diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index e69f00380..825e18a41 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -103,7 +103,10 @@ class CoursesController < ApplicationController
 
   def course_videos
     videos = @course.videos
+    @video_module = @course.course_modules.find_by(module_type: "video")
     if params[:category_id].present? && params[:category_id].to_i != 0
+      @category = @video_module&.course_second_categories.find_by(id: params[:category_id])
+      tip_exception("子目录id有误") if !@category.present?
       videos = videos.where(course_videos: {course_second_category_id: params[:category_id].to_i})
     end
 
diff --git a/app/views/courses/course_videos.json.jbuilder b/app/views/courses/course_videos.json.jbuilder
index 807ff92bb..db4f4006c 100644
--- a/app/views/courses/course_videos.json.jbuilder
+++ b/app/views/courses/course_videos.json.jbuilder
@@ -1,3 +1,8 @@
 json.count @count
 json.videos @videos, partial: 'users/videos/video', as: :video
-json.course_id @course.id
\ No newline at end of file
+json.course_id @course.id
+if @category.present?
+  json.category_id @category.id
+  json.category_name @category.name
+end
+json.course_module_id @video_module&.id
\ No newline at end of file