diff --git a/scripts/ci/deploy-server.sh b/scripts/ci/deploy-server.sh
index 91b3414..419b51e 100644
--- a/scripts/ci/deploy-server.sh
+++ b/scripts/ci/deploy-server.sh
@@ -52,6 +52,18 @@ install -m755 /tmp/pangolin-server "$BIN/pangolin-server"
 install -m755 /tmp/pangolin-agent  "$BIN/pangolin-agent"
 install -m755 /tmp/pangolin-migrate "$BIN/pangolin-migrate"
 install -m755 /tmp/pangolin-nodectl "$BIN/pangolin-nodectl"
+# ── 控制面收口(幂等):HTTP API 只绑 loopback,经 cloudflared 隧道对外,关公网 8080 ──
+# 现网 server.env 曾漂移成 ADDR=:8080(全网卡明文暴露 http://<公网IP>:8080,绕过 CF/TLS)。
+# 这里在重启前把它纠回 127.0.0.1:8080 并撤掉 ufw 放行,随本次部署自动生效——不再手改线上。
+# 幂等:仅当精确匹配公网形态 ADDR=:8080 才改;已收口则跳过。备份原文件。
+if grep -qxF 'ADDR=:8080' /etc/pangolin/server.env; then
+  cp -p /etc/pangolin/server.env "/etc/pangolin/server.env.bak-addr-$TAG"
+  sed -i 's/^ADDR=:8080\$/ADDR=127.0.0.1:8080/' /etc/pangolin/server.env
+  echo "==> deploy-server: ADDR 收口 :8080 -> 127.0.0.1:8080"
+fi
+if command -v ufw >/dev/null 2>&1; then
+  ufw delete allow 8080/tcp >/dev/null 2>&1 || true
+fi
 systemctl start pangolin-server
 systemctl is-active pangolin-server
 REMOTE
diff --git a/server/cmd/server/main.go b/server/cmd/server/main.go
index 036951d..fd9e54b 100644
--- a/server/cmd/server/main.go
+++ b/server/cmd/server/main.go
@@ -48,14 +48,16 @@ import (
 )
 
 func main() {
-	listenAddr := flag.String("addr", "", "HTTP listen address (default :8080, overridden by ADDR env)")
+	listenAddr := flag.String("addr", "", "HTTP listen address (default 127.0.0.1:8080, overridden by ADDR env)")
 	flag.Parse()
 
 	if *listenAddr == "" {
 		if v := os.Getenv("ADDR"); v != "" {
 			*listenAddr = v
 		} else {
-			*listenAddr = ":8080"
+			// 默认只绑 loopback:控制面对外一律经 cloudflared 隧道(见 CLAUDE.md),
+			// 源站不该裸监听公网。要跨主机监听须显式设 ADDR=:8080(明知代价)。
+			*listenAddr = "127.0.0.1:8080"
 		}
 	}