string(270) "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%BC%E6%89%8D%E8%83%BD%E5%88%B01000 => Failed to connect to 101.89.120.29 port 38025: Connection refused"
买多少东西淘气值才能到1000
