sudo: ./rploader.sh: command not found tc@box:~$ tc@box:~$ sudo ./rploader.sh fullupgrade now -sh: tc@box:~$: not found tc@box:~$ sudo: ./rploader.sh: command not found -sh: sudo:: not found tc@box:~$ tc@box:~$ -sh: tc@box:~$: not found tc@box:~$ 这个是什么原因