diff --git a/.gitignore b/.gitignore
index a5698a6..29c27e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,9 @@ htmlcov/
 .coverage
 .coverage.*
 *.coverag
+
+# 说明文档（不随代码仓库分发）
+CHANGELOG.md
+README.md
+*.md
+!requirements.txt