diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 595e76d4a..4a0bc7a71 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -686,7 +686,7 @@ class CoursesController < ApplicationController
           course_student.update_attributes!(is_active: 1)
         else
           # 学生身份不存在则创建
-          CourseMember.create!(user_id: current_user.id, role: %i[STUDENT], course_id: @course.id)
+          CourseMember.create!(user_id: current_user.id, role: 4, course_id: @course.id)
           CourseAddStudentCreateWorksJob.perform_later(@course.id, [current_user.id])
         end
         course_member.update_attributes!(is_active: 0)