string(253) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wifi6%E6%98%AF%E5%95%A5%E6%84%8F%E6%80%9D%E6%98%AF%E5%8D%83%E5%85%86%E7%9A%84%E6%84%8F%E6%80%9D%E5%90%97 => Received HTTP code 403 from proxy after CONNECT"
wifi6是啥意思是千兆的意思吗
