string(324) "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%E6%98%AF%E9%87%8D%E5%A4%8D%E9%93%BA%E8%B4%A7%2C%E4%BB%A5%E4%B8%8B%E5%93%AA%E7%A7%8D%E8%AF%B4%E6%B3%95%E6%98%AF%E6%AD%A3%E7%A1%AE%E7%9A%84 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
什么是重复铺货,以下哪种说法是正确的
