diff --git a/DM_Weight/Port/PortUtil.cs b/DM_Weight/Port/PortUtil.cs
index a9afcac..6602d94 100644
--- a/DM_Weight/Port/PortUtil.cs
+++ b/DM_Weight/Port/PortUtil.cs
@@ -970,7 +970,7 @@ namespace DM_Weight.Port
         /// </summary>
         /// <param name="ColNo"></param>
         /// <returns></returns>
-        public async Task OpenBox(int DrawerNo, int ColNo)
+        public async Task OpenBox(int ColNo)
         {
             int[] iNum = new int[] { 3, 2, 1 };
             var colNo2 = ColNo % 3 > 0 ? (ColNo % 3) - 1 : 2;
@@ -986,7 +986,7 @@ namespace DM_Weight.Port
         /// </summary>
         /// <param name="text"></param>
         /// <returns></returns>
-        public async Task<byte[]> OpenBoxState(int drawerNo, int ColNo)
+        public async Task<byte[]> OpenBoxState(int ColNo)
         {
             decimal deColNo = (decimal)ColNo;
             var channel = Convert.ToInt32((DrawerNo * 10 + Math.Ceiling(deColNo / 3)).ToString(), 16);