string(237) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ad1862%E8%A7%A3%E7%A0%81%E8%8A%AF%E7%89%87%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
ad1862解码芯片怎么样
