计划任务备份网站提示超时

Traceback (most recent call last):  File "/www/server/panel/script/backup.py", line 167, in <module>    else:  File "/www/server/panel/script/backup.py", line 33, in backupSite      File "/www/server/panel/script/backup.py", line 141, in updateFtp    file_handler = open(filename,'rb')  File "/www/server/panel/script/backup.py", line 133, in connentFtp    ftp.login('uptest','admin')  File "/usr/lib64/python2.7/ftplib.py", line 135, in connect    self.sock = socket.create_connection((self.host, self.port), self.timeout)  File "/usr/lib64/python2.7/socket.py", line 571, in create_connection    raise errsocket.error: [Errno 110] Connection timed out

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