diff --git a/build.sh b/build.sh
new file mode 100644
index 0000000..0e2bdd0
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+# 构建脚本：交叉编译 Linux amd64 二进制
+GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -ldflags="-s -w" -o app
+chmod +x app
+echo "构建完成: ./app"