Pull request #2084: JSY-8716 fix:解决报错

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

* commit 'd448a3fb49e1bafe63f73a87b1676c2f87f7cc1e':
  无jira任务，解决报错
  Revert "JSY-8352 fix：DownListGroupItem中文字高亮"
  JSY-8352 fix：DownListGroupItem中文字高亮

src/core/controller/controller.popover.js

@@ -138,7 +138,7 @@ BI.PopoverController = BI.inherit(BI.Controller, {
     },
 
     remove: function (name) {
-        if (!this._check(name)) {
+        if (!this.has(name)) {
             return this;
         }
         this.floatContainer[name].destroy();