diff --git a/LICENSE b/LICENSE
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+++ b/LICENSE
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+MIT License
+
+Copyright (c) 2021 Mason Shi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
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+++ b/README.md
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+# typora Cracker
+
+![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FMas0nShi%2FtyporaCracker.svg?type=shield)
+![GitHub](https://img.shields.io/github/license/Mas0nShi/typoraCracker)
+
+A extract & decryption and pack & encryption tools for typora.
+
+中文说明请戳[这里](README_CN.md)
+
+## WARNING
+
+**NOTE: typoraCracker doesn't provide support for crack.**
+
+```
+FOR STUDY AND DISCUSSION ONLY, PLEASE DO NOT ENGAGE IN ANY ILLEGAL ACTS.
+ANY PROBLEMS ARISING FROM THIS WILL BE BORNE BY THE USER (YOU).
+```
+
+## Features
+- Supports Version 1.0.0+ (At least for now.)
+- tested fine in Windows, Ubuntu
+
+## Usage
+
+1. `pip install -r requirements.txt`
+2. `python typora.py --help`
+3. read and use.
+4. do something.
+5. pack and replace app.asar.
+6. enjoy it.
+
+
+## Example
+
+```shell
+> python typora.py --help
+usage: typora.py [-h] [-u] [-f] asarPath dirPath
+
+[extract and decryption / pack and encryption] app.asar file from [Typora].
+
+positional arguments:
+  asarPath    app.asar file path/dir [input/ouput]
+  dirPath     as tmp and out directory.
+
+optional arguments:
+  -h, --help  show this help message and exit
+  -u          pack & encryption (default: extract & decryption)
+  -f          enabled prettify/compress (default: disabled)
+
+If you have any questions, please contact [ MasonShi@88.com ]
+
+> python typora.py {installRoot}/Typora/resources/app.asar workstation/outfile/
+⋯
+# (patch code by yourself in workstation/outfile/dec_app)
+> python typora.py -u workstation/outfile/dec_app workstation/outappasar
+⋯
+> cp {installRoot}/Typora/resources/app.asar {installRoot}/Typora/resources/app.asar.bak
+> mv workstation/outappasar/app.asar {installRoot}/Typora/resources/app.asar
+> node example/keygen.js
+XXXXXX-XXXXXX-XXXXXX-XXXXXX
+> typora
+# (input info)
+email: crack@example.com
+serial: XXXXXX-XXXXXX-XXXXXX-XXXXXX
+```
+
+## LICENSE
+ MIT LICENSE
+
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2FMas0nShi%2FtyporaCracker.svg?type=large)](https://app.fossa.com/projects/git%2Bgithub.com%2FMas0nShi%2FtyporaCracker?ref=badge_large)
diff --git a/README_CN.md b/README_CN.md
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+# typora Cracker
+
+一个typora的解包&解密，打包&加密工具
+
+## 敬告
+
+**请注意：** typoraCracker不会提供破解相关支持，包括但不限于思路、流程、成品。
+
+```
+仅供学习和讨论，请不要从事任何非法行为。
+由此产生的任何问题都将由用户（您）承担。
+```
+
+## Features
+
+- 支持版本1.0.0以上(至少现在是这样)
+- 测试通过平台：Win/Ubuntu
+
+## 食用方式
+
+1. `pip install -r requirements.txt`
+2. `python typora.py --help`
+3. 阅读帮助文档及使用。
+4. 做你想做的事。
+5. 打包并替换原目录下的 app.asar。 
+6. 享受成果。
+
+
+## 示例
+
+```shell
+> python typora.py --help
+usage: typora.py [-h] [-u] [-f] asarPath dirPath
+
+[extract and decryption / pack and encryption] app.asar file from [Typora].
+
+positional arguments:
+  asarPath    app.asar file path/dir [input/ouput]
+  dirPath     as tmp and out directory.
+
+optional arguments:
+  -h, --help  show this help message and exit
+  -u          pack & encryption (default: extract & decryption)
+  -f          enabled prettify/compress (default: disabled)
+
+If you have any questions, please contact [ MasonShi@88.com ]
+
+> python typora.py {installRoot}/Typora/resources/app.asar workstation/outfile/
+⋯
+# (patch code by yourself in workstation/outfile/dec_app)
+> python typora.py -u workstation/outfile/dec_app workstation/outappasar
+⋯
+> cp {installRoot}/Typora/resources/app.asar {installRoot}/Typora/resources/app.asar.bak
+> mv workstation/outappasar/app.asar {installRoot}/Typora/resources/app.asar
+> node example/keygen.js
+XXXXXX-XXXXXX-XXXXXX-XXXXXX
+> typora
+# (input info)
+email: crack@example.com
+serial: XXXXXX-XXXXXX-XXXXXX-XXXXXX
+```
+
+## LICENSE
+ MIT LICENSE