diff --git a/lib/tasks/get_video_data.rake b/lib/tasks/get_video_data.rake
index 2a009790e..f6f85c7d5 100644
--- a/lib/tasks/get_video_data.rake
+++ b/lib/tasks/get_video_data.rake
@@ -62,7 +62,7 @@ namespace :video do
   end
 
   task :get_play_url => :environment do
-    Video.all.each do |video|
+    Video.where(play_url: nil).each do |video|
       result = AliyunVod::Service.get_play_info(video.uuid) rescue nil
       if result.present? && result["PlayInfoList"]["PlayInfo"].present?
         puts result