diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..458cdec
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,10 @@
+# 跨平台行尾规范：文本统一 LF，二进制不转换
+* text=auto eol=lf
+
+*.png  binary
+*.tif  binary
+*.tiff binary
+*.data binary
+*.tar  binary
+*.xlsx binary
+*.docx binary