diff --git a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjMetageFormula/FrmMetageFormula.cs b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjMetageFormula/FrmMetageFormula.cs
index c57b432..eab7417 100644
--- a/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjMetageFormula/FrmMetageFormula.cs
+++ b/Actions/ChemicalWeighing/Mesnac.Action.ChemicalWeighing/LjMetageFormula/FrmMetageFormula.cs
@@ -119,12 +119,14 @@ namespace Mesnac.Action.ChemicalWeighing.LjMetageFormula
             }
             
             var difference = txtDifference.Text.Trim();
-            if (!float.TryParse(weight, out var deff))
+            if (!float.TryParse(difference, out var deff))
             {
                 txtDifference.Focus();
                 MessageBox.Show("请输入正确的比重");
                 return;
             }
+            
+            
 
             if (view.MtypeId == 0)
             {
@@ -199,6 +201,8 @@ namespace Mesnac.Action.ChemicalWeighing.LjMetageFormula
             }
 
             StockMaterialDb.AddOrUpdate(view);
+            
+            this.DialogResult = System.Windows.Forms.DialogResult.OK;
         }
     }
 }
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