diff --git a/apps/infra/net/nginx/helmchart.yaml b/apps/infra/net/nginx/helmchart.yaml
index e7b2839..2fa0398 100644
--- a/apps/infra/net/nginx/helmchart.yaml
+++ b/apps/infra/net/nginx/helmchart.yaml
@@ -50,6 +50,7 @@ spec:
         location-snippet: |
           # 限速配置
           limit_req zone=global_limit burst=30 nodelay;
+          limit_req_status 429;
         # 启用geoip2模块
         use-geoip: "false"
         use-geoip2: "true"
@@ -154,7 +155,7 @@ spec:
       image:
         registry: docker.io
         image: devcm/default-backend
-        tag: latest
+        tag: v0.1.0
       # 和controller部署同一节点
       nodeSelector:
         svccontroller.k3s.cattle.io/enablelb: "true"