Merge pull request Snailclimb#894 from erisonlan/master

jdk动态代理实际使用中，new DebugProxy()代码有误

Author: Snailclimb

docs/java/basic/java-proxy.md

@@ -261,8 +261,7 @@ public class JdkProxyFactory {
 **5.实际使用**
 
 ```java
-DebugProxy debugProxy = new DebugProxy(new SmsServiceImpl());
-SmsService smsService = debugProxy.getProxy(SmsService.class);
+SmsService smsService = (SmsService) JdkProxyFactory.getProxy(new SmsServiceImpl());
 smsService.send("java");
 ```
 
@@ -420,4 +419,4 @@ after method send
 
 这篇文章中主要介绍了代理模式的两种实现：静态代理以及动态代理。涵盖了静态代理和动态代理实战、静态代理和动态代理的区别、JDK 动态代理和 Cglib 动态代理区别等内容。
 
-文中涉及到的所有源码，你可以在这里找到：[https://github.com/Snailclimb/guide-rpc-framework-learning/tree/master/src/main/java/github/javaguide/proxy](https://github.com/Snailclimb/guide-rpc-framework-learning/tree/master/src/main/java/github/javaguide/proxy) 。
+文中涉及到的所有源码，你可以在这里找到：[https://github.com/Snailclimb/guide-rpc-framework-learning/tree/master/src/main/java/github/javaguide/proxy](https://github.com/Snailclimb/guide-rpc-framework-learning/tree/master/src/main/java/github/javaguide/proxy) 。