diff --git a/app/services/create_watch_video_service.rb b/app/services/create_watch_video_service.rb
index 0f1b32814..5a3813571 100644
--- a/app/services/create_watch_video_service.rb
+++ b/app/services/create_watch_video_service.rb
@@ -33,12 +33,10 @@ class CreateWatchVideoService < ApplicationService
           if watch_course_video.present?
             watch_course_video.total_duration = watch_course_video.watch_video_histories.sum(:total_duration)
             watch_course_video.end_at = current_time
-            if !watch_course_video.is_finished && watch_course_video.watch_duration < params[:watch_duration]
+            if !watch_course_video.is_finished
               # 更新课程视频的时长及是否看完状态
-              watch_course_video.watch_duration = params[:watch_duration]
-              if params[:ed].present?
-                watch_course_video.is_finished = watch_course_video.total_duration >= watch_course_video.duration
-              end
+              watch_course_video.watch_duration = params[:watch_duration] if watch_course_video.watch_duration < params[:watch_duration]
+              watch_course_video.is_finished = watch_course_video.total_duration >= watch_course_video.duration if params[:ed].present?
             end
             watch_course_video.save!
           end