string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BD%95%E9%9F%B3%E6%96%87%E4%BB%B6%E5%A6%82%E4%BD%95%E9%80%9A%E8%BF%87%E5%BE%AE%E4%BF%A1%E5%8F%91%E9%80%81 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
录音文件如何通过微信发送
