修改地址栏 undefined 情况

public/react/src/modules/developer/components/myMonacoEditor/index.js

@@ -4,7 +4,7 @@
  * @Github: 
  * @Date: 2019-11-27 15:02:52
  * @LastEditors: tangjiang
- * @LastEditTime: 2019-12-20 19:06:48
+ * @LastEditTime: 2019-12-20 20:07:11
  */
 import './index.scss';
 import React, { useState, useRef, useEffect } from 'react';
@@ -160,7 +160,7 @@ function MyMonacoEditor (props, ref) {
           </Tooltip>
           <Tooltip
             placement="bottom"
-            title="重置"
+            title="恢复"
           >
             <MyIcon 
               className="flex_normal" 

public/react/src/modules/developer/recordDetail/index.js

@@ -4,7 +4,7 @@
  * @Github: 
  * @Date: 2019-12-04 08:36:21
  * @LastEditors: tangjiang
- * @LastEditTime: 2019-12-20 19:29:39
+ * @LastEditTime: 2019-12-20 20:05:57
  */
 import './index.scss';
 import React, { useState, useEffect } from 'react';
@@ -67,7 +67,7 @@ function RecordDetail (props) {
           <span>{detail.name || 'test'}</span>
         </div>
         <div className={'study_quit'}>
-          <Button>
+          <Button style={{ visibility: identifier ? 'visible' : 'hidden'}}>
             <Link to={`/myproblems/${identifier}`}>返回该题</Link>
           </Button>
         </div>
@@ -98,6 +98,7 @@ function RecordDetail (props) {
         <div className="detail_ctx_header">
           <h2 className="header_h2">提交内容</h2>
           <Button
+            style={{ visibility: identifier ? 'visible' : 'hidden'}}
             className={'header_btn'} 
             type="primary"
           >