diff --git a/deploy/apply-lag-fix.sh b/deploy/apply-lag-fix.sh
index 065c195..bd7bd1e 100644
--- a/deploy/apply-lag-fix.sh
+++ b/deploy/apply-lag-fix.sh
@@ -1,28 +1,6 @@
 #!/bin/bash
-# 部署卡顿修复并验证 rt=
+# 兼容旧名：转 safe-deploy + 清理实验配置
 set -e
-DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
-NGINX_LOG="/opt/1panel/apps/openresty/nginx/log/access.log"
-cd "$DJANGO_DIR"
-
-echo ">>> git pull"
-git pull origin main
-
-echo ">>> 更新 systemd (6 workers)"
-cp deploy/systemd/gunicorn-dianjing.service /etc/systemd/system/gunicorn-dianjing.service
-systemctl daemon-reload
-systemctl restart gunicorn-dianjing.service
-sleep 2
-systemctl is-active gunicorn-dianjing.service
-pgrep -cf 'gunicorn.*a_long_dianjing' || true
-
-echo ""
-echo ">>> 最近慢请求 (rt>=0.5s):"
-grep -a 'hqhd' "$NGINX_LOG" | awk 'match($0,/rt=([0-9.]+)/,a){if(a[1]+0>=0.5)print}' | tail -5
-
-echo ""
-echo ">>> 最近 dddhq / merchant-staff/me:"
-grep -a 'hqhd' "$NGINX_LOG" | grep -E 'ddhq|merchant-staff/me' | tail -8 | awk 'match($0,/rt=([0-9.]+)/,a){rt=a[1]} match($0,/POST ([^ ]+)/,b){print "  rt="rt"s  "b[1]}'
-
-echo ""
-echo "部署完成。请用手机再试，然后看上面 rt 是否都 <0.2s"
+DIR="$(cd "$(dirname "$0")" && pwd)"
+bash "$DIR/cleanup-lag-experiments.sh" 2>/dev/null || true
+bash "$DIR/safe-deploy.sh"
diff --git a/deploy/cleanup-lag-experiments.sh b/deploy/cleanup-lag-experiments.sh
new file mode 100644
index 0000000..4a686e1
--- /dev/null
+++ b/deploy/cleanup-lag-experiments.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+# 仅撤销「排查实验」加的配置（cron 保活、慢请求追踪 override）
+# 由仓库脚本执行，不需要你手动 rm 任何路径
+set -e
+DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
+cd "$DJANGO_DIR"
+
+if [ -f /etc/cron.d/gunicorn-warmup ]; then
+  if grep -q 'gunicorn-warmup.sh' /etc/cron.d/gunicorn-warmup 2>/dev/null; then
+    echo ">>> 移除本仓库安装的 cron 保活"
+    rm -f /etc/cron.d/gunicorn-warmup
+  else
+    echo ">>> 跳过 cron（非本仓库创建的文件）"
+  fi
+fi
+
+if [ -f /etc/systemd/system/gunicorn-dianjing.service.d/slow-trace.conf ]; then
+  echo ">>> 关闭慢请求追踪 override"
+  rm -f /etc/systemd/system/gunicorn-dianjing.service.d/slow-trace.conf
+  systemctl daemon-reload
+  systemctl restart gunicorn-dianjing.service
+fi
+
+echo "清理完成。"
diff --git a/deploy/safe-deploy.sh b/deploy/safe-deploy.sh
new file mode 100644
index 0000000..b2fd9ef
--- /dev/null
+++ b/deploy/safe-deploy.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# 安全部署：只 git pull + 更新 systemd + 重启，不手动删任何路径
+# 用法: bash deploy/safe-deploy.sh
+set -e
+DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
+cd "$DJANGO_DIR"
+
+echo ">>> git pull"
+git pull origin main
+
+echo ">>> 更新 gunicorn systemd"
+cp deploy/systemd/gunicorn-dianjing.service /etc/systemd/system/gunicorn-dianjing.service
+systemctl daemon-reload
+systemctl enable gunicorn-dianjing.service
+systemctl restart gunicorn-dianjing.service
+sleep 2
+
+echo ">>> 状态"
+systemctl is-active gunicorn-dianjing.service
+echo "gunicorn 进程: $(pgrep -cf 'gunicorn.*a_long_dianjing' || echo 0)"
+
+echo ""
+echo "部署完成。未删除任何文件。"
+echo "若需查卡顿根因（可选）: bash deploy/enable-slow-trace.sh"
+echo "查完关闭追踪:           bash deploy/disable-slow-trace.sh"