string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9D%91%E6%B7%98%E6%9C%89%E5%BF%85%E8%A6%81%E5%BC%80%E9%80%9A%E5%90%97 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
村淘有必要开通吗
