string(265) "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%E6%80%8E%E4%B9%88%E9%A9%AC%E4%B8%8A%E5%A2%9E%E5%8A%A0%E7%94%9F%E6%95%88 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
淘气值怎么马上增加生效
