string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=20000%E7%9A%84%E5%B7%A5%E8%B5%84%E7%BC%B4%E7%A8%8E%E5%A4%9A%E5%B0%91 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
20000的工资缴税多少
