修改readme

README.md

@@ -29,14 +29,13 @@ spring.dubbo.module.default=false
 ```
 
 ### 2. 客户端介绍
-* 配置文件 application.properties
+* 配置文件 `application.properties`
 ```spring.dubbo.application.name=consumer
-   spring.dubbo.registry.address=zookeeper://localhost:2181
-   spring.dubbo.scan=com.zhiwei.demo.client
-   spring.dubbo.module.default=false    
-```
+      spring.dubbo.registry.address=zookeeper://localhost:2181
+      spring.dubbo.scan=com.zhiwei.demo.client
+      spring.dubbo.module.default=false ```
    
-`spring.dubbo.scan`表示要扫描的`package`目录。
+
 
 * 启动入口 `com.zhiwei.demo.client.Client`
 ```