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@@ -48,7 +48,7 @@ star: 2
 
 ### PDF 面试手册
 
-免费赠送多本优质的 PDF 面试手册。
+免费赠送多本优质 PDF 面试手册。
 
 ![](https://guide-blog-images.oss-cn-shenzhen.aliyuncs.com/xingqiu/image-20220723120918434.png)
 
 
@@ -17,7 +17,7 @@ tag:
 
 AQS 的全称为 `AbstractQueuedSynchronizer` ，翻译过来的意思就是抽象队列同步器。这个类在 `java.util.concurrent.locks` 包下面。
 
-![enter image description here](https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/Java%20%E7%A8%8B%E5%BA%8F%E5%91%98%E5%BF%85%E5%A4%87%EF%BC%9A%E5%B9%B6%E5%8F%91%E7%9F%A5%E8%AF%86%E7%B3%BB%E7%BB%9F%E6%80%BB%E7%BB%93/AQS.png)
+![](https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/Java%20%E7%A8%8B%E5%BA%8F%E5%91%98%E5%BF%85%E5%A4%87%EF%BC%9A%E5%B9%B6%E5%8F%91%E7%9F%A5%E8%AF%86%E7%B3%BB%E7%BB%9F%E6%80%BB%E7%BB%93/AQS.png)
 
 AQS 就是一个抽象类，主要用来构建锁和同步器。
 
 
@@ -75,14 +75,12 @@ public boolean isDone() {
 }
 ```
 
-获取异步计算的结果也非常简单，直接调用 `get()` 方法即可！
+获取异步计算的结果也非常简单，直接调用 `get()` 方法即可。调用 `get()` 方法的线程会阻塞直到 `CompletableFuture` 完成运算。
 
 ```java
 rpcResponse = completableFuture.get();
 ```
 
-注意 ： `get()` 方法并不会阻塞，因为我们已经知道异步运算的结果了。
-
 如果你已经知道计算的结果的话，可以使用静态方法 `completedFuture()` 来创建 `CompletableFuture` 。
 
 ```java