string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B9%B0%E4%B8%80%E4%B8%AA%E4%B8%9C%E8%A5%BF%E5%A4%9A%E5%B0%91%E6%B7%98%E6%B0%94%E5%80%BC => Failed to connect to 125.88.227.171 port 38062: Connection refused"
买一个东西多少淘气值
