diff --git a/app/models/user.rb b/app/models/user.rb
index 5de3e263c..0e7bb41f8 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -622,7 +622,7 @@ class User < ApplicationRecord
   end
 
   def validate_ID_number
-    if ID_number.present? && ID_number =~ VALID_NUMBER_REGEX
+    if id_number.present? && id_number =~ VALID_NUMBER_REGEX
       raise("身份证格式不对")
     end
   end