diff --git a/netflow/iptables.sh b/netflow/iptables.sh
index 74721d4..f6a7718 100644
--- a/netflow/iptables.sh
+++ b/netflow/iptables.sh
@@ -5,7 +5,7 @@ if [[ -d "/host/proc/1/" ]]; then source /apps/gitrce/hook/singleton.sh "$0"; fi
 
 __main() {
 	:
-	# 切换到系统默认的legacy
+	# 切换到系统默认的legacy 有些不支持iptabes-nft或者nftables
 	update-alternatives --set iptables /usr/sbin/iptables-legacy
 
 	_owner_id=50000