diff --git a/.github/workflows/auto-build-and-release.yml b/.github/workflows/auto-build-and-release.yml
index 28afd72..a0fc1de 100644
--- a/.github/workflows/auto-build-and-release.yml
+++ b/.github/workflows/auto-build-and-release.yml
@@ -43,7 +43,7 @@ jobs:
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
           automatic_release_tag: "latest"
           prerelease: false
-          title: "Auto Release"
+          title: "点击这里下载编译好的PDF文件!"
           files: |
             main.pdf
 
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..bbe660c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2023 Social_Mean
+
+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
index 76d3e9d..5e0ac18 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 这是同济大学 2023 年春统计物理随堂小测题.
 
+# 下载链接
+现已完结, [点我](https://github.com/Social-Mean/Thermodynamics-and-Statistical-Physics/releases/download/latest/main.pdf)下载.
+
+
 # 当前进度
 
 - [x] 小测 1
@@ -25,4 +29,6 @@
 
 # Star History
 
+如果感觉有帮助的话, 不妨点个 star 再走吧!
+
 [![Star History Chart](https://api.star-history.com/svg?repos=Social-Mean/Thermodynamics-and-Statistical-Physics&type=Date)](https://star-history.com/#Social-Mean/Thermodynamics-and-Statistical-Physics&Date)