add：添加一个自动生成脚本。

.gitignore

@@ -1,3 +1,4 @@
 downloads
 *.exe
 .DS_Store
+build

build.bat

@@ -0,0 +1,44 @@
+@echo off
+REM 设置Go程序的文件名和输出目录
+set SOURCE_FILE=main.go
+set OUTPUT_DIR=build
+
+REM 定义版本号
+set VERSION=v1.0
+
+REM 检查是否存在输出目录，如果不存在则创建
+if not exist %OUTPUT_DIR% (
+    mkdir %OUTPUT_DIR%
+)
+
+REM 构建 32 位 Windows 版本
+echo Building 32-bit Windows version...
+set GOOS=windows
+set GOARCH=386
+go build -o %OUTPUT_DIR%\tooldown_%VERSION%.win.x86.exe %SOURCE_FILE%
+if %ERRORLEVEL% neq 0 (
+    echo Failed to build 32-bit Windows version.
+    exit /b 1
+)
+
+REM 构建 64 位 Windows 版本
+echo Building 64-bit Windows version...
+set GOARCH=amd64
+go build -o %OUTPUT_DIR%\tooldown_%VERSION%.win.x64.exe %SOURCE_FILE%
+if %ERRORLEVEL% neq 0 (
+    echo Failed to build 64-bit Windows version.
+    exit /b 1
+)
+
+REM 构建 64 位 Linux 版本
+echo Building 64-bit Linux version...
+set GOOS=linux
+set GOARCH=amd64
+go build -o %OUTPUT_DIR%\tooldown_%VERSION%.linux.x64 %SOURCE_FILE%
+if %ERRORLEVEL% neq 0 (
+    echo Failed to build 64-bit Linux version.
+    exit /b 1
+)
+
+echo All builds completed successfully!
+exit /b 0

main.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"runtime"
 	"sort"
 	"strings"
 )
@@ -32,6 +33,10 @@ type Asset struct {
 }
 
 func main() {
+
+	fmt.Printf("GOARCH: %s\n", runtime.GOARCH)
+	fmt.Printf("GOOS: %s\n", runtime.GOOS)
+
 	// 选择仓库
 	repo := chooseRepository(repositories)
 	apiURL := convertToAPIURL(repo)