Revert "去掉学生认证入口"

This reverts commit 49974ec0.

@@ -14,14 +14,14 @@
                     <div class="iconfont more-icon tap-hightlight">&#xe604;</div>
                 </a>
                 {{#unless students}}
-                    {{!--<a class="students-entry" href="{{verifyUrl}}">学生认证</a>--}}
+                    <a class="students-entry" href="{{verifyUrl}}">学生认证</a>
                 {{/unless}}
             {{^}}
                 <div class="user-info">
                     <a class="login-btn" href="{{signinUrl}}">
                         登录/注册
                     </a>
-                    {{!--<a class="students-entry" href="{{verifyUrl}}">学生认证</a>--}}
+                    <a class="students-entry" href="{{verifyUrl}}">学生认证</a>
                 </div>
             {{/isLogin}}
         </div>