diff --git a/WindowsFormsApp6/MainForm.Designer.cs b/WindowsFormsApp6/MainForm.Designer.cs
index cd1e6a7..e86a8a1 100644
--- a/WindowsFormsApp6/MainForm.Designer.cs
+++ b/WindowsFormsApp6/MainForm.Designer.cs
@@ -379,7 +379,7 @@ namespace WindowsFormsApp6
             this.button5.TabIndex = 3;
             this.button5.Text = "🎲 模拟数据";
             this.button5.UseVisualStyleBackColor = false;
-            this.button5.Visible = false;
+            this.button5.Visible = true;
             this.button5.Click += new System.EventHandler(this.Button5_Click);
             // 
             // buttonExport
diff --git a/WindowsFormsApp6/MainForm.cs b/WindowsFormsApp6/MainForm.cs
index e1b25d1..9ad9445 100644
--- a/WindowsFormsApp6/MainForm.cs
+++ b/WindowsFormsApp6/MainForm.cs
@@ -520,7 +520,7 @@ namespace WindowsFormsApp6
                 int hangTime = ConvertSingleRegisterToInt(hangTimeReg[0]);
                 
                 // 读取运行速度（D410，1个寄存器，整数，单位：mm/min）
-                ushort[] runSpeedReg = _modbusMaster.ReadHoldingRegisters(slaveId, 410, 1);
+                ushort[] runSpeedReg = _modbusMaster.ReadHoldingRegisters(slaveId, 410, 5);
                 int runSpeed = ConvertSingleRegisterToInt(runSpeedReg[0]);
 
                 // 使用反射获取Form2的私有字段
@@ -1559,6 +1559,14 @@ namespace WindowsFormsApp6
 
         private void ButtonExport_Click(object sender, EventArgs e)
         {
+            // 显示导出选项对话框
+            var exportOptions = ShowExportOptionsDialog();
+            if (exportOptions == null)
+            {
+                // 用户取消了导出
+                return;
+            }
+
             SaveFileDialog saveFileDialog = new SaveFileDialog
             {
                 Filter = "Excel 文件 (*.xlsx)|*.xlsx",
@@ -1568,10 +1576,122 @@ namespace WindowsFormsApp6
 
             if (saveFileDialog.ShowDialog() == DialogResult.OK)
             {
-                ExportIntegratedReport(saveFileDialog.FileName);
+                ExportIntegratedReport(saveFileDialog.FileName, exportOptions);
             }
         }
 
+        /// <summary>
+        /// 显示导出选项对话框
+        /// </summary>
+        private ExportOptions ShowExportOptionsDialog()
+        {
+            // 创建对话框
+            Form optionsDialog = new Form
+            {
+                Text = "选择导出内容",
+                Width = 350,
+                Height = 250,
+                StartPosition = FormStartPosition.CenterParent,
+                FormBorderStyle = FormBorderStyle.FixedDialog,
+                MaximizeBox = false,
+                MinimizeBox = false
+            };
+
+            Label label = new Label
+            {
+                Text = "请选择要导出的测试项目：",
+                Location = new Point(20, 20),
+                AutoSize = true,
+                Font = new Font("微软雅黑", 10F)
+            };
+
+            CheckBox chkAbsorptionTime = new CheckBox
+            {
+                Text = "液体吸收时间",
+                Location = new Point(40, 60),
+                AutoSize = true,
+                Checked = true,
+                Font = new Font("微软雅黑", 9F)
+            };
+
+            CheckBox chkAbsorptionAmount = new CheckBox
+            {
+                Text = "液体吸收量",
+                Location = new Point(40, 90),
+                AutoSize = true,
+                Checked = true,
+                Font = new Font("微软雅黑", 9F)
+            };
+
+            CheckBox chkWickingRate = new CheckBox
+            {
+                Text = "液体芯吸速率",
+                Location = new Point(40, 120),
+                AutoSize = true,
+                Checked = true,
+                Font = new Font("微软雅黑", 9F)
+            };
+
+            Button btnOK = new Button
+            {
+                Text = "确定",
+                DialogResult = DialogResult.OK,
+                Location = new Point(100, 160),
+                Width = 80,
+                Height = 30
+            };
+
+            Button btnCancel = new Button
+            {
+                Text = "取消",
+                DialogResult = DialogResult.Cancel,
+                Location = new Point(190, 160),
+                Width = 80,
+                Height = 30
+            };
+
+            optionsDialog.Controls.AddRange(new Control[] { 
+                label, 
+                chkAbsorptionTime, 
+                chkAbsorptionAmount, 
+                chkWickingRate, 
+                btnOK, 
+                btnCancel 
+            });
+            optionsDialog.AcceptButton = btnOK;
+            optionsDialog.CancelButton = btnCancel;
+
+            // 显示对话框
+            if (optionsDialog.ShowDialog(this) == DialogResult.OK)
+            {
+                // 检查是否至少选择了一项
+                if (!chkAbsorptionTime.Checked && !chkAbsorptionAmount.Checked && !chkWickingRate.Checked)
+                {
+                    MessageBox.Show("请至少选择一个导出项目！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
+                    return null;
+                }
+
+                return new ExportOptions
+                {
+                    IncludeAbsorptionTime = chkAbsorptionTime.Checked,
+                    IncludeAbsorptionAmount = chkAbsorptionAmount.Checked,
+                    IncludeWickingRate = chkWickingRate.Checked
+                };
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// 导出选项类
+        /// </summary>
+        private class ExportOptions
+        {
+            public bool IncludeAbsorptionTime { get; set; }
+            public bool IncludeAbsorptionAmount { get; set; }
+            public bool IncludeWickingRate { get; set; }
+        }
+
         private void Button5_Click(object sender, EventArgs e)
         {
             switch (tabControl1.SelectedIndex)
@@ -1613,14 +1733,14 @@ namespace WindowsFormsApp6
             }
         }
 
-        private void ExportIntegratedReport(string filePath)
+        private void ExportIntegratedReport(string filePath, ExportOptions options)
         {
             try
             {
                 IWorkbook workbook = new XSSFWorkbook();
                 
                 // 创建单个整合的工作表
-                CreateIntegratedSheet(workbook);
+                CreateIntegratedSheet(workbook, options);
 
                 using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
                 {
@@ -1635,7 +1755,7 @@ namespace WindowsFormsApp6
             }
         }
 
-        private void CreateIntegratedSheet(IWorkbook workbook)
+        private void CreateIntegratedSheet(IWorkbook workbook, ExportOptions options)
         {
             ISheet sheet = workbook.CreateSheet("吸收性测试报告");
             var styles = CreateReportStyles(workbook);
@@ -1679,18 +1799,25 @@ namespace WindowsFormsApp6
 
             currentRow++; // 空行
 
-            // 3. 创建液体吸收时间部分
-            CreateForm1Section(sheet, ref currentRow, sampleCount, dataTable1, styles);
+            // 3. 创建液体吸收时间部分（根据选项）
+            if (options.IncludeAbsorptionTime)
+            {
+                CreateForm1Section(sheet, ref currentRow, sampleCount, dataTable1, styles);
+                currentRow++; // 空行
+            }
 
-            currentRow++; // 空行
+            // 4. 创建液体吸收量部分（根据选项）
+            if (options.IncludeAbsorptionAmount)
+            {
+                CreateForm2Section(sheet, ref currentRow, sampleCount, dataTable2, styles);
+                currentRow++; // 空行
+            }
 
-            // 4. 创建液体吸收量部分
-            CreateForm2Section(sheet, ref currentRow, sampleCount, dataTable2, styles);
-
-            currentRow++; // 空行
-
-            // 5. 创建液体芯吸速率部分
-            CreateForm3Section(sheet, ref currentRow, sampleCount, dataTable3, styles);
+            // 5. 创建液体芯吸速率部分（根据选项）
+            if (options.IncludeWickingRate)
+            {
+                CreateForm3Section(sheet, ref currentRow, sampleCount, dataTable3, styles);
+            }
 
             // 设置列宽
             sheet.SetColumnWidth(0, 20 * 256);