diff --git a/README.md b/README.md
index a54c7e3..55bdb03 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-stackoverflow-Java-top-qa
+stackoverflow-Java-top-qa
 =======================
     对stackoverflow上Java相关、投票数TOP100的问答进行翻译，欢迎点star，我们会持续更新!!!
 
@@ -37,6 +37,7 @@ stackoverflow-Java-top-qa
 * [去掉烦人的“!=null"(判空语句](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/avoiding-null-statements-in-java.md)
 * [获取完整的堆栈信息](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/get-current-stack-trace-in-java.md)
 * [如何通过一行代码初始化ArrayList](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/initialization-of-an-arraylist-in-one-line.md)
+* [实现Runnable接口  VS. 继承Thread类](https://github.com/giantray/stackoverflow-java-top-qa/blob/master/contents/implements-runnable-vs-extends-thread.md)
 
 > 网络
 
@@ -64,7 +65,6 @@ stackoverflow-Java-top-qa
 - [How to avoid Java code in JSP files?](http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files)
 - [Why is executing Java code in comments with certain Unicode characters allowed?](http://stackoverflow.com/questions/30727515/why-is-executing-java-code-in-comments-with-certain-unicode-characters-allowed)
 - [Dealing with “java.lang.OutOfMemoryError: PermGen space” error](http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error)
-- [“implements Runnable” vs. “extends Thread”](http://stackoverflow.com/questions/541487/implements-runnable-vs-extends-thread)
 - [Convert a String to an enum in Java](http://stackoverflow.com/questions/604424/convert-a-string-to-an-enum-in-java)
 - [Android SDK installation doesn't find JDK](http://stackoverflow.com/questions/4382178/android-sdk-installation-doesnt-find-jdk)
 - [Initialization of an ArrayList in one line](http://stackoverflow.com/questions/1005073/initialization-of-an-arraylist-in-one-line)
diff --git a/contents/implements-runnable-vs-extends-thread.md b/contents/implements-runnable-vs-extends-thread.md
new file mode 100644
index 0000000..57e1863
--- /dev/null
+++ b/contents/implements-runnable-vs-extends-thread.md
@@ -0,0 +1,23 @@
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+http://stackoverflow.com/questions/541487/implements-runnable-vs-extends-thread
+