Pull request #2315: 无JIRA任务 优化代码

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

* commit 'b71da414ebb73cc55f0a4a0e5fa132fb637ef882':
  优化代码

src/case/ztree/0.treeview.js

@@ -55,7 +55,7 @@ BI.TreeView = BI.inherit(BI.Pane, {
         });
         BI.createWidget({
             type: "bi.default",
-            element: this.element,
+            element: this,
             items: [this.tree]
         });
     },

src/widget/numberinterval/numberinterval.js

@@ -66,7 +66,7 @@ BI.NumberInterval = BI.inherit(BI.Single, {
         });
         BI.createWidget({
             type: "bi.absolute",
-            element: this.smallEditor.element,
+            element: this.smallEditor,
             items: [{
                 el: this.smallTip,
                 top: 0,
@@ -104,7 +104,7 @@ BI.NumberInterval = BI.inherit(BI.Single, {
         });
         BI.createWidget({
             type: "bi.absolute",
-            element: this.bigEditor.element,
+            element: this.bigEditor,
             items: [{
                 el: this.bigTip,
                 top: 0,