diff --git a/Modbus.Net/ModBus.Net/BaseMachine.cs b/Modbus.Net/ModBus.Net/BaseMachine.cs
index 67d4868..0e099f5 100644
--- a/Modbus.Net/ModBus.Net/BaseMachine.cs
+++ b/Modbus.Net/ModBus.Net/BaseMachine.cs
@@ -55,7 +55,7 @@ namespace ModBus.Net
             foreach (var communicateAddress in CommunicateAddresses)
             {
                 var datas = BaseUtility.GetDatas<byte>(2, 0, AddressFormater.FormatAddress(communicateAddress.Area,communicateAddress.Address), communicateAddress.GetCount);
-                if (datas == null) return null;
+                if (datas == null || datas.Length == 0) return null;
                 int pos = 0;
                 while (pos < communicateAddress.GetCount)
                 {