BI.SingleSelectTrigger.EVENT_SEARCHING, function () {
+            self._dataChange = true;
             self.fireEvent(BI.SingleSelectCombo.EVENT_SEARCHING);
         });
 
@@ -71,6 +72,7 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
             self.storeValue = this.getValue();
             assertShowValue();
             self._defaultState();
+            self._dataChange = true;
         });
         this.trigger.on(BI.SingleSelectTrigger.EVENT_COUNTER_CLICK, function () {
             if (!self.combo.isViewVisible()) {
@@ -95,6 +97,7 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
                 listeners: [{
                     eventName: BI.SingleSelectPopupView.EVENT_CHANGE,
                     action: function () {
+                        self._dataChange = true;
                         self.storeValue = this.getValue();
                         self._adjust(function () {
                             assertShowValue();
@@ -120,6 +123,9 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
         });
 
         this.combo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () {
+            if (!this.isViewVisible()) {
+                self._dataChange = false;// 标记数据是否发生变化
+            }
             this.setValue(self.storeValue);
             BI.nextTick(function () {
                 self.populate();
@@ -133,7 +139,7 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
             if (self.requesting === true) {
                 self.wants2Quit = true;
             } else {
-                self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM);
             }
         });
 
@@ -173,7 +179,8 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
         this.combo.hideView();
     },
 
-    _assertValue: function (val) {},
+    _assertValue: function (val) {
+    },
 
     _makeMap: function (values) {
         return BI.makeObject(values || []);
@@ -220,7 +227,7 @@ BI.SingleSelectCombo = BI.inherit(BI.Single, {
 
         function adjust () {
             if (self.wants2Quit === true) {
-                self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.SingleSelectCombo.EVENT_CONFIRM);
                 self.wants2Quit = false;
             }
             self.requesting = false;
diff --git a/src/widget/singleselect/singleselect.insert.combo.js b/src/widget/singleselect/singleselect.insert.combo.js
index d94f97197..fc5d7db7a 100644
--- a/src/widget/singleselect/singleselect.insert.combo.js
+++ b/src/widget/singleselect/singleselect.insert.combo.js
@@ -75,6 +75,7 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
             self._defaultState();
         });
         this.trigger.on(BI.SingleSelectTrigger.EVENT_SEARCHING, function () {
+            self._dataChange = true;
             self.fireEvent(BI.SingleSelectInsertCombo.EVENT_SEARCHING);
         });
 
@@ -82,6 +83,7 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
             self.storeValue = this.getValue();
             assertShowValue();
             self._defaultState();
+            self._dataChange = true;
         });
         this.trigger.on(BI.SingleSelectTrigger.EVENT_COUNTER_CLICK, function () {
             if (!self.combo.isViewVisible()) {
@@ -106,6 +108,7 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
                 listeners: [{
                     eventName: BI.SingleSelectPopupView.EVENT_CHANGE,
                     action: function () {
+                        self._dataChange = true;
                         self.storeValue = this.getValue();
                         self._adjust(function () {
                             assertShowValue();
@@ -131,6 +134,9 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
         });
 
         this.combo.on(BI.Combo.EVENT_BEFORE_POPUPVIEW, function () {
+            if (!this.isViewVisible()) {
+                self._dataChange = false;// 标记数据是否发生变化
+            }
             this.setValue(self.storeValue);
             BI.nextTick(function () {
                 self.populate();
@@ -144,7 +150,7 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
             if (self.requesting === true) {
                 self.wants2Quit = true;
             } else {
-                self.fireEvent(BI.SingleSelectInsertCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.SingleSelectInsertCombo.EVENT_CONFIRM);
             }
         });
 
@@ -198,7 +204,7 @@ BI.SingleSelectInsertCombo = BI.inherit(BI.Single, {
 
         function adjust () {
             if (self.wants2Quit === true) {
-                self.fireEvent(BI.SingleSelectInsertCombo.EVENT_CONFIRM);
+                self._dataChange && self.fireEvent(BI.SingleSelectInsertCombo.EVENT_CONFIRM);
                 self.wants2Quit = false;
             }
             self.requesting = false;
@@ -237,4 +243,4 @@ BI.SingleSelectInsertCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 BI.SingleSelectInsertCombo.EVENT_CLICK_ITEM = "EVENT_CLICK_ITEM";
 BI.SingleSelectInsertCombo.EVENT_CONFIRM = "EVENT_CONFIRM";
 
-BI.shortcut("bi.single_select_insert_combo", BI.SingleSelectInsertCombo);
\ No newline at end of file
+BI.shortcut("bi.single_select_insert_combo", BI.SingleSelectInsertCombo);