diff --git a/SCADA/Core/WeightCalibrationHelper.cs b/SCADA/Core/WeightCalibrationHelper.cs
index 0dd8d8b..4292414 100644
--- a/SCADA/Core/WeightCalibrationHelper.cs
+++ b/SCADA/Core/WeightCalibrationHelper.cs
@@ -73,8 +73,9 @@ namespace MesWork
             {
                 var interpreter = new Interpreter();
                 interpreter.Reference(typeof(Math));
-                interpreter.SetVariable("x", xValue);
-                interpreter.SetVariable("X", xValue);
+                double x = Convert.ToDouble(xValue);
+                interpreter.SetVariable("x", x);
+                interpreter.SetVariable("X", x);
 
                 object value = interpreter.Eval(formula);
                 if (value == null)
diff --git a/SCADA/Pages/UC_ToolMgmt.cs b/SCADA/Pages/UC_ToolMgmt.cs
index 6ad971b..a7e5b1c 100644
--- a/SCADA/Pages/UC_ToolMgmt.cs
+++ b/SCADA/Pages/UC_ToolMgmt.cs
@@ -39,7 +39,6 @@ namespace MesWork.Pages
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "ID", HeaderText = "ID", DataPropertyName = "ID", Visible = false });
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "工位号", HeaderText = "工位号", DataPropertyName = "工位号", FillWeight = 70 });
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "工具名称", HeaderText = "工具名称", DataPropertyName = "工具名称", FillWeight = 120 });
-            dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "重量标定", HeaderText = "重量标定", DataPropertyName = "重量标定", FillWeight = 90 });
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "计算公式", HeaderText = "计算公式", DataPropertyName = "计算公式", FillWeight = 150 });
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "说明", HeaderText = "说明", DataPropertyName = "说明", FillWeight = 180 });
             dgv_Data.Columns.Add(new DataGridViewTextBoxColumn { Name = "修改时间", HeaderText = "修改时间", DataPropertyName = "修改时间", FillWeight = 100 });
@@ -99,7 +98,6 @@ namespace MesWork.Pages
                 txtStation.ReadOnly = true;
                 txtStation.BackColor = Color.FromArgb(245, 247, 250);
                 var txtName = CrudHelper.AddTextField(dlg, "工具名称：", ref y, row.Cells["工具名称"]?.Value?.ToString(), inputWidth: 320);
-                var txtCalVal = CrudHelper.AddTextField(dlg, "重量标定：", ref y, row.Cells["重量标定"]?.Value?.ToString(), inputWidth: 320);
                 var txtFormula = CrudHelper.AddTextField(dlg, "计算公式：", ref y, row.Cells["计算公式"]?.Value?.ToString(), inputWidth: 320);
                 var txtDesc = CrudHelper.AddTextField(dlg, "说明：", ref y, row.Cells["说明"]?.Value?.ToString(), inputWidth: 320);
                 CrudHelper.AddDialogButtons(dlg, ref y);
@@ -119,7 +117,6 @@ namespace MesWork.Pages
                             new SqlParameter("@ID", int.Parse(row.Cells["ID"]?.Value?.ToString() ?? "0")),
                             new SqlParameter("@工位号", txtStation.Text.Trim()),
                             new SqlParameter("@工具名称", txtName.Text.Trim()),
-                            new SqlParameter("@重量标定", txtCalVal.Text.Trim()),
                             new SqlParameter("@计算公式", txtFormula.Text.Trim()),
                             new SqlParameter("@说明", txtDesc.Text.Trim()),
                         };