diff --git a/app/views/courses/join.js.erb b/app/views/courses/join.js.erb
index e2de705fe..8e6f8ce20 100644
--- a/app/views/courses/join.js.erb
+++ b/app/views/courses/join.js.erb
@@ -4,7 +4,7 @@ $("#join_in_course_header").html("<%= escape_javascript(join_in_course_header(@c
 <% if @state %>
 <% if @state == 0 %>
 alert("加入成功");
-hideModal($("#popbox02"));
+hidden_join_course_form();
 $("#try_join_course_link").replaceWith("<a href='<%=url_for(:controller => 'homework_common', :action => 'index',:course=>@course.id, :host=>Setting.host_course)%>' target='_blank' class='blue_n_btn fr mt20'>提交作品</a>");
 window.location.href= "http://"+"<%= Setting.host_name%>"+"/courses/" + "<%= @course.id%>"
 <% elsif @state == 1 %>
@@ -19,11 +19,11 @@ alert("您加入的课程不存在");
 <% elsif @state == 5 %>
 alert("您还未登录");
 <% elsif @state == 6 %>
-alert("申请成功，请等待审核")
-hideModal($("#popbox02"));
+alert("申请成功，请等待审核");
+hidden_join_course_form();
 <% elsif @state == 7%>
-  alert("您已经发送过申请了，请耐心等待")
-  hideModal($("#popbox02"));
+  alert("您已经发送过申请了，请耐心等待");
+hidden_join_course_form();
 <% else %>
 alert("未知错误，请稍后再试");
 <% end %>