string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%9C%BA%E7%9F%AD%E4%BF%A1%E4%B8%80%E7%9B%B4%E6%9C%89%E5%9E%83%E5%9C%BE%E7%9F%AD%E4%BF%A1 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
手机短信一直有垃圾短信
