diff --git a/lua/app/userdata/shop/shop_data.lua b/lua/app/userdata/shop/shop_data.lua
index c6da37be..c6a075d1 100644
--- a/lua/app/userdata/shop/shop_data.lua
+++ b/lua/app/userdata/shop/shop_data.lua
@@ -371,7 +371,7 @@ function ShopData:initLevelUpGift(levelUpGift)
     self.levelUpGifts = levelUpGift.gifts or {} -- [{trigger_level,current_level_up_gift,trigger_at}]
     -- 金币礼包部分会一直保留
     self:initCoinGift(levelUpGift.gold_gift_id, levelUpGift.gold_gift_trigger_at)
-    self.data.currentPayAmount = levelUpGift.current_pay_amount -- 已经计算过降档的付费数额
+    self.data.currentPayAmount = levelUpGift.current_pay_amount or 0 -- 已经计算过降档的付费数额
 
     self:setDirty()
 end