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/QNConcurrentResumeUpload.m

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+//
+//  QNConcurrentResumeUpload.m
+//  QiniuSDK
+//
+//  Created by WorkSpace_Sun on 2019/7/15.
+//  Copyright © 2019 Qiniu. All rights reserved.
+//
+
+#import "QNLogUtil.h"
+#import "QNConcurrentResumeUpload.h"
+
+@interface QNConcurrentResumeUpload()
+
+@property(nonatomic, strong) dispatch_group_t uploadGroup;
+@property(nonatomic, strong) dispatch_queue_t uploadQueue;
+
+@end
+
+@implementation QNConcurrentResumeUpload
+
+- (int)prepareToUpload{
+    self.uploadGroup = dispatch_group_create();
+    self.uploadQueue = dispatch_queue_create("com.qiniu.concurrentUpload", DISPATCH_QUEUE_SERIAL);
+    return [super prepareToUpload];
+}
+
+- (void)uploadRestData:(dispatch_block_t)completeHandler {
+    QNLogInfo(@"key:%@ 并发分片", self.key);
+    
+    for (int i = 0; i < self.config.concurrentTaskCount; i++) {
+        dispatch_group_enter(self.uploadGroup);
+        dispatch_group_async(self.uploadGroup, self.uploadQueue, ^{
+            [super performUploadRestData:^{
+                dispatch_group_leave(self.uploadGroup);
+            }];
+        });
+    }
+    dispatch_group_notify(self.uploadGroup, self.uploadQueue, ^{
+        completeHandler();
+    });
+}
+
+@end