string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wxid%E5%A6%82%E4%BD%95%E8%BD%AC%E6%8D%A2%E4%BA%8C%E7%BB%B4%E7%A0%81 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
wxid如何转换二维码
