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/QNUploadBlock.m

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+//
+//  QNUploadBlock.m
+//  QiniuSDK
+//
+//  Created by yangsen on 2021/5/10.
+//  Copyright © 2021 Qiniu. All rights reserved.
+//
+
+#import "QNUploadBlock.h"
+
+@interface QNUploadBlock()
+
+@property(nonatomic, assign)long long offset;
+@property(nonatomic, assign)NSInteger size;
+@property(nonatomic, assign)NSInteger index;
+@property(nonatomic, strong)NSArray <QNUploadData *> *uploadDataList;
+
+@end
+@implementation QNUploadBlock
+
++ (instancetype)blockFromDictionary:(NSDictionary *)dictionary{
+    if (![dictionary isKindOfClass:[NSDictionary class]]) {
+        return nil;
+    }
+         
+    QNUploadBlock *block = [[QNUploadBlock alloc] init];
+    block.offset = [dictionary[@"offset"] longLongValue];
+    block.size = [dictionary[@"size"] integerValue];
+    block.index = [dictionary[@"index"] integerValue];
+    block.expiredAt = dictionary[@"expired_at"];
+    block.md5 = dictionary[@"md5"];
+    block.context = dictionary[@"context"];
+    
+    NSArray *uploadDataInfos = dictionary[@"uploadDataList"];
+    if ([uploadDataInfos isKindOfClass:[NSArray class]]) {
+        
+        NSMutableArray *uploadDataList = [NSMutableArray array];
+        for (NSDictionary *uploadDataInfo in uploadDataInfos) {
+            QNUploadData *data = [QNUploadData dataFromDictionary:uploadDataInfo];
+            if (!data) {
+                return nil;
+            }
+            [uploadDataList addObject:data];
+        }
+        block.uploadDataList = [uploadDataList copy];
+    }
+    return block;
+}
+
+- (instancetype)initWithOffset:(long long)offset
+                     blockSize:(NSInteger)blockSize
+                      dataSize:(NSInteger)dataSize
+                         index:(NSInteger)index {
+    if (self = [super init]) {
+        _offset = offset;
+        _size = blockSize;
+        _index = index;
+        _uploadDataList = [self createDataList:dataSize];
+    }
+    return self;
+}
+
+- (BOOL)isValid {
+    if (!self.expiredAt || self.expiredAt.integerValue <= 0) {
+        // 不存在时，为新创建 block: 有效
+        return true;
+    }
+    
+    // 存在则有效期必须为过期
+    return (self.expiredAt.doubleValue - 12*3600) > [[NSDate date] timeIntervalSince1970];
+}
+
+- (BOOL)isCompleted{
+    if (self.uploadDataList == nil) {
+        return true;
+    }
+    
+    BOOL isCompleted = true;
+    for (QNUploadData *data in self.uploadDataList) {
+        if (data.isUploaded == false) {
+            isCompleted = false;
+            break;
+        }
+    }
+    return isCompleted;
+}
+
+- (NSInteger)uploadSize {
+    if (self.uploadDataList == nil) {
+        return 0;
+    }
+
+    NSInteger uploadSize = 0;
+    for (QNUploadData *data in self.uploadDataList) {
+        uploadSize += data.uploadSize;
+    }
+    return uploadSize;
+}
+
+- (NSArray *)createDataList:(long long)dataSize{
+    
+    long long offSize = 0;
+    NSInteger dataIndex = 0;
+    NSMutableArray *datas = [NSMutableArray array];
+    while (offSize < self.size) {
+        long long lastSize = self.size - offSize;
+        long long dataSizeP = MIN(lastSize, dataSize);
+        QNUploadData *data = [[QNUploadData alloc] initWithOffset:offSize
+                                                         dataSize:dataSizeP
+                                                            index:dataIndex];
+        [datas addObject:data];
+        offSize += dataSizeP;
+        dataIndex += 1;
+    }
+    return [datas copy];
+}
+
+- (QNUploadData *)nextUploadDataWithoutCheckData {
+    if (!self.uploadDataList || self.uploadDataList.count == 0) {
+        return nil;
+    }
+    
+    QNUploadData *data = nil;
+    for (QNUploadData *dataP in self.uploadDataList) {
+        if ([dataP needToUpload]) {
+            data = dataP;
+            break;
+        }
+    }
+    return data;
+}
+
+- (void)clearUploadState{
+    self.md5 = nil;
+    self.context = nil;
+    for (QNUploadData *data in self.uploadDataList) {
+        [data clearUploadState];
+    }
+}
+
+- (void)checkInfoStateAndUpdate {
+    for (QNUploadData *data in self.uploadDataList) {
+        [data checkStateAndUpdate];
+    }
+}
+
+- (NSDictionary *)toDictionary{
+    
+    NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
+    dictionary[@"offset"]      = @(self.offset);
+    dictionary[@"size"]        = @(self.size);
+    dictionary[@"index"]       = @(self.index);
+    dictionary[@"expired_at"]  = self.expiredAt ?: @(0);
+    dictionary[@"md5"]         = self.md5 ?: @"";
+    if (self.context) {
+        dictionary[@"context"] = self.context;
+    }
+
+    if (self.uploadDataList) {
+        
+        NSMutableArray *uploadDataInfos = [NSMutableArray array];
+        for (QNUploadData *data in self.uploadDataList) {
+            
+            NSDictionary *uploadDataInfo = [data toDictionary];
+            if (uploadDataInfo) {
+                [uploadDataInfos addObject:uploadDataInfo];
+            }
+        }
+        dictionary[@"uploadDataList"]  = [uploadDataInfos copy];
+    }
+    
+    return [dictionary copy];
+}
+
+@end