diff --git a/.gitattributes b/.gitattributes
index fefbae4..42b210a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,5 +3,8 @@
 deploy/** text eol=lf
 # 文档统一 LF，避免 Windows 编辑后产生 CRLF 脏 diff
 docs/** text eol=lf
+# XMind 为 ZIP 二进制；须覆盖上面 docs/** 的 text/eol，否则入库会损坏打不开
+*.xmind -text -diff -merge -eol
+docs/**/*.xmind -text -diff -merge -eol
 # .env 模板统一 LF，避免 Linux PM2 source 报 $'\r': command not found
 **/.env.example text eol=lf
diff --git a/docs/交易执行手册与行为准则.xmind b/docs/交易执行手册与行为准则.xmind
index 099a60d..7fd79e7 100644
Binary files a/docs/交易执行手册与行为准则.xmind and b/docs/交易执行手册与行为准则.xmind differ