保存图片压缩；记录列表清缓存；ms延迟3s；比赛列表样式问题

Assets/Scripts/Scenes/Ride/Scripts/CyclingController.cs

@@ -904,7 +904,7 @@ public class CyclingController : DeviceServiceMonoBase
         RenderTexture.active = null; // JC: added to avoid errors  
         GameObject.Destroy(rt);
         // 最后将这些纹理数据，成一个图片文件  
-        byte[] bytes = screenShot.EncodeToPNG();
+        byte[] bytes = screenShot.EncodeToJPG();
 
         //var path = Helper.GetDataDir("MapWorkoutRecords/images");
         //string filename = path + "/" + Guid.NewGuid().ToString() + ".png";