diff --git a/src/server/conf/playroom/playroomCfg.go b/src/server/conf/playroom/playroomCfg.go
index ec1d76cc..61faae1d 100644
--- a/src/server/conf/playroom/playroomCfg.go
+++ b/src/server/conf/playroom/playroomCfg.go
@@ -54,8 +54,8 @@ func GetShopWeeklyLimit() map[int]gamedata.WeeklyDiscountInfo {
 	if err != nil {
 		return r
 	}
-	for _, v := range data {
-		Id := gamedata.GetIntValue(v, "ID")
+	for k, v := range data {
+		Id := GoUtil.Int(k)
 		Limit := gamedata.GetIntValue(v, "Limit")
 		if Limit == 0 {
 			continue