可以帮助做到安装mah了

.gitignore

@@ -2,4 +2,4 @@
 !*.go
 mcl
 mcl.*
-test
+test*

checkJRE.go

@@ -41,6 +41,21 @@ func checkJRE() {
 }
 
 func checkJavaBin() bool {
+
+	switch runtime.GOOS {
+	case "macos":
+		matches, err := filepath.Glob("./jre/*/Contents/Home/bin/*")
+		if err == nil && len(matches) != 0 {
+			javaPath, _ = filepath.Split(matches[0])
+		}
+	default:
+		matches, err := filepath.Glob("./jre/*/bin/*")
+		if err == nil && len(matches) != 0 {
+			javaPath, _ = filepath.Split(matches[0])
+		}
+
+	}
+
 	jpath, err := exec.LookPath(JAVA)
 	if err != nil {
 		return false
@@ -94,17 +109,18 @@ func download_java() error {
 		if r.MatchString(link) {
 			name = link
 			arch_url = url + link
+			break
 		}
 	}
 	downloadFile(name, arch_url)
 	unpack(name, "./jre/")
 	switch runtime.GOOS {
 	case "macos":
 		matches, _ := filepath.Glob("./jre/*/Content/bin/*")
-		javaPath, _ = filepath.Split(matches[0])
+		javaPath = filepath.Dir(matches[0])
 	default:
 		matches, _ := filepath.Glob("./jre/*/bin/*")
-		javaPath, _ = filepath.Split(matches[0])
+		javaPath = filepath.Dir(matches[0])
 	}
 	log.Printf("已自动配置Java环境，请手动将%s添加到环境变量中", javaPath)
 	return nil

check_mcl.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+const (
+	REPOURL = "iTXTech/mirai-console-loader"
+	MCL_ZIP = "mcl.zip"
+)
+
+var MCL_BASE_ARG = []string{"-jar", "mcl.jar"}
+
+func check_mcl() {
+	if _, err := os.Stat("mcl.jar"); err != nil {
+		get_mcl()
+		first_run_mcl()
+	}
+}
+
+func get_mcl() {
+	if _, err := os.Stat(MCL_ZIP); err != nil {
+		download_mcl()
+	}
+	err := unpack(MCL_ZIP, ".")
+	if err != nil {
+		log.Panicf("解压失败：%s", err)
+	}
+	os.Remove(MCL_ZIP)
+}
+
+func download_mcl() {
+	downUrl, err := get_latest_version_url(REPOURL, 0)
+	if err != nil {
+		log.Panic(err)
+	}
+	err = downloadFile(MCL_ZIP, downUrl)
+	if err != nil {
+		log.Panicf("下载失败：%s", err)
+	}
+}
+
+func first_run_mcl() {
+	args := append(MCL_BASE_ARG, os.Args...)
+	cmd := exec.Command(javaPath+JAVA, args...)
+	cmd.Stdin = os.Stdin
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		log.Fatal(err)
+	}
+	cmd.Stderr = os.Stderr
+	err = cmd.Start()
+	if err != nil {
+		log.Panic(err)
+	}
+	go wait_first_complete(stdout)
+	cmd.Wait()
+	args = append(MCL_BASE_ARG, "--update-package net.mamoe:mirai-api-http --channel stable --type plugin")
+	cmd = exec.Command(javaPath+JAVA, args...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Run()
+}
+
+func wait_first_complete(r io.Reader) {
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		text := scanner.Text()
+		if strings.Contains(text, "mirai-console started successfully.") {
+			fmt.Print("麻烦您手动输一下stop并回车，谢谢了")
+		}
+		fmt.Println(text)
+	}
+}

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"os"
 	"os/exec"
 )
@@ -10,11 +9,10 @@ var javaPath string
 
 func main() {
 	checkJRE()
-	if _, err := os.Stat("mcl.jar"); err != nil {
-		get_mcl()
-	}
-	fmt.Println(javaPath + JAVA)
-	cmd := exec.Command(javaPath+JAVA, "-jar", "mcl.jar")
+	check_mcl()
+	args := []string{"-jar", "mcl.jar"}
+	args = append(args, os.Args...)
+	cmd := exec.Command(javaPath+JAVA, args...)
 	cmd.Stdin = os.Stdin
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr