string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%81%E5%85%AD%E8%BF%9B%E5%88%B6%E8%BD%AC%E5%8D%81%E8%BF%9B%E5%88%B6%E8%AE%A1%E6%95%B0%E5%99%A8%E5%9B%BE%E7%89%87 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
十六进制转十进制计数器图片
