string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%A0%E7%9F%A5%E9%81%93%E6%80%8E%E6%A0%B7%E7%98%A6%E8%85%BF%E5%90%97 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
你知道怎样瘦腿吗
