Pull request #1927: 无JIRA任务 bugfix

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit '1cc623ef98bdc27d0ba62a25b70ef654db2187d5':
  bugfix

src/core/4.widget.js

@@ -574,11 +574,12 @@
             if (this.__async === true || this.__asking === true) {
                 return;
             }
-            this._isMounted = false;
+            // this._isMounted = false;
             // this.purgeListeners();
             this.empty();
             this._initCurrent();
             this._init();
+            this._mount();
             // this._initRef();
         },