WxUser

app/models/silver.rb

@@ -11,7 +11,7 @@ class Silver < ActiveRecord::Base
   def before_save
     wxUser = WxUser.where("id = ?", self.wx_user_id).first
     if !wxUser.blank?
-      self.user_id = WxUser.user_id
+      self.user_id = wxUser.user_id
     end
   end