diff --git a/app/controllers/weapps/code_sessions_controller.rb b/app/controllers/weapps/code_sessions_controller.rb
index 04b35a06c..3b8102779 100644
--- a/app/controllers/weapps/code_sessions_controller.rb
+++ b/app/controllers/weapps/code_sessions_controller.rb
@@ -21,6 +21,8 @@ class Weapps::CodeSessionsController < Weapps::BaseController
       Rails.logger.info("[Weapp] code: #{params[:code]}")
       user_info = Wechat::Weapp.decrypt(result['session_key'], params[:encrypted_data], params[:iv])
 
+      user_info.delete(:nickName)
+
       # 老用户，已绑定
       open_user = OpenUsers::Wechat.find_by(uid: user_info['unionId'])
       if open_user.present? && open_user.user