diff --git a/Assets/Zion/Scripts/Adam/FormationManager.cs b/Assets/Zion/Scripts/Adam/FormationManager.cs
index c4217795..58fb20fc 100644
--- a/Assets/Zion/Scripts/Adam/FormationManager.cs
+++ b/Assets/Zion/Scripts/Adam/FormationManager.cs
@@ -82,6 +82,7 @@ public class FormationManager : MonoSingleton<FormationManager>
     public void SetUAVMGroupAirRoute(int uavmGroupID, Vector3 pos, DistanceMeasurement _airRoute)
     {
         List<UnmannedAerialVehicleManage> uavms = GroupUAVM(uavmGroupID);
+        if (uavms.Count == 0) return;
         for (int j = 0; j < uavms.Count; j++)
         {
             if (!uavms[j].airRoute)
@@ -99,6 +100,7 @@ public class FormationManager : MonoSingleton<FormationManager>
     public void RemoveUAMGroupAirRoute(int uavmGroupID)
     {
         List<UnmannedAerialVehicleManage> uavms = GroupUAVM(uavmGroupID);
+        if (uavms.Count == 0) return;
         for (int j = 0; j < uavms.Count; j++)
         {
             uavms[j].positions.Clear();
@@ -110,6 +112,7 @@ public class FormationManager : MonoSingleton<FormationManager>
     public void SetGroupAttackByGroupID(int uavmGroupID, bool isOpen)
     {
         List<UnmannedAerialVehicleManage> uavms = GroupUAVM(uavmGroupID);
+        if (uavms.Count == 0) return;
         for (int j = 0; j < uavms.Count; j++)
         {
             int index = j;
@@ -136,6 +139,7 @@ public class FormationManager : MonoSingleton<FormationManager>
     public void SetGroupUAVMState(int uavmGroupID, int patternCut)
     {
         List<UnmannedAerialVehicleManage> uavms = GroupUAVM(uavmGroupID);
+        if (uavms.Count == 0) return;
         for (int j = 0; j < uavms.Count; j++)
         {
             uavms[j].modeSwitch(patternCut);
@@ -148,6 +152,7 @@ public class FormationManager : MonoSingleton<FormationManager>
     public void RemoveAppointWRJ(UnmannedAerialVehicleManage uavm)
     {
         List<UnmannedAerialVehicleManage> uavms = GroupUAVM(uavm.groupId);
+        if (uavms.Count == 0) return;
         if (uavms.Contains(uavm))
             uavms.Remove(uavm);
         if (allUavms.Contains(uavm))
@@ -161,6 +166,7 @@ public class FormationManager : MonoSingleton<FormationManager>
 
     private List<UnmannedAerialVehicleManage> GroupUAVM(int uavmGroupID)
     {
+        if (formationInfos.Count == 0) return null;
         List<UnmannedAerialVehicleManage> uavms = new List<UnmannedAerialVehicleManage>();
         for (int i = 0; i < formationInfos.Count; i++)
         {