add balance promotion shop promotion

app/models/balance_order.rb

@@ -9,6 +9,10 @@ class BalanceOrder < ActiveRecord::Base
   belongs_to :depart_record, :foreign_key => :depart
 
   def update_paied_time
+    wxUser = WxUser.where("id = ?", self.wx_user_id).first
+    if !wxUser.blank?
+      self.depart = wxUser.depart
+    end
     self.paied_at = Time.now.to_i
     self.save
   end
@@ -127,7 +131,7 @@ class BalanceOrder < ActiveRecord::Base
       end
       field :state
       field :balance_bank_card_no
-      field :depart
+      #field :depart
       field :remark
     end
   end