promotion add cash and cent

app/models/balance.rb

@@ -14,7 +14,8 @@ class Balance < ActiveRecord::Base
                  ["群员购物扣除", "frend_buy"],
                  ["全额退款", "all_refunded"],
                  ["部分退款", "part_refunded"],
-                 ["扣除","deduct"]]
+                 ["部分退款", "part_refunded"],
+                 ["促销赠送","promotion"]]
 
   def remain_sum
     b = Balance.where("wx_user_id = ? and id < ?", self.wx_user_id, self.id).last

app/models/cent_balance.rb

@@ -16,6 +16,7 @@ class CentBalance < ActiveRecord::Base
                  ["签到第六天", "six_day"],
                  ["签到第七天", "seven_day"],
                  ["购物扣除", "exchange_product"],
+                 ["促销赠送", "promotion"],
                ]
   def remain_sum
     b = CentBalance.where("wx_uid = ? and id < ?", self.wx_uid, self.id).last