diff --git a/README.md b/README.md
index 01ab88f..a1a43f2 100644
--- a/README.md
+++ b/README.md
@@ -1,16 +1,13 @@
-<!---Logo--->
-# Leetcode
-
-
 <!---Logo--->
 <h1 align="center">
       <br><a href="http://yuzhoujr.com"><img src="http://yuzhoujr.com/legacy/image/logo.jpg" alt="yuzhoujr" width="200"></a>
 </h1>
-
+ 
 <!---Mentra--->
-公瑾目前正在刷题，每天的计划可以点 [这里](https://github.com/yuzhoujr/leetcode/projects/1)，按照Tag过一遍常见算法，然后我会把本页的Markdown重新改版，从各个知识点做整合，然后录制相对应的YouTube视频。
-
-
+<p align="center">
+      公瑾现在提供以下服务哟！Contact me @ yu.zhou.jr@gmail.com <br>
+      http://yuzhoujr.com/legacy/dummynode.pdf
+</p>
 <!---svg--->
 <p align="center">
   <a href="#backers" alt="sponsors on Open Collective"><img src="https://opencollective.com/leetcode/backers/badge.svg" /></a> <a href="#sponsors" alt="Sponsors on Open Collective"><img src="https://opencollective.com/leetcode/sponsors/badge.svg" /></a> <img src="https://img.shields.io/badge/language-Python-yellow.svg?style=flat-square">
@@ -23,24 +20,18 @@
 <br>
 
 
-## Mock Interview 经验 + 反馈
+## Mock Interview 经验 + 反馈 
 
 * Google面试官的反馈: [Dropbox链接](https://paper.dropbox.com/doc/GMock-Interview--AIMRqf_e~KjKAe47PIvkVrN6AQ-8teeNVpJ2oq8s6nODLKQd)
 * Yahoo电面反馈: [Dropbox链接](https://paper.dropbox.com/doc/95-Yahoo--AMA9j51_WIY9uAzybM9E0QLSAQ-t0hgbpyY11v0NvI3bcEf9)
-* Facebook电面反馈: Coming Soon
-* Linkedin电面反馈: Coming Soon
-* Airbnb电面反馈: Coming Soon
-
 
 
-## Onsite 经验 + 反馈
-* Google Coming Soon
-* Yahoo  Coming Soon
-
-<br><br><br>
+## Journey
 
+[时间线](https://gist.github.com/yuzhoujr/cf7c0ebdc0b3b471ddac94a862a0ecd9)
 
 
+<br><br><br>
 
 
 
diff --git a/os/README.md b/os/README.md
new file mode 100644
index 0000000..77356c3
--- /dev/null
+++ b/os/README.md
@@ -0,0 +1 @@
+test