搬瓦工 VPS， CentOS release 5.10，安装 AMH 面板时按提示键入 1 无法安装，求大神帮忙

Root shell-basic 输入命令 [ wget http://amysql.com/file/AMH/4.2/amh.sh; chmod 775 amh.sh; ./amh.sh 2>&1 | tee amh.log; ] 按回车键 安装AMH（[Notice] Confirm Install/Uninstall AMH? please select: (1~3)
1) Install AMH 4.2
2) Uninstall AMH 4.2
3) Exit
#?
[Notice] Confirm Install/Uninstall AMH? please select: (1~3)
1) Install AMH 4.2
2) Uninstall AMH 4.2
3) Exit
#?
[Notice] Confirm Install/Uninstall AMH? please select: (1~3)
1) Install AMH 4.2
2) Uninstall AMH 4.2
3) Exit
#?
Exit code: 0
[root /]# 1
/bin/bash: 1: command not found
Exit code: 127