diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 230e7f387..b40321dd3 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -924,10 +924,10 @@ class CoursesController < ApplicationController
 
               course_message.save!
 
-              role = course_message.content == 2 ? '7' : '9' # 7:老师 9:助教
+              role = course_message.content == 2 ? '7' : '9' # 7:助教 9:教师
               ApplyTeacherRoleJoinCourseNotifyJob.perform_later(current_user.id, course.id, role)
               teacher_role = 1
-              message = "#{course_message.content == 2 ? '教师' : '助教'}申请已提交，请等待审核"
+              message = "#{course_message.content == 2 ? '助教' : '教师'}申请已提交，请等待审核"
             end
           end
         end