string(276) "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%E8%80%81%E6%98%AF%E6%94%B6%E5%88%B0%E5%9E%83%E5%9C%BE%E7%9F%AD%E4%BF%A1 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
手机短信老是收到垃圾短信
