diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..2038e76
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+# 行尾规范：文本文件统一 LF，Windows 批处理保留 CRLF
+* text=auto eol=lf
+*.bat text eol=crlf
+*.cmd text eol=crlf