diff --git a/app/views/shixuns/_settings_edit.html.erb b/app/views/shixuns/_settings_edit.html.erb
index 9124e27c9..6d3741c93 100644
--- a/app/views/shixuns/_settings_edit.html.erb
+++ b/app/views/shixuns/_settings_edit.html.erb
@@ -88,7 +88,7 @@
             event.stopPropagation();
         });
 
-        $("body").click(function(event){
+        $(".task-pm-content").click(function(event){
             $(".course_list_ul").hide();
             event.stopPropagation();
         });