string(273) "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%E5%A6%82%E4%BD%95%E6%94%B9%E6%88%90jpg%E6%A0%BC%E5%BC%8F => Failed to connect to 101.89.117.144 port 38005: Connection refused"
raw格式的照片如何改成jpg格式
