string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%85%B0%E5%9B%B471cm%E6%98%AF%E5%A4%9A%E5%B0%91%E5%85%AC%E5%88%86%E5%91%A2 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
腰围71cm是多少公分呢
