迁移报错

db/migrate/20190729080935_modify_login_for_users.rb

@@ -2,7 +2,7 @@ class ModifyLoginForUsers < ActiveRecord::Migration[5.2]
   def change
     users = User.where("created_on > '2019-07-26 19:00:00'")
     users.find_each do |use|
-      use.update_attributes(:login, use.login.strip, phone: user.phone.try(:strip))
+      use.update_attributes(:login, use.login.strip, phone: use.phone.try(:strip))
       use.user_extension.update_column(:student_id,use.user_extension.student_id.try(:strip))
     end
   end