string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E5%85%8B%E6%9C%8D%E7%84%A6%E8%99%91%E5%A4%B4%E6%99%95 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
怎样克服焦虑头晕
