注册问题

app/controllers/accounts_controller.rb

@@ -31,7 +31,7 @@ class AccountsController < ApplicationController
         phone = nil
         verifi_code = VerificationCode.where(email: email, code: code, code_type: 8).last
       end
-      uid_logger("start register:  verifi_code is #{verifi_code}, code is #{code}, time is #{Time.now.to_i - verifi_code.created_at.to_i}")
+      uid_logger("start register:  verifi_code is #{verifi_code}, code is #{code}, time is #{Time.now.to_i - verifi_code.try(:created_at).to_i}")
       check_code = (verifi_code.try(:code) == code.strip && (Time.now.to_i - verifi_code.created_at.to_i) <= 10*60)
       unless check_code
         tip_exception("验证码无效")