string(338) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%80%E4%B9%88%E5%B9%B3%E5%8F%B0%E5%8F%AF%E4%BB%A5%E8%B4%A7%E5%88%B0%E4%BB%98%E6%AC%BE%E8%80%8C%E4%B8%94%E6%AF%94%E8%BE%83%E4%BE%BF%E5%AE%9C%E5%91%A2%E7%9F%A5%E4%B9%8E => Failed to connect to 101.91.112.32 port 38195: Connection refused"
什么平台可以货到付款而且比较便宜呢知乎
