diff --git a/README.md b/README.md
index 158ebb83b85f1fc4876ecb7603f0a16aeec5e40b..87a2030b1d05a95bfb13ff6e1ba8fef380f874ca 100644
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+++ b/README.md
@@ -2,12 +2,11 @@
 
 > 项目仓库   https://gitee.com/xy180/java-book
 
-### 笔记
-
-- 地址   https://gitee.com/xy180/MyNotes
-
-### 项目实例
-
-- 地址   https://gitee.com/xy180/hoomi-crowd-sourcing
+此仓库保存java相关书籍，涉及java基础、虚拟机、算法、数据库、linux、代码重构等等。
 
 
+> 备份网址
+- [坚果云]( https://www.jianguoyun.com )
+- [百度网盘]( https://pan.baidu.com/ )
+- [钉钉云盘]( https://im.dingtalk.com/ )
+- [阿里云个人邮箱]( https://mail.aliyun.com/alimail/auth/login )
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