string(266) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ad229mwc%E6%89%93%E5%8D%B0%E6%9C%BA%E6%94%AF%E6%8C%81%E6%97%A0%E7%BA%BF%E6%89%93%E5%8D%B0%E4%B9%88 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
ad229mwc打印机支持无线打印么
