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/Http/Request/QNRequestClient.h

@@ -0,0 +1,30 @@
+//
+//  QNRequestClient.h
+//  QiniuSDK
+//
+//  Created by yangsen on 2020/4/29.
+//  Copyright © 2020 Qiniu. All rights reserved.
+//
+
+#import "QNUploadRequestMetrics.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+typedef void (^QNRequestClientCompleteHandler)(NSURLResponse * _Nullable, QNUploadSingleRequestMetrics * _Nullable, NSData * _Nullable, NSError * _Nullable);
+
+@protocol QNRequestClient <NSObject>
+
+// client 标识
+@property(nonatomic,  copy, readonly)NSString *clientId;
+
+- (void)request:(NSURLRequest *)request
+         server:(_Nullable id <QNUploadServer>)server
+connectionProxy:(NSDictionary * _Nullable)connectionProxy
+       progress:(void(^ _Nullable)(long long totalBytesWritten, long long totalBytesExpectedToWrite))progress
+       complete:(_Nullable QNRequestClientCompleteHandler)complete;
+
+- (void)cancel;
+
+@end
+
+NS_ASSUME_NONNULL_END