diff --git a/deploy/apply-lag-fix.sh b/deploy/apply-lag-fix.sh
new file mode 100644
index 0000000..065c195
--- /dev/null
+++ b/deploy/apply-lag-fix.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# 部署卡顿修复并验证 rt=
+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"
diff --git a/deploy/systemd/gunicorn-dianjing.service b/deploy/systemd/gunicorn-dianjing.service
index 10cd659..048b7e7 100644
--- a/deploy/systemd/gunicorn-dianjing.service
+++ b/deploy/systemd/gunicorn-dianjing.service
@@ -7,7 +7,7 @@ Type=simple
 User=root
 Group=root
 WorkingDirectory=/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django
-ExecStart=/usr/local/bin/gunicorn --bind 127.0.0.1:8001 --workers 4 --threads 4 --worker-class gthread --timeout 120 --log-level warning --access-logfile /dev/null --error-logfile /tmp/gunicorn-error.log a_long_dianjing.wsgi:application
+ExecStart=/usr/local/bin/gunicorn --bind 127.0.0.1:8001 --workers 6 --threads 4 --worker-class gthread --timeout 120 --log-level warning --access-logfile /dev/null --error-logfile /tmp/gunicorn-error.log a_long_dianjing.wsgi:application
 Restart=always
 RestartSec=3
 StandardOutput=null
diff --git a/merchant_ops/services/bootstrap.py b/merchant_ops/services/bootstrap.py
index 440c322..5839eab 100644
--- a/merchant_ops/services/bootstrap.py
+++ b/merchant_ops/services/bootstrap.py
@@ -4,6 +4,10 @@ from merchant_ops.models import (
     MerchantStaffPermission, MerchantStaffRole, MerchantStaffRolePermission,
 )
 
+_SYSTEM_ROLE_CODES = {t['role_code'] for t in SYSTEM_ROLE_TEMPLATES}
+_SYSTEM_BOOTSTRAPPED = False
+_MERCHANT_BOOTSTRAPPED = set()
+
 
 def seed_global_permissions():
     for idx, (code, name) in enumerate(PERMISSION_DEFINITIONS):
@@ -23,7 +27,24 @@ def _sync_role_permissions(role, perm_codes):
         role.role_permissions.exclude(perm_code__in=perm_codes).delete()
 
 
+def _system_roles_ready():
+    if not _SYSTEM_ROLE_CODES:
+        return False
+    existing = set(
+        MerchantStaffRole.query.filter(
+            merchant_id=None, is_system=True, status=1,
+        ).values_list('role_code', flat=True)
+    )
+    if not _SYSTEM_ROLE_CODES <= existing:
+        return False
+    return MerchantStaffPermission.query.count() >= len(PERMISSION_DEFINITIONS)
+
+
 def ensure_system_role_templates():
+    global _SYSTEM_BOOTSTRAPPED
+    if _SYSTEM_BOOTSTRAPPED or _system_roles_ready():
+        _SYSTEM_BOOTSTRAPPED = True
+        return
     seed_global_permissions()
     for tpl in SYSTEM_ROLE_TEMPLATES:
         role, _ = MerchantStaffRole.objects.get_or_create(
@@ -38,10 +59,24 @@ def ensure_system_role_templates():
             },
         )
         _sync_role_permissions(role, tpl['permissions'])
+    _SYSTEM_BOOTSTRAPPED = True
 
 
 def ensure_merchant_roles(merchant_id):
-    """为商家复制系统角色模板，并同步预置角色权限。"""
+    """为商家复制系统角色模板。已初始化则直接返回，避免热路径全量同步拖垮 worker。"""
+    mid = str(merchant_id)
+    if mid in _MERCHANT_BOOTSTRAPPED:
+        return
+
+    existing_codes = set(
+        MerchantStaffRole.query.filter(
+            merchant_id=merchant_id, is_system=True, status=1,
+        ).values_list('role_code', flat=True)
+    )
+    if _SYSTEM_ROLE_CODES and _SYSTEM_ROLE_CODES <= existing_codes:
+        _MERCHANT_BOOTSTRAPPED.add(mid)
+        return
+
     ensure_system_role_templates()
     templates = MerchantStaffRole.query.filter(merchant_id=None, status=1)
     for tpl in templates:
@@ -58,3 +93,4 @@ def ensure_merchant_roles(merchant_id):
         )
         tpl_perms = list(tpl.role_permissions.values_list('perm_code', flat=True))
         _sync_role_permissions(role, tpl_perms)
+    _MERCHANT_BOOTSTRAPPED.add(mid)