string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E4%B8%A4%E5%85%83%E5%BA%97%E6%9C%89%E4%BB%80%E4%B9%88%E9%A3%8E%E9%99%A9 => Failed to connect to 101.89.120.29 port 38231: Connection refused"
开两元店有什么风险
