bug fix

src/view/Manage/Model/index.jsx

@@ -241,7 +241,7 @@ class Model extends React.Component {
   onTreeSelect = (key, offset=null) => {
 
     this.setState({ catalogId: key, keyword: '', offset, currentModelState: (offset!==null)?'':this.state.currentModelState }, () => {
-      if (!key || key==='') {
+      if (!key) {
         this.setState({ tableData: [], filterTableData: [] });
       } else {
         this.onTableChange();