string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E4%BF%A1%E6%AD%A5%E6%95%B0%E6%98%AF%E5%A6%82%E4%BD%95%E6%A3%80%E6%B5%8B%E7%9A%84 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
微信步数是如何检测的
