diff --git a/mcp-auth/frontend/Dockerfile b/mcp-auth/frontend/Dockerfile
index 6ce0bee..1cad20e 100644
--- a/mcp-auth/frontend/Dockerfile
+++ b/mcp-auth/frontend/Dockerfile
@@ -25,7 +25,7 @@ COPY --from=builder /app/dist /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/templates/default.conf.template
 
 # 默认后端 API 地址（运行时可通过 -e BACKEND_URL=... 覆盖）
-ENV BACKEND_URL=http://10.100.154.100:8003
+ENV BACKEND_URL=https://ai-workshop.digiwincloud.com.cn/mcp-auth-api
 
 EXPOSE 8902
 
diff --git a/mcp-auth/frontend/docker-compose.yml b/mcp-auth/frontend/docker-compose.yml
index 8e37978..b82d25e 100644
--- a/mcp-auth/frontend/docker-compose.yml
+++ b/mcp-auth/frontend/docker-compose.yml
@@ -11,5 +11,5 @@ services:
     container_name: mcp-auth-frontend
     network_mode: host
     environment:
-      - BACKEND_URL=${BACKEND_URL:-http://10.100.154.100:8003}
+      - BACKEND_URL=${BACKEND_URL:-https://ai-workshop.digiwincloud.com.cn/mcp-auth-api}
     restart: unless-stopped
diff --git a/mcp-auth/frontend/vite.config.ts b/mcp-auth/frontend/vite.config.ts
index 782fded..58e8a2e 100644
--- a/mcp-auth/frontend/vite.config.ts
+++ b/mcp-auth/frontend/vite.config.ts
@@ -6,7 +6,7 @@ export default defineConfig({
   server: {
     port: 5173,
     proxy: {
-      '/api': 'http://localhost:8000',
+      '/api': 'https://ai-workshop.digiwincloud.com.cn/mcp-auth-api',
       // 鼎捷云 IAM 登录服务代理（避免 CORS / 网络问题）
       '/iam-api': {
         target: 'https://iam.digiwincloud.com.cn',