.

app/controllers/wechats_controller.rb

@@ -153,6 +153,6 @@ class WechatsController < ActionController::Base
   private
   def user_binded?
     openid = request[:FromUserName]
-    uw = UserWechat.where(:openid, open).first
+    uw = UserWechat.where(:openid => open).first
   end
 end