diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 542c33652..7a135b031 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -891,7 +891,7 @@ class CoursesController < ApplicationController
         # end
 
         # 创建学生身份
-        if params[:student].present?
+        if params[:student].present? && params[:student].to_i == 1
           existing_student = CourseMember.find_by(course_id: course.id, role: %i[STUDENT], user_id: current_user.id)
           if existing_student.present?
             # 如果在该课堂已经存在学生身份，且邀请码为分班邀请码，则将其直接加入分班
@@ -911,7 +911,7 @@ class CoursesController < ApplicationController
         end
 
         # 创建教师身份
-        if params[:professor].present? || params[:assistant_professor].present?
+        if (params[:professor].present? && params[:professor].to_i == 1) || (params[:assistant_professor].present? && params[:assistant_professor].to_i == 1)
           teacher_already_exist = current_user.teacher_of_course_non_active? course
           unless teacher_already_exist
             existing_course_message = CourseMessage.find_by(course_id: course.id, course_message_id: current_user.id,
@@ -920,8 +920,8 @@ class CoursesController < ApplicationController
               course_message = CourseMessage.new(course_id: course.id, user_id: course.tea_id, status: 0,
                                                  course_message_id: current_user.id, course_message_type: "JoinCourseRequest",
                                                  viewed: false)
-              course_message.content = 2 if params[:professor].present?
-              course_message.content = 3 if params[:assistant_professor].present?
+              course_message.content = 2 if params[:professor].present? && params[:professor].to_i == 1
+              course_message.content = 3 if params[:assistant_professor].present? && params[:assistant_professor].to_i == 1
 
               course_message.save!