fix url

funnycoding · funnycoding · commit d1a9447d22f8 · 2020-09-28T02:04:02.000+08:00
diff --git a/java_concurrency_in_practice/docs/2/2.线程安全性(总).md b/java_concurrency_in_practice/docs/2/2.线程安全性(总).md
@@ -186,11 +186,11 @@ public class UnsafeCachingFactorizer implements Servlet {
 ### 本章完整代码与对应 TestCase：
 
 - [2-1 无状态的 Servlet 线程安全](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/StatelessFactorizer.java)
-- [2-2 线程不安全的 Servlet，存取类中变量时没有使用同步机制](https://jcip.net/listings/UnsafeCountingFactorizer.java) 
-- [2-3 一个线程不安全的延迟初始化](https://jcip.net/listings/LazyInitRace.java) 
+- [2-2 线程不安全的 Servlet，存取类中变量时没有使用同步机制](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/UnSafeCountingFactorizer.java) 
+- [2-3 一个线程不安全的延迟初始化](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/LazyInitRace.java) 
 - [2-4 使用原子类的Servlet，原子类的递增是一个原子操作](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/CountingFactorizer.java)
 - [2-5 多个原子类组合使用仍然会出现竞态条件](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/UnSafeCachingFactorizer.java)
-- [2-6 高度串行化的 Servlet，整个 Servlet 每次只能接受一个请求](https://jcip.net/listings/SynchronizedFactorizer.java)
+- [2-6 高度串行化的 Servlet，整个 Servlet 每次只能接受一个请求](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/SynchronizedFactorizer.java)
 - [2-7 使用细粒度锁来保护类中状态的Servlet 既不会高度串行化也保证了访问类状态的安全性](https://github.com/funnycoding/java_learning/blob/master/java_concurrency_in_practice/src/main/java/chapter2/CachedFactorizer.java)
 
 ### 总结
