diff --git a/Service/FireControl/Client/FireControlClient.cs b/Service/FireControl/Client/FireControlClient.cs
index 349ac18..79653d7 100644
--- a/Service/FireControl/Client/FireControlClient.cs
+++ b/Service/FireControl/Client/FireControlClient.cs
@@ -33,8 +33,11 @@ public class FireControlClient: ModbusTcpMaster
         List<byte> bytes06=new List<byte>();//= master.BatchReadHolderRegister(0x0800, 2048);//0x04       可以
         var bytesAdd1 = master.BatchReadHolderRegister(0x0800, 1000);//0x04       可以
         var bytesAdd2 = master.BatchReadHolderRegister(3048, 1048);//0x04       可以
-        bytes06.AddRange(bytesAdd1);
-        bytes06.AddRange(bytesAdd2);
+        if (bytesAdd1 != null && bytesAdd2 != null)
+        {
+            bytes06.AddRange(bytesAdd1);
+            bytes06.AddRange(bytesAdd2);
+        }
         
         
         var bytes07 = master.BatchReadHolderRegister(0x1000, 32);//0x04         可以