string(226) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E9%98%B2%E6%AD%A2%E8%A2%AB%E8%B9%ADwi-fi => Failed to connect to 101.91.112.32 port 38195: Connection refused"
如何防止被蹭wi-fi
