diff --git a/changelog.md b/changelog.md
index 171704388c..fe1e30a8ab 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,6 @@
 # 更新日志
 2.0(2020-04)
+- 复选下拉框新增值的时候外抛事件
 - 空格不再编码成&nbsp
 - 支持文本区域水印可滚动
 
diff --git a/src/widget/multiselect/multiselect.insert.combo.js b/src/widget/multiselect/multiselect.insert.combo.js
index 457c4fadf4..7fdc71c35f 100644
--- a/src/widget/multiselect/multiselect.insert.combo.js
+++ b/src/widget/multiselect/multiselect.insert.combo.js
@@ -74,7 +74,9 @@ BI.MultiSelectInsertCombo = BI.inherit(BI.Single, {
         this.trigger.on(BI.MultiSelectInsertTrigger.EVENT_ADD_ITEM, function () {
             if (!this.getSearcher().hasMatched()) {
                 self._addItem(assertShowValue);
+                var addedValue = this.getSearcher().getKeyword();
                 self._stopEditing();
+                self.fireEvent(BI.MultiSelectInsertCombo.EVENT_ADD_ITEM, addedValue);
             }
         });
         this.trigger.on(BI.MultiSelectInsertTrigger.EVENT_SEARCHING, function (keywords) {
@@ -456,5 +458,6 @@ BI.MultiSelectInsertCombo.EVENT_STOP = "EVENT_STOP";
 BI.MultiSelectInsertCombo.EVENT_SEARCHING = "EVENT_SEARCHING";
 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
diff --git a/src/widget/multiselect/multiselect.insert.combo.nobar.js b/src/widget/multiselect/multiselect.insert.combo.nobar.js
index 0e39286b18..cb7ac6c125 100644
--- a/src/widget/multiselect/multiselect.insert.combo.nobar.js
+++ b/src/widget/multiselect/multiselect.insert.combo.nobar.js
@@ -69,7 +69,9 @@ BI.MultiSelectInsertNoBarCombo = BI.inherit(BI.Single, {
         this.trigger.on(BI.MultiSelectInsertTrigger.EVENT_ADD_ITEM, function () {
             if (!this.getSearcher().hasMatched()) {
                 self._addItem(assertShowValue);
+                var addedValue = this.getSearcher().getKeyword();
                 self._stopEditing();
+                self.fireEvent(BI.MultiSelectInsertNoBarCombo.EVENT_ADD_ITEM, addedValue);
             }
         });
         this.trigger.on(BI.MultiSelectInsertTrigger.EVENT_SEARCHING, function (keywords) {
@@ -448,5 +450,6 @@ 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