删除错误的数据

db/migrate/20190729122213_delete_myshixun_games_for_users.rb

@@ -4,7 +4,7 @@ class DeleteMyshixunGamesForUsers < ActiveRecord::Migration[5.2]
     myshixuns.find_each do |m|
       if m.games.count == m.games.select{|g| g.status == 3}.count
         puts("#######login: #{User.find(m.user_id).login}")
-        myshixuns.destroy!
+        m.destroy!
       end
     end
   end