diff --git a/app/views/competitions/enroll.html.erb b/app/views/competitions/enroll.html.erb
index d5dde153..4afb4ceb 100644
--- a/app/views/competitions/enroll.html.erb
+++ b/app/views/competitions/enroll.html.erb
@@ -161,7 +161,7 @@
       var htmlvalue = '<div class="task-popup" style="width:480px;"><div class="task-popup-title clearfix">提示</div>'+
         '<div class="task-popup-content"><p class="task-popup-text-center font-16">您需要去完善您的个人资料，才能使用此功能</p></div>' +
         '<div class="task-popup-submit clearfix"><a href="javascript:void(0);" onclick="hideModal();" class="task-btn fl">取消</a>'+
-        '<a href="/my/account?need_profile_completed=true" class="task-btn task-btn-orange fr" target="_blank" onclick="hideModal();">立即完善</a></div></div>';
+        '<a href="/my/account?need_profile_completed=true" class="task-btn task-btn-orange fr" onclick="hideModal();">立即完善</a></div></div>';
       pop_box_new(htmlvalue, 480, 205);
     }
 
diff --git a/app/views/layouts/_logined_header.html.erb b/app/views/layouts/_logined_header.html.erb
index 6b9cde10..e0bb5701 100644
--- a/app/views/layouts/_logined_header.html.erb
+++ b/app/views/layouts/_logined_header.html.erb
@@ -85,7 +85,13 @@
           <li><%= link_to '新建项目', new_project_path() %></li>
         </ul>
         <ul class="fl with50 edu-txt-center">
-          <li><%= link_to "加入课堂", join_private_courses_path, :remote => true %></li>
+          <li>
+            <% if User.current.profile_completed? %>
+              <%= link_to "加入课堂", join_private_courses_path, :remote => true %>
+            <% else %>
+              <%= link_to "加入课堂", 'javascript:void(0)', onclick: 'showUserProfileModal()' %>
+            <% end %>
+          </li>
 <!--          <li><%#= link_to "加入项目", applied_join_project_path, :remote => true %></li>-->
         </ul>
       </div>
@@ -154,4 +160,12 @@
         <% end %>
     });
 
+
+    function showUserProfileModal() {
+      var htmlvalue = '<div class="task-popup" style="width:480px;"><div class="task-popup-title clearfix">提示</div>'+
+        '<div class="task-popup-content"><p class="task-popup-text-center font-16">您需要去完善您的个人资料，才能使用此功能</p></div>' +
+        '<div class="task-popup-submit clearfix"><a href="javascript:void(0);" onclick="hideModal();" class="task-btn fl">取消</a>'+
+        '<a href="/my/account?need_profile_completed=true" class="task-btn task-btn-orange fr" onclick="hideModal();">立即完善</a></div></div>';
+      pop_box_new(htmlvalue, 480, 205);
+    }
 </script>
\ No newline at end of file