add live awards function

app/models/live_award.rb

@@ -3,14 +3,13 @@ class LiveAward < ActiveRecord::Base
     self.table_name = "live_awards"
     validates :openid, presence: true
     belongs_to :wx_user, :foreign_key => :wx_user_id
-    after_create :update_user_info
+    before_save :update_user_info
 
     def update_user_info
       # 找出会员
       wxUser = WxUser.where("openid = ?", self.openid).first
       if !wxUser.blank?
         self.wx_user_id=wxUser.id
-        self.save
       end
 
     end