From 200fe024c81542e8f68f3e87a5adfd4caa0a3314 Mon Sep 17 00:00:00 2001
From: "parallelbgls@outlook.com" <parallelbgls@outlook.com>
Date: Tue, 28 Jul 2015 11:01:30 +0800
Subject: [PATCH] 2015-07-28 update 1

---
 Modbus.Net/ModBus.Net/BaseMachine.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modbus.Net/ModBus.Net/BaseMachine.cs b/Modbus.Net/ModBus.Net/BaseMachine.cs
index 0e099f5..dc56831 100644
--- a/Modbus.Net/ModBus.Net/BaseMachine.cs
+++ b/Modbus.Net/ModBus.Net/BaseMachine.cs
@@ -76,6 +76,7 @@ namespace ModBus.Net
             {
                 BaseUtility.Disconnect();
             }
+            if (ans.Count == 0) ans = null;
             return ans;
         }