修改readme

README.md

@@ -30,12 +30,10 @@ spring.dubbo.module.default=false
 
 ### 2. 客户端介绍
 * 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.application.name=consumer
+   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。