recover error changes.

README.md

@@ -1,16 +1,42 @@
-## 学习过程
+# The Missing Semester of Your CS Education 
 
-### C++
-- 了解了类、继承和多态的概念。了解了区别于 C 的不同输出输入方式，学习了像重载之类的更多样的功能。
+Website for the [The Missing Semester of Your CS Education](https://missing.csail.mit.edu/) class!
 
-### Vim
-- 之前一直要用键盘一个一个去调光标，后来才知道原来有快捷键，理论上可以实现不用鼠标的操作。
+[中文站点](https://missing-semester-cn.github.io)(<span style="float:right"><img src = "https://img.shields.io/badge/最近一次与英文版同步-2021--04--24-green"></span>)
 
-### Shell
-- 发现可以写一些重复性的程序来节省时间，回归计算机的原始需求了。
 
-### 数据整理
-- 了解到可以只筛选出自己需要的数据，可以节省很多时间。
+Contributions are most welcome! If you have edits or new content to add, please
+open an issue or submit a pull request.
 
-### Git
-- 很有趣的团队代码开发方案，而且可以记录，查看每一次修改。
+## Development
+
+To build and view the site locally, run:
+
+```bash
+bundle exec jekyll serve -w
+```
+
+## License
+
+All the content in this course, including the website source code, lecture notes, exercises, and lecture videos is licensed under Attribution-NonCommercial-ShareAlike 4.0 International [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/). See [here](https://missing.csail.mit.edu/license) for more information on contributions or translations.
+
+-----------------
+
+## Project Status
+
+To contribute to this tanslation project, please book your topic by creating an issue and I will update this table accordingly to avoid rework.
+
+|  lectures   | translator  | status |
+|  ----  | ----  |----  |
+| [course-shell.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/course-shell.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [shell-tools.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/shell-tools.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [editors.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/editors.md)  |  [@stechu](https://github.com/stechu) | Done |
+| [data-wrangling.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/data-wrangling.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [command-line.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/command-line.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [version-control.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/version-control.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [debugging-profiling.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/debugging-profiling.md)  |[@Lingfeng AI](https://github.com/hanxiaomax)  | Done  |
+| [metaprogramming.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/metaprogramming.md)  | [@Lingfeng AI](https://github.com/hanxiaomax) | Done |
+| [security.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/security.md)  | [@catcarbon](https://github.com/catcarbon) | Done |
+| [potpourri.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/potpourri.md) |  [@catcarbon](https://github.com/catcarbon) | Done |
+| [qa.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/_2020/qa.md) | [@AA1HSHH](https://github.com/AA1HSHH) | Done |
+| [about.md](https://github.com/missing-semester-cn/missing-semester-cn.github.io/blob/master/about.md)  | [@Binlogo](https://github.com/Binlogo)  | Done |