string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2%E4%B8%87%E6%89%A3%E7%A8%8E%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%E7%9A%84 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
2万扣税怎么计算的
