diff --git a/README.md b/README.md
index 90bcb88..1238859 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 # Difficult Rocket
 
+[中文](./docs/README-cn.md) | English
+
+[comment]: <> (中文 | [English]&#40;https://github.com/shenjackyuanjie/Difficult-Rocket&#41;.)
+
 - [github](https://github.com/shenjackyuanjie/Difficult-Rocket)
 - [gitee](https://gitee.com/shenjackyuanjie/Difficult-Rocket)
 
diff --git a/docs/README-cn.md b/docs/README-cn.md
index 947df83..6571c37 100644
--- a/docs/README-cn.md
+++ b/docs/README-cn.md
@@ -1,5 +1,9 @@
 # Difficult Rocket
 
+[comment]: <> ([中文]&#40;./docs/README-cn.md&#41; | English)
+
+中文 | [English](https://github.com/shenjackyuanjie/Difficult-Rocket).
+
 - [github](https://github.com/shenjackyuanjie/Difficult-Rocket)
 - [gitee](https://gitee.com/shenjackyuanjie/Difficult-Rocket)
 
@@ -14,7 +18,6 @@
 <br/>[![Generic badge](https://img.shields.io/badge/Pre_Release-0.6.1-blue.svg)](https://github.com/shenjackyuanjie/Difficult-Rocket/releases)
 <br/>![Generic badge](https://img.shields.io/badge/Devloping-0.6.2-blue.svg)
 
-### For an English version of readme, please move [here](https://github.com/shenjackyuanjie/Difficult-Rocket).
 
 > 这是一个用Python制作的类Simple Rocket游戏(简称：火箭模拟器)
 
diff --git a/docs/update_logs.md b/docs/update_logs.md
index 3736eea..87a6bb8 100644
--- a/docs/update_logs.md
+++ b/docs/update_logs.md
@@ -15,16 +15,20 @@
 - [![Readme-gitee](https://img.shields.io/badge/Readme-中文(点我!)-blue.svg?style=flat-square)](README-cn.md)
 - Using [SemVer 2.0.0](https://semver.org/) to manage version
 
-## ~~202111 202112xx~~ 20220119 V 0.6.1
+## ~~202111 202112xx 20220119~~ 20220207 V 0.6.1
 
 ~~争取12月内发一个release~~
 
-行了，这都2022年了，我接着摸，等我考完试(20220110)再发
+~~行了，这都2022年了，我接着摸，等我考完试(20220110)再发~~
+
+20220207 可算是发了，ruaaaa
 
 ### Change
 
-- 更新了所有文件的版权信息
-  - Update all files copyright information
+- 修改了 readme 文件的语言切换格式
+  - Change the language switch format in readme
+- 更新了所有文件的版权信息 (2021-2022)
+  - Update all files copyright information (2021-2022)
 - 重命名 `Difficult_Rocket.py` -> `DR.py`
   - 用于修复 `Pycharm` 检测模块时总是会把主文件检测成主程序，导致一些模块总是检测不到的问题
     - Rename `Difficult_Rocket.py` -> `DR.py`