骑行界面按钮替换，界面&逻辑调整

Assets/Scenes/Ride/Scripts/SeletedPlayerScript.cs

@@ -49,7 +49,7 @@ namespace Assets.Scenes.Ride.Scripts
             Close.gameObject.SetActive(false);
             isUsed = false;
             Name.text = "New Shadow";
-            var defaultexture = Resources.Load<Sprite>("Images/New Account").texture;
+            var defaultexture = Resources.Load<Sprite>("Images/Ride/head~").texture;
             Head.texture = defaultexture;
             RankingId = string.Empty;
         }