diff --git a/Assets/Zion/Scripts/ModelFunction/UAV/UnmannedAerialVehicleManage.cs b/Assets/Zion/Scripts/ModelFunction/UAV/UnmannedAerialVehicleManage.cs
index 4b3f222d..81f2d18e 100644
--- a/Assets/Zion/Scripts/ModelFunction/UAV/UnmannedAerialVehicleManage.cs
+++ b/Assets/Zion/Scripts/ModelFunction/UAV/UnmannedAerialVehicleManage.cs
@@ -348,24 +348,27 @@ public class UnmannedAerialVehicleManage : MonoBehaviour
 
         if (Spectrumdetection.Radius > 0)
         {
-            gxWRJCamera.orthographicSize = Spectrumdetection.Radius * 1000;
-            dzWRJCamera.orthographicSize = Spectrumdetection.Radius * 1000;
-            switch (Spectrumdetection.Radius)
+            if (gxWRJCamera&&dzWRJCamera)
             {
-                case 1:
-                    reveal = 24;
-                    Mapdisplay();
-                    break;
-                case 2:
-                    reveal = 48;
-                    Mapdisplay();
-                    break;
-                case 3:
-                    reveal = 72;
-                    Mapdisplay();
-                    break;
-                default:
-                    break;
+                gxWRJCamera.orthographicSize = Spectrumdetection.Radius * 1000;
+                dzWRJCamera.orthographicSize = Spectrumdetection.Radius * 1000;
+                switch (Spectrumdetection.Radius)
+                {
+                    case 1:
+                        reveal = 24;
+                        Mapdisplay();
+                        break;
+                    case 2:
+                        reveal = 48;
+                        Mapdisplay();
+                        break;
+                    case 3:
+                        reveal = 72;
+                        Mapdisplay();
+                        break;
+                    default:
+                        break;
+                }
             }
         }
     }