diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index bc764d034..125b2b97e 100644
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -61,7 +61,7 @@ class AdminController < ApplicationController
     if params[:syllabus_id] && params[:course_id]
       course = Course.where("id = #{params[:course_id].to_i}").first
       unless course.nil?
-        course.update_attribute('syllabus_id', params[:syllabus_id].to_i)
+        course.update_column('syllabus_id', params[:syllabus_id].to_i)
         @flag = true
       end
     end
@@ -124,11 +124,11 @@ class AdminController < ApplicationController
     end
   end
 
-  #修改课程名称
+  #修改班级名称
   def update_course_name
     @course = Course.where("id = #{params[:course_id].to_i}").first
     unless @course.nil?
-      @course.update_attribute("name", params[:name])
+      @course.update_column("name", params[:name])
       respond_to do |format|
         format.js
       end