diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index 73ab065ea..9f6b6aabd 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -904,7 +904,11 @@ function regexDeadLine()
 //新建、修改课程明码显示
 $(function(){
     $("#psw_btn").click(function() {
-        alert("密码: "+$("#course_course_password").val());
+        if($("#new_course_course_password").length > 0) {
+            alert("密码: "+$("#new_course_course_password").val());
+        } else if($("#edit_course_course_password").length > 0){
+            alert("密码: "+$("#edit_course_course_password").val());
+        }
     });
 });