string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%99%88%E6%98%8E%E4%BA%8C%E5%BB%BA21%E5%B9%B4%E8%AE%B2%E5%98%9B => Failed to connect to 101.89.159.206 port 38075: Connection refused"
陈明二建21年讲嘛
