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/Utils/QNSystem.m

@@ -0,0 +1,33 @@
+//
+//  QNSystem.m
+//  QiniuSDK
+//
+//  Created by bailong on 15/10/13.
+//  Copyright © 2015年 Qiniu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+#import <MobileCoreServices/MobileCoreServices.h>
+#import <UIKit/UIKit.h>
+#else
+#import <CoreServices/CoreServices.h>
+#endif
+
+BOOL isIpV6FullySupported(void) {
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED)
+    float sysVersion = [[[UIDevice currentDevice] systemVersion] floatValue];
+    if (sysVersion < 9.0) {
+        return NO;
+    }
+#else
+    NSOperatingSystemVersion sysVersion = [[NSProcessInfo processInfo] operatingSystemVersion];
+    if (sysVersion.majorVersion < 10) {
+        return NO;
+    } else if (sysVersion.majorVersion == 10) {
+        return sysVersion.minorVersion >= 11;
+    }
+#endif
+    return YES;
+}