fix: preserve stable Admin proxy port

scripts/deploy-production.sh

@@ -62,12 +62,12 @@ compose() {
 case "$service" in
   admin-web)
     base_port=9001
-    nginx_config=/www/server/panel/vhost/nginx/admin.buggoglobal.com.conf
+    nginx_config=/www/server/panel/vhost/nginx/00-blue-green-admin-web.conf
     legacy_container=firstleg-prod-admin-web
     ;;
   client-web)
     base_port=9002
-    nginx_config=/www/server/panel/vhost/nginx/app.buggoglobal.com.conf
+    nginx_config=/www/server/panel/vhost/nginx/00-blue-green-client-web.conf
     legacy_container=firstleg-prod-client-web
     ;;
   *) echo "不支持蓝绿部署的前端服务: $service" >&2; exit 2 ;;
@@ -102,7 +102,7 @@ fi
 
 if [ "$active_slot" = blue ]; then target_slot=green; else target_slot=blue; fi
 [ "$active_slot" = legacy ] && target_slot=green
-if [ "$target_slot" = blue ]; then target_port="$base_port"; else target_port=$((base_port + 10000)); fi
+if [ "$target_slot" = blue ]; then target_port=$((base_port + 20000)); else target_port=$((base_port + 10000)); fi
 candidate="${legacy_container}-${target_slot}"
 docker rm -f "$candidate" >/dev/null 2>&1 || true