Merge branch 'feature/students' into release/4.9.1.0

@@ -14,11 +14,9 @@
                 {{/if}}
                 <div class="iconfont more-icon tap-hightlight">&#xe604;</div>
             </a>
-            {{^students}}
+            {{#unless students}}
                 <a class="students-entry" href="{{verifyUrl}}">学生认证</a>
-            {{/students}}
-
-            {{/isLogin}}
+            {{/unless}}
             {{^isLogin}}
             <div class="user-info">
                 <a class="login-btn" href="{{signinUrl}}">