diff --git a/examples/hello-midway/src/app.ts b/examples/hello-midway/src/app.ts
index ebc7ad9..6f1736a 100644
--- a/examples/hello-midway/src/app.ts
+++ b/examples/hello-midway/src/app.ts
@@ -21,7 +21,7 @@
 export default async (app: Application) => {
   console.log('🚀 Your awesome APP is launching...');
   await dubbo(app);
-  await app.dubbo.ready();
   console.log('dubbo was ready..');
+  await app.dubbo.ready();
   console.log('✅  Your awesome APP launched');
 };
diff --git a/examples/hello-midway/src/config/config.default.ts b/examples/hello-midway/src/config/config.default.ts
index 90dfc8d..9114511 100644
--- a/examples/hello-midway/src/config/config.default.ts
+++ b/examples/hello-midway/src/config/config.default.ts
@@ -28,6 +28,17 @@
   // add your config here
   config.middleware = [];
 
+  /**
+   * dubbo config
+   *
+   * application 当前的应用标识
+   * register 注册中心地址
+   *   support registry mode
+   *     1、 zookeeper  'localhost:2181,localhost:2182,localhost:2183'
+   *     2、 nacos      'nacos://localhost:2181'
+   *       nacos 注册地址要以 nacos:// 开头
+   *
+   */
   config.dubbo = {
     application: 'hello-midway',
     // zookeeper 的链接