diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..8c0157c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025  gitcode.com
+
+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 4f8e637..beb3a68 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,8 @@
 # test-pr-code-review
+
 A repository for practicing and learning the GitHub pull request and code review workflow.
+
+
+## Security Notice
+
+See [Security Notice](Security.md)
\ No newline at end of file
diff --git a/Security.md b/Security.md
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index 0000000..073941c
--- /dev/null
+++ b/Security.md
@@ -0,0 +1,7 @@
+Security Content
+
+1. 安全公告
+2. 安全说明
+3. 负责人
+4. 安全规则
+