我有這個(gè)應(yīng)用程序需要 ping google.com 以查看網(wǎng)絡(luò)連接是否有效。以下工作代碼正常并列出目錄內(nèi)容：cmd = exec.Command("ls", "-lah")var stdout, stderr bytes.Buffercmd.Stdout = &stdoutcmd.Stderr = &stderrerr = cmd.Run()if err != nil {    log.Fatalf("cmd.Run() failed with %s\n", err)}outStr, errStr := string(stdout.Bytes()), string(stderr.Bytes())fmt.Printf("out:\n%s\nerr:\n%s\n", outStr, errStr)當(dāng)我更改參數(shù)時(shí)，它會(huì)掛起。cmd = exec.Command("ping", "goole.com")這會(huì)導(dǎo)致錯(cuò)誤：cmd.Run() failed with exit status 2cmd = exec.Command("ping", "https://www.goole.com")在我將 args 更改為：cmd = exec.Command("ping -c 5", "goole.com")我得到cmd.Run() 因 exec 失?。骸皃ing -c 5”：在 $PATH 中找不到可執(zhí)行文件我正在為我的依賴(lài)項(xiàng)使用 go mod。知道我做錯(cuò)了什么嗎？