diff --git a/app/views/courses/_set_join.js.erb b/app/views/courses/_set_join.js.erb
index 0542f2a0c..f1a9c5cfd 100644
--- a/app/views/courses/_set_join.js.erb
+++ b/app/views/courses/_set_join.js.erb
@@ -12,6 +12,7 @@
 		alert("课程已过期\n请联系课程管理员重启课程。(在配置课程处)");
 	<% elsif @state == 3 %>
         alert("您已经加入了课程");
+        window.location.href= "http://"+"<%= Setting.host_name%>"+"/courses/" + "<%= course.id%>"
     <% elsif @state == 4 %>
         alert("您加入的课程不存在");
     <% elsif @state == 5 %>