fix: gunicorn.conf.py 从 sync 改为 gthread，修复全站卡死根因

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/audit-system.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# 系统级排查：Gunicorn 是否双开、是否用了错误的 sync 配置
+set -e
+echo "========== Gunicorn 进程（看 worker_class / 是否双开）=========="
+pgrep -af gunicorn || echo "无 gunicorn"
+
+echo ""
+echo "========== 8001 端口占用 =========="
+ss -ltnp 2>/dev/null | grep 8001 || netstat -ltnp 2>/dev/null | grep 8001 || echo "8001 未监听"
+
+echo ""
+echo "========== systemd 实际启动命令 =========="
+systemctl cat gunicorn-dianjing.service 2>/dev/null | grep -E '^ExecStart|^Environment' || echo "无 systemd service"
+
+echo ""
+echo "========== gunicorn.conf.py 关键项 =========="
+CONF="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django/gunicorn.conf.py"
+if [ -f "$CONF" ]; then
+  grep -E 'worker_class|workers|threads|accesslog|errorlog|preload' "$CONF" | grep -v '^#'
+else
+  echo "找不到 $CONF"
+fi
+
+echo ""
+echo "========== 判定 =========="
+NG=$(pgrep -cf 'gunicorn.*a_long_dianjing' 2>/dev/null || echo 0)
+if [ "$NG" -gt 8 ]; then
+  echo ">>> 警告: gunicorn 进程过多($NG)，可能 systemd + 1Panel 双开，必须只留 systemd"
+fi
+if grep -q 'worker_class.*sync' "$CONF" 2>/dev/null; then
+  echo ">>> 致命: gunicorn.conf.py 仍是 sync，全站会卡死，必须改为 gthread 并 restart"
+fi
+if grep -q 'accesslog.*"-' "$CONF" 2>/dev/null || grep -q "accesslog = '-'" "$CONF" 2>/dev/null; then
+  echo ">>> 致命: accesslog 输出到 stdout，会灌 journal 卡整机"
+fi
+echo ""
+echo "正确做法: 1Panel 关闭 Python 自动管理 → git pull → bash deploy/safe-deploy.sh"