diff --git a/server/wheelserver/api/v1/shop/shop.go b/server/wheelserver/api/v1/shop/shop.go
index a52b772d..16bc3170 100644
--- a/server/wheelserver/api/v1/shop/shop.go
+++ b/server/wheelserver/api/v1/shop/shop.go
@@ -76,5 +76,9 @@ func (this *ShopApi) Buy(c *gin.Context) {
 		f5.RspErr(c, 500, "config error")
 		return
 	}
+	if err := user.DecScore(itemMeta.GetPrice()); err != nil {
+		f5.RspErr(c, 500, "server internal error5")
+		return
+	}
 	c.JSON(200, rspObj)
 }