@ -56,8 +56,8 @@
},
removeNodeList: function (tId) {
this.nodeLists[tId].loadWidget.destroy();
this.nodeLists[tId].loadWidget = null;
this.nodeLists[tId] && this.nodeLists[tId].loadWidget.destroy();
this.nodeLists[tId] && (this.nodeLists[tId].loadWidget = null);
delete this.nodeLists[tId];
if (BI.size(this.nodeLists) === 0) {
this.clear();