ip.txt扫描时报错 gaierror: [Errno 11001] getaddrinfo failed

[Cecilia-tsao]

第一次是成功的，后面每次扫描都直接报以下错误，怎么解决呀。。。
Exception in thread Thread-1:
Traceback (most recent call last):
File "C:\Python27\lib\threading.py", line 801, in __bootstrap_inner
self.run()
File ".\F-NAScan.py", line 45, in run
self.Sock.sendto(self.packet, (ip, 0))
gaierror: [Errno 11001] getaddrinfo failed