diff --git a/app/models/hack_user_lastest_code.rb b/app/models/hack_user_lastest_code.rb
index 1d3e20f87..28cc62db4 100644
--- a/app/models/hack_user_lastest_code.rb
+++ b/app/models/hack_user_lastest_code.rb
@@ -8,7 +8,7 @@ class HackUserLastestCode < ApplicationRecord
   belongs_to :user
   has_many :hack_user_codes, dependent: :destroy
   has_one :hack_user_debug
-  scope :mine, ->(author_id){ find_by(user_id: author_id) }
+  scope :mine, ->(author_id){ where(user_id: author_id) }
   scope :passed, -> {where(status: 1)}
 
 end