chore： 优化

src/widget/multitree/multi.tree.combo.js

@@ -80,7 +80,8 @@ BI.MultiTreeCombo = BI.inherit(BI.Single, {
                         };
                         self.trigger.getSearcher().setState(val);
                         self.numberCounter.setButtonChecked(val);
-                        self.fireEvent(BI.MultiTreeCombo.EVENT_CLICK_ITEM, self.combo.getValue());
+                        self.storeValue.value = val;
+                        self.fireEvent(BI.MultiTreeCombo.EVENT_CLICK_ITEM, self.getValue());
                     }
                 }, {
                     eventName: BI.MultiTreePopup.EVENT_CLICK_CONFIRM,

src/widget/multitree/multi.tree.insert.combo.js

@@ -97,7 +97,8 @@ BI.MultiTreeInsertCombo = BI.inherit(BI.Single, {
                         };
                         self.trigger.getSearcher().setState(val);
                         self.numberCounter.setButtonChecked(val);
-                        self.fireEvent(BI.MultiTreeInsertCombo.EVENT_CLICK_ITEM, self.combo.getValue());
+                        self.storeValue.value = val;
+                        self.fireEvent(BI.MultiTreeInsertCombo.EVENT_CLICK_ITEM, self.getValue());
                     }
                 }, {
                     eventName: BI.MultiTreePopup.EVENT_CLICK_CONFIRM,

src/widget/multitree/multi.tree.list.combo.js

@@ -114,7 +114,8 @@ BI.MultiTreeListCombo = BI.inherit(BI.Single, {
                         };
                         self.trigger.getSearcher().setState(val);
                         self.numberCounter.setButtonChecked(val);
-                        self.fireEvent(BI.MultiTreeListCombo.EVENT_CLICK_ITEM, self.combo.getValue());
+                        self.storeValue.value = val;
+                        self.fireEvent(BI.MultiTreeListCombo.EVENT_CLICK_ITEM, self.getValue());
                     }
                 }, {
                     eventName: BI.MultiTreePopup.EVENT_CLICK_CONFIRM,