string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%96%B0%E5%8C%97%E6%B4%8B%E6%9D%A1%E7%A0%81%E6%89%93%E5%8D%B0%E6%9C%BA%E8%BF%9E%E7%BB%AD%E6%89%93%E5%8D%B0 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
新北洋条码打印机连续打印
