资源外链不显示的问题

5 years ago · 466eccd0d0
parent ee7b0f87ea
commit 466eccd0d0
1 changed files with 1 additions and 1 deletions
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@ -105,7 +105,7 @@ class CoursesController < ApplicationController
  def course_videos
    course_videos = @course.course_videos
    course_videos = course_videos.joins("
-                    JOIN videos ON course_videos.video_id = videos.id
+                    LEFT JOIN videos ON course_videos.video_id = videos.id
                    LEFT JOIN (
                      SELECT watch_course_videos.course_video_id,
                             SUM(watch_course_videos.total_duration) AS total_duration,