fix: nohup延迟2s后执行安装

src/modules/network_element/service/ne_version.go

@@ -270,8 +270,8 @@ func (r NeVersion) operateCommand(action, neType string, neFilePaths []string) (
 
 		// 写入脚本文件
 		file.WriterFileTXT(fmt.Sprintf("#!/bin/bash\n%s", strings.Join(omcStrArr, " && ")), "/usr/local/etc/omc/script/omc_exec.sh")
-		// 执行omc相关命令
-		cmdStrArr = append(cmdStrArr, "sudo systemctl start omc-exec \n")
+		// 2s后执行omc相关命令
+		cmdStrArr = append(cmdStrArr, "nohup sh -c \"sleep 2s && systemctl start omc-exec\" & \n")
 		cmdStrArr = append(cmdStrArr, fmt.Sprintf("echo '%s' \n", okFlagStr))
 		return okFlagStr, cmdStrArr, nil
 	} else if neType == "IMS" {