diff --git a/Modbus.Net/ModBus.Net/BaseUtility.cs b/Modbus.Net/ModBus.Net/BaseUtility.cs
index 7a7c0c9..fac303b 100644
--- a/Modbus.Net/ModBus.Net/BaseUtility.cs
+++ b/Modbus.Net/ModBus.Net/BaseUtility.cs
@@ -15,6 +15,10 @@ namespace ModBus.Net
 
         public AddressTranslator AddressTranslator { get; set; }
 
+        protected BaseUtility()
+        {
+            AddressTranslator = new AddressTranslatorBase();
+        }
         /// <summary>
         /// 设置连接字符串
         /// </summary>