diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..78a449e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,35 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+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 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.
+
+For more information, please refer to <https://unlicense.org>
+
+-----------------------------------------------------------------------------
+中文(非官方翻译，仅供参考)：
+
+此软件已被释放到公共领域。任何人可出于任何目的（商业或非商业）自由复制、修改、发布、使用、编译、销售或再分发本软件的源代码或二进制形式。
+
+在承认著作权的法域内，作者已不可撤销地将其在本软件中的全部著作权利益奉献给公共领域，放弃一切现在与未来的相关权利。
+
+本软件“按原样”提供，不附带任何明示或暗示的保证，包括但不限于适售性、特定用途适用性及不侵权的保证。在任何情况下，作者不对因使用本软件或与本软件有关的行为产生的任何索赔、损害或其他责任负责。
+
+更多信息见 https://unlicense.org
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diff --git a/README.md b/README.md
index 08210de..0ca3b91 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@
 | CPU/内存显示异常 | 未统一单位/百分比换算 |
 
 ## 许可
-建议使用 MIT（自行添加 LICENSE）。
+本项目使用 Unlicense（公共领域 / 无限制），详见 `LICENSE` 文件。
 
 ## 致谢
 哪吒探针及相关开源生态。
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