string(252) "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%E5%88%B01000 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
买多少东西淘气值到1000
