diff --git a/install-agent.sh b/install-agent.sh
index 081d318..334a1a2 100755
--- a/install-agent.sh
+++ b/install-agent.sh
@@ -262,7 +262,13 @@ name="x-ui-agent"
 description="3x-ui lightweight node agent"
 command="/usr/local/x-ui/xui-agent"
 command_args="agent"
-command_background="yes"
+# supervise-daemon 守护（第 23 条）：进程崩溃后按 respawn 参数自动拉起，
+# 对齐 systemd 支的 Restart=on-failure + RestartSec=5；旧版 command_background
+# 只负责后台化、崩溃不重启。respawn_max=0 = 不限次（同 systemd 的持续重试）。
+supervisor="supervise-daemon"
+respawn_delay=5
+respawn_max=0
+respawn_period=0
 pidfile="/run/x-ui-agent.pid"
 output_log="/var/log/x-ui-agent.log"
 error_log="/var/log/x-ui-agent.log"