diff --git a/README.md b/README.md
index 80f6a1eb..20e245ee 100644
--- a/README.md
+++ b/README.md
@@ -34,17 +34,23 @@
     <tr>
       <td align="center" valign="middle">
         <a href="https://mp.weixin.qq.com/s/li9_YXNVxan6Qgt3Q9FYqA">
-          <img src="https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-7/WechatIMG1.png" style="margin: 0 auto;width:400px" /></a>
+          <img src="https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-7/WechatIMG1.png" style="margin: 0 auto;width:450px" /></a>
       </td>
       <td align="center" valign="middle">
         <a href="https://mp.weixin.qq.com/s/uXgGt66Df3JC4GM7d0LlZg" target="_blank">
-          <img src="https://imgkr.cn-bj.ufileos.com/75fef802-16f0-4e0b-9d6f-a9173f24a40f.png" style="margin: 0 auto;width:400px" /></a>
+          <img src="https://imgkr.cn-bj.ufileos.com/75fef802-16f0-4e0b-9d6f-a9173f24a40f.png" style="margin: 0 auto;width:450px" /></a>
       </td>        
     </tr>
+    <tr>
+      <td align="center" valign="middle">
+        <a href="https://faxian.lagou.com/discover/05a25f7c41404735b01b7f2a61bcf833.html?ver=2">
+          <img src="https://imgkr2.cn-bj.ufileos.com/46974d4c-3f5c-415b-a59c-c11475bd502a.png?UCloudPublicKey=TOKEN_8d8b72be-579a-4e83-bfd0-5f6ce1546f13&Signature=iFLlYkAWJPv7MOAO2sLADT4vRbM%253D&Expires=1596273069" style="margin: 0 auto;width:450px" /></a>    
+    </tr>
   </tbody>
 </table>
 
 
+
 ## 目录
 
 - [Java](#java)
diff --git a/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md b/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
index 8c5a30a6..97cc51d8 100644
--- a/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
+++ b/docs/java/Multithread/JavaConcurrencyAdvancedCommonInterviewQuestions.md
@@ -338,11 +338,11 @@ ThreadLocalMap(ThreadLocal<?> firstKey, Object firstValue) {
 
 比如我们在同一个线程中声明了两个 `ThreadLocal` 对象的话，会使用 `Thread`内部都是使用仅有那个`ThreadLocalMap` 存放数据的，`ThreadLocalMap`的 key 就是 `ThreadLocal`对象，value 就是 `ThreadLocal` 对象调用`set`方法设置的值。
 
-![ThreadLocal数据结构](https://upload-images.jianshu.io/upload_images/7432604-ad2ff581127ba8cc.jpg?imageMogr2/auto-orient/strip|imageView2/2/w/806)
+![ThreadLocal数据结构](images/threadlocal数据结构.png)
 
 `ThreadLocalMap`是`ThreadLocal`的静态内部类。
 
-![ThreadLocal内部类](https://my-blog-to-use.oss-cn-beijing.aliyuncs.com/2019-6/ThreadLocal内部类.png)
+![ThreadLocal内部类](images/ThreadLocal内部类.png)
 
 ### 3.4. ThreadLocal 内存泄露问题
 
diff --git a/docs/java/Multithread/images/ThreadLocal内部类.png b/docs/java/Multithread/images/ThreadLocal内部类.png
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