string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%86%E8%BE%A8%E7%8E%87%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D2k => Failed to connect to 101.89.159.206 port 38087: Connection refused"
分辨率是什么意思2k
