diff --git a/ViewModels/BubblePointViewModel.cs b/ViewModels/BubblePointViewModel.cs
index dfee5ef..bde56df 100644
--- a/ViewModels/BubblePointViewModel.cs
+++ b/ViewModels/BubblePointViewModel.cs
@@ -118,6 +118,7 @@ namespace MembranePoreTester.ViewModels
             CalculateCommand = new RelayCommand(Calculate);
             GenerateReportCommand = new RelayCommand(GenerateReport);
             SelectedLiquid = Liquids[0];
+            Record.SampleType = "中空纤维膜";
             ReadPlcCommand = new RelayCommand(async () => await ReadPlcAsync());
             SaveCommand = new RelayCommand(SaveToDatabase);
             ExportCommand = new RelayCommand(ExportToExcel);
@@ -282,6 +283,7 @@ namespace MembranePoreTester.ViewModels
             using var db = new AppDbContext();
             db.BubblePointRecords.Add(entity);
             db.SaveChanges();
+            MessageBox.Show("保存成功!");
         }
 
         public void LoadFromDatabase(int recordId)
@@ -290,7 +292,7 @@ namespace MembranePoreTester.ViewModels
             var entity = db.BubblePointRecords.Find(recordId);
             if (entity == null) return;
 
-            Record.SampleType = entity.SampleType;
+            Record.SampleType = entity.SampleType ?? "中空纤维膜";
             Record.SampleSpec = entity.SampleSpec;
             Record.RoomTemperature = entity.RoomTemperature ?? 0;
             Record.SoakingTime = entity.SoakingTime ?? 0;
@@ -336,6 +338,7 @@ namespace MembranePoreTester.ViewModels
             Task.Run(async () =>
                 {
                     await _plcService.WriteCoilAsync(address, true);
+                    MessageBox.Show("校准成功!");
                 });
         }
 
@@ -364,6 +367,7 @@ namespace MembranePoreTester.ViewModels
             Task.Run(async () =>
             {
                 await _plcService.WriteCoilAsync(address, true);
+                MessageBox.Show("校准成功!");
             });
         }
 
diff --git a/ViewModels/MainViewModel.cs b/ViewModels/MainViewModel.cs
index 8962387..5a3d1d4 100644
--- a/ViewModels/MainViewModel.cs
+++ b/ViewModels/MainViewModel.cs
@@ -90,7 +90,7 @@ namespace MembranePoreTester.ViewModels
             public List<PressureModeItem> InTakeModeList => _inTakeModeList ??= new List<PressureModeItem>
     {
         new PressureModeItem { Text = "底部进气", Value = 0 },
-        new PressureModeItem { Text = "顶部进气", Value = 1 }
+        //new PressureModeItem { Text = "顶部进气", Value = 1 }
     };
 
             public PressureModeItem SelecteInTakeMode
diff --git a/ViewModels/PoreDistributionViewModel.cs b/ViewModels/PoreDistributionViewModel.cs
index cb60f03..eda959c 100644
--- a/ViewModels/PoreDistributionViewModel.cs
+++ b/ViewModels/PoreDistributionViewModel.cs
@@ -213,8 +213,8 @@ namespace MembranePoreTester.ViewModels
         private TestLiquid _selectedLiquid;
         private bool _isCustomLiquid;
         private double _customSurfaceTension = 30.0;
-        private double _lowerPore = 0.2;
-        private double _upperPore = 0.8;
+        private double _lowerPore = 0.05;
+        private double _upperPore = 0.65;
         private double _rangePercentage;
 
 
@@ -260,7 +260,7 @@ namespace MembranePoreTester.ViewModels
 
         public IReadOnlyList<TestLiquid> Liquids => TestLiquid.Predefined;
         public List<string> PressureUnits => new() { "Pa", "cmHg", "psi" };
-        public List<string> MembraneTypes => new() { "中空纤维膜" };
+        public List<string> MembraneTypes => new() { "平板膜", "中空纤维膜" };
 
         public TestLiquid SelectedLiquid
         {
@@ -331,6 +331,7 @@ namespace MembranePoreTester.ViewModels
             CalculateCommand = new RelayCommand(Calculate);
             GenerateReportCommand = new RelayCommand(GenerateReport);
             SelectedLiquid = Liquids[0];
+            Record.SampleType = "中空纤维膜";
             Record.PressureUnit = PressureUnits[0]; // 默认 "Pa"
 
             ReadPlcCommand = new RelayCommand(async () => await ReadPlcAsync());
@@ -842,6 +843,7 @@ namespace MembranePoreTester.ViewModels
             Task.Run(async () =>
             {
                 await _plcService.WriteCoilAsync(address, true);
+                MessageBox.Show("校准成功!");
             });
         }
 
@@ -870,6 +872,7 @@ namespace MembranePoreTester.ViewModels
             Task.Run(async () =>
             {
                 await _plcService.WriteCoilAsync(address, true);
+                MessageBox.Show("校准成功!");
             });
         }
 
@@ -932,7 +935,7 @@ namespace MembranePoreTester.ViewModels
                 .FirstOrDefault(p => p.Id == recordId);
             if (entity == null) return;
 
-            Record.SampleType = entity.SampleType;
+            Record.SampleType = entity.SampleType ?? "中空纤维膜";
             Record.SampleSpec = entity.SampleSpec;
             Record.RoomTemperature = entity.RoomTemperature;
             Record.SoakingTime = entity.SoakingTime;
@@ -1029,7 +1032,7 @@ namespace MembranePoreTester.ViewModels
         }
 
 
-        private string _testMode = "湿膜";
+        private string _testMode = "湿膜"; // 默认湿膜
         public string TestMode
         {
             get => _testMode;
@@ -1037,7 +1040,7 @@ namespace MembranePoreTester.ViewModels
             {
                 if (SetProperty(ref _testMode, value))
                 {
-                    // 切换测试模式时刷新曲线显示（显示对应模式的历史数据）
+                    // 切换测试模式时刷新曲线和相关逻辑
                     UpdatePlot();
                 }
             }
@@ -1171,8 +1174,6 @@ namespace MembranePoreTester.ViewModels
         //    }
 
 
-
-
         //    PlotModel = model;
         //}
 
@@ -1333,6 +1334,9 @@ namespace MembranePoreTester.ViewModels
         }
 
 
+        public List<string> TestModes { get; } = new List<string> {"全部", "湿膜", "干膜" };
+
+
 
 
         private double ConvertFlowByMode(double rawFlow)
diff --git a/Views/BubblePointView.xaml b/Views/BubblePointView.xaml
index e8d6e36..33f2134 100644
--- a/Views/BubblePointView.xaml
+++ b/Views/BubblePointView.xaml
@@ -45,7 +45,7 @@
                     </Grid.RowDefinitions>
 
                     <Label Grid.Row="0" Grid.Column="0" Content="膜类型:"/>
-                    <ComboBox Grid.Row="0" Grid.Column="1" ItemsSource="{Binding MembraneTypes}" SelectedItem="{Binding Record.SampleType}" Margin="5"/>
+                    <ComboBox Grid.Row="0" Grid.Column="1" IsEnabled="False"  IsReadOnly="True" ItemsSource="{Binding MembraneTypes}" SelectedItem="{Binding Record.SampleType}" Margin="5"/>
 
                     <!--<Label Grid.Row="0" Grid.Column="2" Content="规格:"/>
                     <TextBox Grid.Row="0" Grid.Column="3" Text="{Binding Record.SampleSpec}" Margin="5"/>-->
diff --git a/Views/MainWindow.xaml b/Views/MainWindow.xaml
index 9475c80..22bff83 100644
--- a/Views/MainWindow.xaml
+++ b/Views/MainWindow.xaml
@@ -135,7 +135,7 @@
                                 <StackPanel Orientation="Horizontal">
                                     <ComboBox ItemsSource="{Binding PressureModeList}" SelectedItem="{Binding SelectedPressureMode}" Width="80"/>
 
-                                    <ComboBox ItemsSource="{Binding InTakeModeList}" SelectedItem="{Binding SelecteInTakeMode}" Width="80"/>
+                                    <ComboBox ItemsSource="{Binding InTakeModeList}" SelectedItem="{Binding SelecteInTakeMode}" Width="80" IsEnabled="False"/>
                                     <Button Content="▶ 启动" Command="{Binding StartCommand}" Width="80" Background="#4CAF50"/>
                                     <Button Content="⏹ 停止" Command="{Binding StopCommand}" Width="80" Background="#F44336"/>
                                     <Button Content="{Binding PressButtonText}" Command="{Binding PressCommand}" Width="80" Background="#FF9800"/>
@@ -163,12 +163,12 @@
 
                                     <StackPanel Orientation="Horizontal" Margin="15,0,0,0">
                                         <StackPanel Orientation="Horizontal" Margin="0,0,10,0">
-                                            <Label Content="加压上限:" VerticalAlignment="Center" Margin="0,0,5,0"/>
+                                            <Label Content="加压上限(kPa):" VerticalAlignment="Center" Margin="0,0,5,0"/>
                                             <TextBox x:Name="txtPressureUpper" Width="120" FontSize="16" Height="32" VerticalAlignment="Center" Text="{Binding PressureUpperLimit, UpdateSourceTrigger=LostFocus, StringFormat=F3}" />
                                         </StackPanel>
                                         <StackPanel Orientation="Horizontal">
-                                            <Label Content="加压速率:" VerticalAlignment="Center" Margin="0,0,5,0"/>
-                                            <TextBox x:Name="txtPressureRate" Width="120"  FontSize="16" Height="32" VerticalAlignment="Center" Text="{Binding PressureRate, UpdateSourceTrigger=LostFocus, StringFormat=F3}" />
+                                            <Label Content="加压速率(kPa):" VerticalAlignment="Center" Margin="0,0,5,0" ToolTip="每10ms加压速率,一般1-10,不要太高"/>
+                                            <TextBox x:Name="txtPressureRate" ToolTip="每10ms加压速率,一般1-10,不要太高" Width="120"  FontSize="16" Height="32" VerticalAlignment="Center" Text="{Binding PressureRate, UpdateSourceTrigger=LostFocus, StringFormat=F3}" />
                                         </StackPanel>
                                     </StackPanel>
 
diff --git a/Views/PoreDistributionView.xaml b/Views/PoreDistributionView.xaml
index 124577b..919e17d 100644
--- a/Views/PoreDistributionView.xaml
+++ b/Views/PoreDistributionView.xaml
@@ -132,7 +132,7 @@
 
                     <Label Grid.Row="0" Grid.Column="0" Content="膜类型:"/>
                     <ComboBox Grid.Row="0" Grid.Column="1" ItemsSource="{Binding MembraneTypes}" 
-                              SelectedItem="{Binding Record.SampleType}"/>
+                              SelectedItem="{Binding Record.SampleType}" IsEnabled="False" IsReadOnly="True"/>
 
 
                     <!--<Label Grid.Row="0" Grid.Column="2" Content="室温(°C):"/>
@@ -152,20 +152,11 @@
                               SelectedItem="{Binding Record.PressureUnit}"/>
 
                     <Label Grid.Row="3" Grid.Column="2" Content="(干/湿膜)/(大/小流量):"/>
-                    <ComboBox HorizontalAlignment="Left" Grid.Row="3" Grid.Column="3" SelectedItem="{Binding TestMode}" Width="80">
-                        <ComboBoxItem Content="全部" />
-                        <ComboBoxItem Content="湿膜" IsSelected="True"/>
-                        <ComboBoxItem Content="干膜"/>
-                    </ComboBox>
-                    <ComboBox Grid.Row="3"  HorizontalAlignment="Right" Grid.Column="3" ItemsSource="{Binding PressureModeList}" 
-                                       SelectedItem="{Binding SelectedPressureMode}" Width="100"/>
-                    <Button Grid.Row="3" Grid.Column="3" 
-        Content="🗑 清除数据" 
-        Command="{Binding ClearAllCommand}" 
-        Background="#F44336"
-        Width="90" 
-        HorizontalAlignment="Center"
-        Margin="0,5,5,5"/>
+                    <StackPanel Grid.Row="3" Grid.Column="3" Orientation="Horizontal" HorizontalAlignment="Right">
+                        <ComboBox ItemsSource="{Binding TestModes}" SelectedItem="{Binding TestMode, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" Width="80" Margin="0,0,5,0"/>
+                        <ComboBox ItemsSource="{Binding PressureModeList}" SelectedItem="{Binding SelectedPressureMode}" Width="100" Margin="0,0,5,0"/>
+                        <Button Content="🗑 清除数据" Command="{Binding ClearAllCommand}" Background="#F44336" Width="90" Margin="0,0,0,0"/>
+                    </StackPanel>