string(261) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=raw%E6%A0%BC%E5%BC%8F%E7%9A%84%E7%85%A7%E7%89%87%E6%80%8E%E4%B9%88%E5%A4%84%E7%90%86%E6%8E%89 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
raw格式的照片怎么处理掉
