解决了语音上传到问题，接下来要解决下载播放问题

Pods/Qiniu/QiniuSDK/Storage/QNUploadSourceFile.m

@@ -0,0 +1,60 @@
+//
+//  QNUploadSourceFile.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/5/10.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadSourceFile.h"
+
+@interface QNUploadSourceFile()
+
+@property(nonatomic, strong)id <QNFileDelegate> file;
+
+@end
+@implementation QNUploadSourceFile
+
++ (instancetype)file:(id <QNFileDelegate>)file {
+    QNUploadSourceFile *sourceFile = [[QNUploadSourceFile alloc] init];
+    sourceFile.file = file;
+    return sourceFile;
+}
+
+
+- (BOOL)couldReloadSource {
+    return self.file != nil;
+}
+
+- (BOOL)reloadSource {
+    return true;
+}
+
+- (nonnull NSString *)getId {
+    return [NSString stringWithFormat:@"%@_%lld", [self getFileName], [self.file modifyTime]];
+}
+
+- (nonnull NSString *)getFileName {
+    return [[self.file path] lastPathComponent];
+}
+
+- (long long)getSize {
+    return [self.file size];
+}
+
+- (NSData *)readData:(NSInteger)dataSize dataOffset:(long long)dataOffset error:(NSError *__autoreleasing  _Nullable *)error {
+    return [self.file read:dataOffset size:dataSize error:error];
+}
+
+- (void)close {
+    [self.file close];
+}
+
+- (NSString *)sourceType {
+    if ([self.file respondsToSelector:@selector(fileType)]) {
+        return self.file.fileType;
+    } else {
+        return @"SourceFile";
+    }
+}
+@end