diff --git a/app/controllers/weapps/code_sessions_controller.rb b/app/controllers/weapps/code_sessions_controller.rb
index 887e97eed..2dbd08e82 100644
--- a/app/controllers/weapps/code_sessions_controller.rb
+++ b/app/controllers/weapps/code_sessions_controller.rb
@@ -15,6 +15,8 @@ class Weapps::CodeSessionsController < Weapps::BaseController
       logged = true
     else
       # 根据 code没拿到 unionid
+      Rails.logger.info("[Weapp] session_key: #{result['session_key']}")
+      Rails.logger.info("[Weapp] code: #{params[:code]}")
       user_info = Wechat::Weapp.decrypt(result['session_key'], params[:encrypted_data], params[:iv])
 
       # 老用户，已绑定