diff --git a/hooks/post-deploy-health.sh b/hooks/post-deploy-health.sh
index 7b142a2..83f10d1 100755
--- a/hooks/post-deploy-health.sh
+++ b/hooks/post-deploy-health.sh
@@ -3,6 +3,8 @@
 # 觸發時機：AI 執行含 deploy/docker 的指令後
 # 作用：部署後自動提醒跑 health check
 
+[ -z "$1" ] && exit 0
+
 CMD="$1"
 
 # 偵測部署相關指令