diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 5d947ca8879f8a9072fe485c566204e3c2929e80..0000000000000000000000000000000000000000
--- a/.gitignore
+++ /dev/null
@@ -1,18 +0,0 @@
-# Build and Release Folders
-bin-debug/
-bin-release/
-[Oo]bj/
-[Bb]in/
-
-# Other files and folders
-.settings/
-
-# Executables
-*.swf
-*.air
-*.ipa
-*.apk
-
-# Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
-# should NOT be excluded as they contain compiler settings and other important
-# information for Eclipse / Flash Builder.
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diff --git "a/mysql\347\273\203\344\271\240/6DO%O$]IC5AHKD_C(~4K3HA.png" "b/3.08mysql\347\273\203\344\271\240/6DO%O$]IC5AHKD_C(~4K3HA.png"
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diff --git a/README.en.md b/README.en.md
deleted file mode 100644
index f561fac3146543fe7aa5db86223d59148721a22f..0000000000000000000000000000000000000000
--- a/README.en.md
+++ /dev/null
@@ -1,36 +0,0 @@
-# 2019级计应班笔记
-
-#### Description
-2019级计应班笔记和练习
-
-#### Software Architecture
-Software architecture description
-
-#### Installation
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Instructions
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Contribution
-
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
-
-
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/README.md b/README.md
deleted file mode 100644
index 653463b0752249894e674964b4787e25bc93b59b..0000000000000000000000000000000000000000
--- a/README.md
+++ /dev/null
@@ -1,37 +0,0 @@
-# 2019级计应班笔记
-
-#### 介绍
-2019级计应班笔记和练习
-
-#### 软件架构
-软件架构说明
-
-
-#### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  Gitee 官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解 Gitee 上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是 Gitee 最有价值开源项目，是综合评定出的优秀开源项目
-5.  Gitee 官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  Gitee 封面人物是一档用来展示 Gitee 会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git "a/\345\260\217\347\272\242/20210305/git\347\254\224\350\256\260.md" "b/\345\260\217\347\272\242/20210305/git\347\254\224\350\256\260.md"
deleted file mode 100644
index d67268d44e8d4df30e2bee7f2a588e8b106814e7..0000000000000000000000000000000000000000
--- "a/\345\260\217\347\272\242/20210305/git\347\254\224\350\256\260.md"
+++ /dev/null
@@ -1,3 +0,0 @@
-1. 了解fork
-2. 了解码云组织
-3. 
\ No newline at end of file
diff --git "a/\345\260\217\347\272\242/20210305/\347\231\273\345\275\225\351\241\265\351\235\242/css/main.css" "b/\345\260\217\347\272\242/20210305/\347\231\273\345\275\225\351\241\265\351\235\242/css/main.css"
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index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
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diff --git "a/\345\260\217\347\272\242/20210308/mysql\347\254\224\350\256\260.txt" "b/\345\260\217\347\272\242/20210308/mysql\347\254\224\350\256\260.txt"
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index 180dbee6c5474ea5de6af3804325349f65968711..0000000000000000000000000000000000000000
--- "a/\345\260\217\347\272\242/20210308/mysql\347\254\224\350\256\260.txt"
+++ /dev/null
@@ -1,3 +0,0 @@
-1. �˽�mysql��ʲô��
-2. ���⽨�������
-������
\ No newline at end of file
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index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000