string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AA%E4%BA%BA%E6%8F%90%E6%88%90%E6%89%80%E5%BE%97%E7%A8%8E%E8%AE%A1%E7%AE%97%E6%96%B9%E6%B3%95 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
个人提成所得税计算方法
