diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index a83969d39..7f589124d 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -152,7 +152,7 @@ class WechatsController < ActionController::Base
   end
 
   def login
-    @openid = request[:FromUserName] #TODO 安全性
+    @openid = params[:openid] #TODO 安全性
   end
 
   private