diff --git a/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/index.js b/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/index.js
index fac58fe86..88e5a8bde 100644
--- a/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/index.js
+++ b/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/index.js
@@ -4,7 +4,7 @@
  * @Github: 
  * @Date: 2019-11-20 10:35:40
  * @LastEditors  : tangjiang
- * @LastEditTime : 2019-12-30 19:20:50
+ * @LastEditTime : 2019-12-30 19:57:46
  */
 import './index.scss';
 // import 'katex/dist/katex.css';
@@ -61,7 +61,7 @@ class EditTab extends React.Component {
       top: 500,
       bottom: 20,
       offsetTop: 0,
-      knowledges: ['HTML', 'CSS', 'JS', 'REACT']
+      knowledges: []
     }
   }