string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E6%B0%94%E5%80%BC%E5%A4%9A%E4%B9%85%E5%8F%AF%E4%BB%A5%E5%88%B01000 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
淘气值多久可以到1000
