fix 视频标题

app/controllers/courses_controller.rb

@@ -1520,7 +1520,7 @@ class CoursesController < ApplicationController
       end
     end
 
-    @videos = @videos.select("course_videos.id, videos.user_id, videos.title, IFNULL(hisotries.time,0) AS total_time, IFNULL(hisotries.num,0) AS people_num")
+    @videos = @videos.select("course_videos.id, videos.user_id, videos.title AS video_title, IFNULL(hisotries.time,0) AS total_time, IFNULL(hisotries.num,0) AS people_num")
     
     @videos = paginate @videos
   end

app/views/courses/watch_video_histories.json.jbuilder

@@ -1,7 +1,7 @@
 json.videos do
   json.array! @videos do |v|
     json.id v.id
-    json.title v.title
+    json.title v['video_title']
     json.user_name v.user&.real_name
     json.people_num v['people_num']
     json.total_time v['total_time'].round(0)