string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E6%98%AF%E5%A6%82%E4%BD%95%E5%90%B8%E5%BC%95%E5%AE%A2%E6%88%B7%E7%9A%84 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
拼多多是如何吸引客户的
