fix:修改帮助中心入口进入标签

src/modules/root/Header.jsx

@@ -2,7 +2,7 @@
  * @Author: 吴文洁
  * @Date: 2019-09-10 18:26:03
  * @LastEditors: fusanqiasng
- * @LastEditTime: 2021-06-19 14:20:42
+ * @LastEditTime: 2021-06-22 15:00:53
  * @Description:
  */
 import React, { useRef, useContext, useEffect, useState } from 'react';
@@ -345,15 +345,11 @@ function Header(props) {
                   <span className='text'>分享学院</span>
                 </span>
               </div>
-              <div
-                className='help'
-                onClick={() => {
-                  window.open(helpCenterUrl);
-                }}>
-                <span className='help-btn'>
+              <div className='help'>
+                <a href={helpCenterUrl} target='_blank' className='help-btn'>
                   <span className='icon iconfont tool-tip-right'>&#xe8ed;</span>
                   <span className='text'>帮助中心</span>
-                </span>
+                </a>
               </div>
             </div>
             <Dropdown overlay={userMenu()} arrow>