diff --git a/public/react/src/modules/developer/components/knowledge/index.js b/public/react/src/modules/developer/components/knowledge/index.js
index 63d99b762..17cf11624 100644
--- a/public/react/src/modules/developer/components/knowledge/index.js
+++ b/public/react/src/modules/developer/components/knowledge/index.js
@@ -4,7 +4,7 @@
  * @Github: 
  * @Date: 2019-12-30 13:51:19
  * @LastEditors  : tangjiang
- * @LastEditTime : 2019-12-30 16:54:30
+ * @LastEditTime : 2019-12-30 18:02:20
  */
 import './index.scss';
 import React, { useState } from 'react';
@@ -33,6 +33,8 @@ function KnowLedge (props) {
   }
   const handleSelectChange = (value) => {
     console.log(value);
+    const _result = selectOptions.filter(item => item !== value);
+    setSelectOptions(_result);
   }
 
   // 渲染下拉列表
@@ -43,8 +45,6 @@ function KnowLedge (props) {
         placeholder="请选择"
         style={{ width: '100%' }}
         onChange={handleSelectChange}
-        autoClearSearchValue={true}
-        maxTagCount={0}
       >
         {renderOptions(options)}
       </Select>
@@ -54,9 +54,6 @@ function KnowLedge (props) {
   return (
     <div className="knowledge-select-area">
       { renderSelect(selectOptions, selectValue) }
-      <div className="knowledge-select-result">
-        
-      </div>
     </div>
   );
 }
diff --git a/public/react/src/modules/developer/components/knowledge/index.scss b/public/react/src/modules/developer/components/knowledge/index.scss
index e69de29bb..a38f42c70 100644
--- a/public/react/src/modules/developer/components/knowledge/index.scss
+++ b/public/react/src/modules/developer/components/knowledge/index.scss
@@ -0,0 +1,5 @@
+.knowledge-select-area{
+  .ant-select-selection__rendered{
+    margin-bottom: 0 !important;
+  }
+}
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 4672a3be7..4c5d89dce 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 16:42:36
+ * @LastEditTime : 2019-12-30 17:53:18
  */
 import './index.scss';
 // import 'katex/dist/katex.css';