diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/PlcAutoWriteHelper.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/PlcAutoWriteHelper.cs
index 7fb6dfb..1cf3c5a 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/PlcAutoWriteHelper.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/AutoControl/PlcAutoWriteHelper.cs
@@ -9,6 +9,7 @@ using Mesnac.Controls.Default;
 using Mesnac.Core.Service;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Windows.Forms;
 using static Mesnac.Action.ChemicalWeighing.AutoControl.AutoLogHelper;
 
@@ -66,6 +67,12 @@ namespace Mesnac.Action.ChemicalWeighing.AutoControl
                 }
             }
 
+            if(b1 == b2)
+            {
+                MessageBox.Show("两种物料不可相同！");
+                return;
+            }
+
             if(GelSpeed > 50)
             {
                 MessageBox.Show("速度不能大于五十！");
@@ -362,6 +369,13 @@ namespace Mesnac.Action.ChemicalWeighing.AutoControl
                 return;
             }
 
+            var a = recipes.Where(x => x.Bin != -1).GroupBy(x => x.Bin).All(x => x.Count() == 1);
+            if (!a)
+            {
+                MessageBox.Show("两种物料不可相同！");
+                return;
+            }
+
             short dryWaitTime = Convert.ToInt16(TextE.DryWaitTime.MCValue.ToString());
             short dryOutDelayTime = Convert.ToInt16(TextE.DryOutDelayTime.MCValue.ToString());
             float drySpeed1 = Convert.ToSingle(TextE.DrySpeed1.MCValue.ToString());