diff --git a/src/models/Store.lua b/src/models/Store.lua
index 13b1c99..d0a509c 100644
--- a/src/models/Store.lua
+++ b/src/models/Store.lua
@@ -498,6 +498,7 @@ function Store:onBuyCard(type, duration, id, actid)
         info["flag"] = 1
         bpInfo[index] = info
         self:updateProperty({field = "bpInfo", value = bpInfo})
+        return {}
     elseif type == CardType.ActBattleCommandCard then
         if not self.owner.activity:isOpenById(actid, "ActShopGoods") then
             return nil
--
libgit2 0.21.2