string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E5%A4%9A%E5%B0%91%E4%B8%9C%E8%A5%BF%E6%B7%98%E6%B0%94%E5%80%BC500%E7%AE%97%E9%AB%98 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
买多少东西淘气值500算高
