diff --git a/lib/tasks/delete_error_myshixun.rake b/lib/tasks/delete_error_myshixun.rake
index 269b4536..b9165a73 100644
--- a/lib/tasks/delete_error_myshixun.rake
+++ b/lib/tasks/delete_error_myshixun.rake
@@ -2,8 +2,11 @@ namespace :myshixun do
   desc "delete gpid is no"
   task :delete_error_myshixuns => :environment do
     begin
-      myshixuns = Myshixun.where(gpid: nil)
-      myshixuns.delete_all
+      myshixuns = Myshixun.where("gpid is null and created_at > '#{Time.now.beginning_of_day}'")
+      myshixuns.find_each do |m|
+        m.destroy
+        puts("#myshixun_id: #{m.id}")
+      end
     rescue Exception => e
       puts e
     end