string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9F%AD%E4%BF%A1%E8%80%81%E6%98%AF%E6%9C%89%E4%BA%9B%E5%9E%83%E5%9C%BE%E5%B9%BF%E5%91%8A => Failed to connect to 101.91.112.32 port 38162: Connection refused"
短信老是有些垃圾广告
