后台bug

@@ -184,7 +184,15 @@
     }
     function getDuration(audio,vo) {
         setTimeout(function () {
-            var duration = parseInt(vo.duration);
+            var duration;
+
+            if(browser.versions.ios){
+                CMTime audioDuration = vo.duration;
+
+                float duration = CMTimeGetSeconds(audioDuration);
+            }else{
+                duration = parseInt(vo.duration);
+            }
 
 
             if(isNaN(duration)){