diff --git a/Dockerfile b/Dockerfile
index 2d223969..d9a7a8c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# 使用轻量级的 Nginx 镜像
+# 使用轻量级的 Nginx 镜像
 FROM nginx:alpine
 
 ARG NGINX_CONF=nginx.conf
@@ -10,12 +10,15 @@ COPY dist /usr/share/nginx/html
 
 EXPOSE 8088
 
-
-# 创建启动脚本
-RUN echo -e '#!/bin/sh\n\
-echo "Waiting for MySQL/Redis/MinIO to start..."\n\
-sleep 15\n\
-nginx -g "daemon off;"' > /start.sh && \
+# 安装 getent 依赖（Alpine 自带）
+# 创建启动脚本：轮询等待后端 DNS 解析成功后再启动 nginx
+RUN printf "#!/bin/sh\n\
+echo \"Waiting for upstream besure-server-inner to resolve...\"\n\
+while ! getent hosts besure-server-inner > /dev/null 2>&1; do\n\
+  sleep 2\n\
+done\n\
+echo \"Upstream resolved! Starting nginx...\"\n\
+nginx -g \"daemon off;\"\n" > /start.sh && \
     chmod +x /start.sh
 
-CMD ["/start.sh"]
\ No newline at end of file
+CMD ["/start.sh"]
diff --git a/nginx-inner.conf b/nginx-inner.conf
index 60747051..388e0abc 100644
--- a/nginx-inner.conf
+++ b/nginx-inner.conf
@@ -1,4 +1,4 @@
-server {
+server {
     listen 8088;
     server_name localhost;
 
@@ -23,7 +23,8 @@ server {
     # 如果 inner 环境的后端服务名不同，比如叫 besure-server-inner
     # 就把下面的 proxy_pass 改成对应的服务名或IP
     location /admin-api-inner/ {
-        proxy_pass http://besure-server-inner:48081;  # 👈 这里改！
+        set $backend_inner "http://besure-server-inner:48081";
+        proxy_pass $backend_inner;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -35,7 +36,8 @@ server {
 
     # 如果 inner 环境还需要访问原 /admin-api/，可以保留
     location /admin-api/ {
-        proxy_pass http://besure-server:48081;  # 👈 原生产后端
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -47,7 +49,8 @@ server {
 
     # 其他路径保持不变
     location /api/ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -58,7 +61,8 @@ server {
     }
 
     location /jmreport/ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -69,7 +73,8 @@ server {
     }
 
     location /v3/api-docs/ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -80,7 +85,8 @@ server {
     }
 
     location /doc.html {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -91,21 +97,24 @@ server {
     }
 
     location /swagger-ui/ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
     }
 
     # 处理Swagger静态资源
     location /webjars/ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
     }
 
     # 处理API文档JSON文件
     location ~ /v3/api-docs/.*\.json$ {
-        proxy_pass http://besure-server:48081;
+        set $backend_server "http://besure-server:48081";
+        proxy_pass $backend_server;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
     }
@@ -121,4 +130,4 @@ server {
     location = /50x.html {
         root /usr/share/nginx/html;
     }
-}
\ No newline at end of file
+}