string(234) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=20000%E5%9D%97%E9%92%B1%E6%89%A3%E7%A8%8E%E5%A4%9A%E5%B0%91%E9%92%B1 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
20000块钱扣税多少钱
