diff --git a/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scenes/LargePLT 1.unity b/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scenes/LargePLT 1.unity
index 9f5e235..1a8f0ef 100644
--- a/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scenes/LargePLT 1.unity	
+++ b/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scenes/LargePLT 1.unity	
@@ -1073,8 +1073,8 @@ MonoBehaviour:
   x: 0
   y: 0
   z: 0
-  xSpeed_move: 200
-  ySpeed_move: 200
+  xSpeed_move: 150
+  ySpeed_move: 150
   xSpeed_rotate: 1
   ySpeed_rotate: 1
   mSpeed_scale: 100
@@ -1086,7 +1086,7 @@ MonoBehaviour:
   minDistance: 70
   maxDistance: 120
   needDamping: 1
-  damping: 6
+  damping: 3
   isRangeClamped: 0
   xMinValue: -25.5
   xMaxValue: 34.5
diff --git a/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scripts/Bootstrap.cs b/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scripts/Bootstrap.cs
index d8972dd..46002b1 100644
--- a/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scripts/Bootstrap.cs
+++ b/u3d-ShanDongVirtualPowerPlant/Assets/Adam/Scripts/Bootstrap.cs
@@ -117,6 +117,7 @@ public class Bootstrap : MonoSingleton<Bootstrap>
     public void SwitchLand(int _currentLevel)
     {
         if (currentLand == null) return;
+        landMarkAndInfoCotroller.gameObject.SetActive(false);
         currentLevel = _currentLevel;
         switch (currentLevel)
         {