cikichen · pull · Oct 27, 2020 · Oct 27, 2020 · Oct 27, 2020
diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 👍推荐 [在线阅读](https://snailclimb.gitee.io/javaguide)  (Github 访问速度比较慢可能会导致部分图片无法刷新出来) 
 
-👍 图解操作系统+HTTP+计算机网络的 PDF 资料[点此链接即可下载](https://cowtransfer.com/s/fbed14f0c22a4d)。
+👍 [点此链接即可下载：图解Java+操作系统+HTTP+计算机网络的 PDF 资料](#优质原创PDF资源)。
 
 ## 一些闲话：
 
@@ -183,8 +183,8 @@
 
 算法这部分内容非常重要，如果你不知道如何学习算法的话，可以看下我写的：
 
-- [《硬核的算法学习书籍+资源推荐》](docs/dataStructures-algorithms/算法学习资源推荐.md) 。
-- [如何刷Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374)
+- [算法学习书籍+资源推荐](https://www.zhihu.com/question/323359308/answer/1545320858) 。
+- [如何刷Leetcode?](https://www.zhihu.com/question/31092580/answer/1534887374) 
 
 **常见算法问题总结：**
 
@@ -433,6 +433,12 @@ CAP 也就是 Consistency（一致性）、Availability（可用性）、Partiti
 - [ ] 数据结构总结重构
 - [ ] 将 JavaGuide 的基础知识部分抽出来单独弄一个 CS-Guide
 
+### 优质原创PDF资源
+
+一些计算机基础+Java的原创PDF下载地址: https://pan.baidu.com/s/1H-tR39b9UYHPWRGm1V0-1Q  密码: 8djk
+
+![](https://cdn.jsdelivr.net/gh/javaguide-tech/blog-images-2@main/%E8%AE%A1%E7%AE%97%E6%9C%BA%E4%B8%93%E4%B8%9A/image-20201027160348395.png)
+
 ### 联系我
 
 ![个人微信](https://cdn.jsdelivr.net/gh/javaguide-tech/blog-images/2020-08/wechat3.jpeg)

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diff --git a/docs/dataStructures-algorithms/算法学习资源推荐.md b/docs/dataStructures-algorithms/算法学习资源推荐.md