diff --git a/Modbus.Net/src/Base.Common/BaseMachine.cs b/Modbus.Net/src/Base.Common/BaseMachine.cs
index 0afc244..f9de1f3 100644
--- a/Modbus.Net/src/Base.Common/BaseMachine.cs
+++ b/Modbus.Net/src/Base.Common/BaseMachine.cs
@@ -670,7 +670,6 @@ namespace Modbus.Net
     {
         public bool Equals(IMachineProperty<TKey> x, IMachineProperty<TKey> y)
         {
-            //1.3版本中需要修改这句话
             return x.Id.Equals(y.Id) || x.ConnectionToken == y.ConnectionToken;
         }