diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index e75892bf5..d07e00090 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -23,6 +23,8 @@ class ApplicationController < ActionController::Base
 
 	# 所有请求必须合法签名
 	def check_sign
+		uid_logger("check sign start: session[:user_id] is #{session[:user_id]}")
+		uid_logger("check sign start: default_yun_session is #{default_yun_session}, session[:current_user_id] is #{session[:"#{default_yun_session}"]}")
 		if !Rails.env.development?
 			Rails.logger.info("66666  #{params}")
 			# suffix = request.url.split(".").last.split("?").first