增加后台上传，下载文件方法

src/main/java/com/glxp/api/idc/service/impl/FileServiceImpl.java

@@ -38,7 +38,7 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 
 
-/*连通检测*/
+/*文件服务*/
 @Service
 public class FileServiceImpl implements FileService {
     private static final Logger logger = LoggerFactory.getLogger(FileServiceImpl.class);