diff --git a/app/views/courses/_set_join.js.erb b/app/views/courses/_set_join.js.erb
index f880ce945..0542f2a0c 100644
--- a/app/views/courses/_set_join.js.erb
+++ b/app/views/courses/_set_join.js.erb
@@ -1,11 +1,11 @@
 <% if object_id%>
     $("#join_in_course_header").html("<%= escape_javascript(join_in_course_header(course, user)) %>");
-    $("#try_join_course_link").replaceWith("<a href='<%=url_for(:controller => 'homework_common', :action => 'index',:course=>course.id, :host=>Setting.host_course)%>' target='_blank' class='blue_n_btn fr mt20'>提交作品</a>");
 <% end %>
 <% if @state %>
 	<% if @state == 0 %>
 		alert("加入成功");
         hideModal($("#popbox02"));
+        $("#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>");
 	<% elsif @state == 1 %>
 		alert("密码错误");
 	<% elsif @state == 2 %>