diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..be82c4d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+CaelLab BY-SA Code License
+
+Copyright (c) 2026 Yunyun(云云) By 虚舟实验室(CaelLab)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this work (the "Work"), to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Work, for personal, commercial, or
+non-commercial purposes, subject to the following conditions:
+
+1. Source Availability: If you distribute the Work, or any derivative work
+   based on the Work, you must make the complete corresponding source code
+   available under the terms of this same license.
+
+2. License Preservation: The above copyright notice and this permission notice
+   shall be included in all copies or substantial portions of the Work.
+
+3. ShareAlike: Any distributed derivative work must be licensed under the
+   CaelLab BY-SA Code License.
+
+THE WORK 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.
\ No newline at end of file
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,74 @@
-# GoodPlanCraftLaunCher
-GPCL是简洁高效的 Minecraft 启动器。
+# GoodPlanCraftLaunCher (GPCL)
+
+简洁高效的 Minecraft 启动器。
+
+## 制作方法
+
+使用[Electron](https://www.electronjs.org/zh/docs/latest/)进行制作。
+
+## 安装
+
+### 从源码构建
+
+```bash
+git clone https://github.com/yunyun-3782/GoodPlanCraftLaunCher.git
+```
+
+### 预编译版本
+
+前往 [Releases](https://github.com/yunyun-3782/GoodPlanCraftLaunCher/releases/) 下载对可执行文件。
+
+## 使用
+
+### 源
+```cmd
+cd 项目根文件夹
+
+#启动 GPCL
+npm run start
+
+#编译、构建 GPCL
+npm run build
+```
+
+### 预编译版本
+
+```bash
+#直接打开可执行（如.exe）文件
+```
+
+## 贡献
+
+欢迎提交 不同意见，同时欢迎开发 衍生 版本。
+
+## 许可证
+
+本项目采用 [CaelLab BY-SA Code License](https://www.caellab.com/license/bysa-code) 授权。
+
+```
+CaelLab BY-SA Code License
+Copyright (c) 2026 Yunyun(云云) By 虚舟实验室(CaelLab)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this work (the "Work"), to use, copy, modify, merge, publish, distribute,
+sublicense, and/or sell copies of the Work, for personal, commercial, or
+non-commercial purposes, subject to the following conditions:
+
+1. Source Availability: If you distribute the Work, or any derivative work
+   based on the Work, you must make the complete corresponding source code
+   available under the terms of this same license.
+
+2. License Preservation: The above copyright notice and this permission notice
+   shall be included in all copies or substantial portions of the Work.
+
+3. ShareAlike: Any distributed derivative work must be licensed under the
+   CaelLab BY-SA Code License.
+
+THE WORK 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.
+```
+
+---
+
+**GoodPlanCraftLaunCher** — 让 Minecraft 启动更简单。