diff --git a/Assets/Scripts/Item/DeviceItem.cs b/Assets/Scripts/Item/DeviceItem.cs
index 51687e3e..c1f33bc8 100644
--- a/Assets/Scripts/Item/DeviceItem.cs
+++ b/Assets/Scripts/Item/DeviceItem.cs
@@ -48,7 +48,15 @@ public class DeviceItem : MonoBehaviour
             bool.TryParse(obj[0], out isActive);
             if (obj.Length == 1 || (obj.Length > 1 && obj[1] == device.Name))
             {
-                gameObject.GetComponent<HighlightTrigger>().enabled = isActive;
+                var high = gameObject.GetComponent<HighlightTrigger>();
+                if (high != null)
+                {
+                    gameObject.GetComponent<HighlightTrigger>().enabled = isActive;
+                }
+                else
+                {
+                    Debug.LogError(device.Name + "身上没有高亮组件");
+                }
             }
         }
     }