diff --git a/Docs/用户使用手册.md b/Docs/用户使用手册.md
index 688828c..3bab33b 100644
--- a/Docs/用户使用手册.md
+++ b/Docs/用户使用手册.md
@@ -970,9 +970,9 @@ PowerShell.exe -ExecutionPolicy Bypass -File .\run.ps1
 
 | 阈值              | 默认值 | 含义                       |
 | ----------------- | ------ | -------------------------- |
-| `MaxOnTimeMs`     | 5.0 ms | 开启时间上限               |
+| `MaxOnTimeMs`     | 50.0 ms | 开启时间上限               |
 | `MaxRiseTimeMs`   | 3.0 ms | 上升时间上限               |
-| `MaxOffTimeMs`    | 5.0 ms | 关断时间上限               |
+| `MaxOffTimeMs`    | 50.0 ms | 关断时间上限               |
 | `MaxFallTimeMs`   | 3.0 ms | 下降时间上限               |
 
 > **【提示】** 阈值随项目保存（位于 `project.json` 的 `CurveThresholds` 字段），可针对不同型号被测件调整。
@@ -1734,8 +1734,8 @@ $$
 
 | 编号 | 中文名             | 单位 | 定义                                                              | 测试方法                                                  | 判定准则                              | 软件位置        |
 | ---- | ------------------ | ---- | ----------------------------------------------------------------- | --------------------------------------------------------- | ------------------------------------- | --------------- |
-| 1.1  | 开启时间           | ms   | 控制信号有效 → 输出电压上升到 90% V<sub>max</sub> 的时间             | 高速采集 + 上升沿百分位检测                                | ≤ MaxOnTimeMs（默认 5）                 | 第 10 章         |
-| 1.2  | 关闭时间           | ms   | 控制信号撤销 → 输出电压下降到 10% V<sub>max</sub> 的时间             | 高速采集 + 下降沿百分位检测                                | ≤ MaxOffTimeMs（默认 5）                | 第 10 章         |
+| 1.1  | 开启时间           | ms   | 控制信号有效 → 输出电压上升到 90% V<sub>max</sub> 的时间             | 高速采集 + 上升沿百分位检测                                | ≤ MaxOnTimeMs（默认 50）                | 第 10 章         |
+| 1.2  | 关闭时间           | ms   | 控制信号撤销 → 输出电压下降到 10% V<sub>max</sub> 的时间             | 高速采集 + 下降沿百分位检测                                | ≤ MaxOffTimeMs（默认 50）               | 第 10 章         |
 | 1.3  | 控制延迟时间       | ms   | 控制端电平变化 → 内部驱动信号到达                                  | 厂商方法；本软件等同于"开启时间"近似                       | 由型号规范确定                          | 第 10 章（近似） |
 | 1.4  | 释放延迟时间       | ms   | 控制端撤销 → 内部驱动撤销                                          | 同上                                                      | 由型号规范确定                          | 第 10 章（近似） |
 | 1.5  | 负载电压上升/下降时间 | ms   | 负载侧电压 10% – 90% V<sub>max</sub> 的过渡时间                     | 高速采集 + 双阈值检测                                      | ≤ MaxRiseTimeMs / MaxFallTimeMs（默认 3）| 第 10 章         |
diff --git a/SSPCTester.Logic/Models/Results.cs b/SSPCTester.Logic/Models/Results.cs
index 7d551e6..116219f 100644
--- a/SSPCTester.Logic/Models/Results.cs
+++ b/SSPCTester.Logic/Models/Results.cs
@@ -43,9 +43,9 @@ public partial class CurveResultRow : ObservableObject
 /// <summary>曲线测试阈值（合格判定）。</summary>
 public sealed class CurveThresholds
 {
-    public double MaxOnTimeMs { get; set; } = 5.0;
+    public double MaxOnTimeMs { get; set; } = 50.0;
     public double MaxRiseTimeMs { get; set; } = 3.0;
-    public double MaxOffTimeMs { get; set; } = 5.0;
+    public double MaxOffTimeMs { get; set; } = 50.0;
     public double MaxFallTimeMs { get; set; } = 3.0;
 }
 
diff --git a/SSPCTester.Logic/Report/ProfessionalReportGenerator.cs b/SSPCTester.Logic/Report/ProfessionalReportGenerator.cs
index 411f898..bc7e0d6 100644
--- a/SSPCTester.Logic/Report/ProfessionalReportGenerator.cs
+++ b/SSPCTester.Logic/Report/ProfessionalReportGenerator.cs
@@ -62,7 +62,16 @@ public sealed class ReportGenerator
             column.Item().PaddingTop(45).Element(container => CoverIdentity(container, p, reportNo));
             column.Item().PaddingTop(34).Element(container => OverallPanel(container, p));
             column.Item().ExtendVertical();
-            column.Item().PaddingBottom(18).BorderTop(1).BorderColor(Line).PaddingTop(14).Table(table =>
+        });
+
+        page.Footer().Element(container => CoverFooter(container, p));
+    }
+
+    private static void CoverFooter(IContainer container, Project p)
+    {
+        container.Column(column =>
+        {
+            column.Item().BorderTop(1).BorderColor(Line).PaddingTop(14).Table(table =>
             {
                 table.ColumnsDefinition(columns =>
                 {
@@ -74,13 +83,12 @@ public sealed class ReportGenerator
                 CoverSignCell(table, "审核", "");
                 CoverSignCell(table, "批准", "");
             });
-        });
-
-        page.Footer().Row(row =>
-        {
-            row.RelativeItem().Text("本报告仅对所检样品及记录数据负责").FontSize(8).FontColor(Muted);
-            row.ConstantItem(180).AlignRight().Text($"生成时间：{DateTime.Now:yyyy-MM-dd HH:mm}")
-                .FontSize(8).FontColor(Muted);
+            column.Item().PaddingTop(12).Row(row =>
+            {
+                row.RelativeItem().Text("本报告仅对所检样品及记录数据负责").FontSize(8).FontColor(Muted);
+                row.ConstantItem(180).AlignRight().Text($"生成时间：{DateTime.Now:yyyy-MM-dd HH:mm}")
+                    .FontSize(8).FontColor(Muted);
+            });
         });
     }
 
@@ -204,7 +212,7 @@ public sealed class ReportGenerator
                 Section(column, section++, "开启与关断曲线", "SWITCHING CHARACTERISTICS");
                 if (p.CurveResults.Count > 0)
                 {
-                    string criteria = $"判据：开启≤{p.CurveThresholds.MaxOnTimeMs:F1}ms，上升≤{p.CurveThresholds.MaxRiseTimeMs:F1}ms，关断≤{p.CurveThresholds.MaxOffTimeMs:F1}ms，下降≤{p.CurveThresholds.MaxFallTimeMs:F1}ms";
+                    string criteria = $"判据：开启时间≤{p.CurveThresholds.MaxOnTimeMs:F1}ms，上升时间≤{p.CurveThresholds.MaxRiseTimeMs:F1}ms，关断时间≤{p.CurveThresholds.MaxOffTimeMs:F1}ms，下降时间≤{p.CurveThresholds.MaxFallTimeMs:F1}ms";
                     column.Item().Element(x => ModuleSummary(x, criteria, p.CurveResults.Select(r => r.Status)));
                     column.Item().Element(x => CurveTable(x, p));
                 }
@@ -462,14 +470,14 @@ public sealed class ReportGenerator
     private static void OverallPanel(IContainer container, Project p)
     {
         container.Border(1.2f).BorderColor(StatusColor(p.OverallStatus))
-            .Background(StatusBackground(p.OverallStatus)).Padding(14).Row(row =>
+            .Background(StatusBackground(p.OverallStatus)).Padding(12).Row(row =>
             {
                 row.RelativeItem().Column(column =>
                 {
                     column.Item().Text("综合检测结论").FontSize(9).FontColor(Muted);
                     column.Item().PaddingTop(4).Text(ConclusionText(p.OverallStatus)).FontSize(9);
                 });
-                row.ConstantItem(110).AlignRight().AlignMiddle().Text(StatusText(p.OverallStatus))
+                row.ConstantItem(72).PaddingLeft(10).AlignRight().AlignMiddle().Text(StatusText(p.OverallStatus))
                     .FontSize(18).Bold().FontColor(StatusColor(p.OverallStatus));
             });
     }
diff --git a/SSPCTester.Logic/Report/WordReportGenerator.cs b/SSPCTester.Logic/Report/WordReportGenerator.cs
index cad86ff..0c7500d 100644
--- a/SSPCTester.Logic/Report/WordReportGenerator.cs
+++ b/SSPCTester.Logic/Report/WordReportGenerator.cs
@@ -34,10 +34,11 @@ public sealed class WordReportGenerator
         Body body = main.Document.Body!;
 
         string reportNo = BuildReportNumber(project);
+        string? firstPageFooterId = project.Report.Cover ? AddFirstPageFooter(main) : null;
         if (project.Report.Cover)
             ComposeCover(body, project, reportNo);
         ComposeBody(body, main, project, reportNo);
-        body.Append(PageSectionProperties());
+        body.Append(PageSectionProperties(firstPageFooterId));
 
         main.Document.Save();
     }
@@ -95,11 +96,17 @@ public sealed class WordReportGenerator
             }),
             Spacer(18),
             ConclusionBox(p),
-            Spacer(52),
-            SignatureTable(),
             PageBreak());
     }
 
+    private static string AddFirstPageFooter(MainDocumentPart main)
+    {
+        var footerPart = main.AddNewPart<FooterPart>();
+        footerPart.Footer = new Footer(SignatureTable(), FooterParagraph());
+        footerPart.Footer.Save();
+        return main.GetIdOfPart(footerPart);
+    }
+
     private void ComposeBody(Body body, MainDocumentPart main, Project p, string reportNo)
     {
         body.Append(HeaderParagraph("固态功率控制器动态参数检测报告", reportNo));
@@ -388,10 +395,21 @@ public sealed class WordReportGenerator
     private static Paragraph FooterParagraph() =>
         Paragraph($"生成时间：{DateTime.Now:yyyy-MM-dd HH:mm}    本报告仅对所检样品及记录数据负责。", 16, Muted, JustificationValues.Center);
 
-    private static SectionProperties PageSectionProperties() =>
-        new(
+    private static SectionProperties PageSectionProperties(string? firstPageFooterId = null)
+    {
+        var properties = new SectionProperties();
+        if (!string.IsNullOrWhiteSpace(firstPageFooterId))
+        {
+            properties.Append(
+                new FooterReference { Type = HeaderFooterValues.First, Id = firstPageFooterId },
+                new TitlePage());
+        }
+
+        properties.Append(
             new PageSize { Width = 11906U, Height = 16838U },
             new PageMargin { Top = 900, Right = 850U, Bottom = 900, Left = 850U, Header = 450U, Footer = 450U, Gutter = 0U });
+        return properties;
+    }
 
     private static long CmToEmu(double cm) => (long)Math.Round(cm * 360000.0);
 
diff --git a/SSPCTester.Tests/WordReportGeneratorTests.cs b/SSPCTester.Tests/WordReportGeneratorTests.cs
index 0a44113..dfb69f7 100644
--- a/SSPCTester.Tests/WordReportGeneratorTests.cs
+++ b/SSPCTester.Tests/WordReportGeneratorTests.cs
@@ -39,6 +39,15 @@ public sealed class WordReportGeneratorTests
                 .ToArray();
             Assert.Contains("SimSun", fontNames);
             Assert.Equal(2, document.MainDocumentPart.ImageParts.Count());
+
+            var sectionProperties = document.MainDocumentPart.Document.Body!.Descendants<SectionProperties>().Single();
+            var firstFooterReference = sectionProperties.Elements<FooterReference>()
+                .Single(x => x.Type?.Value == HeaderFooterValues.First);
+            Assert.Contains(sectionProperties.Elements<TitlePage>(), _ => true);
+
+            var firstFooter = (FooterPart)document.MainDocumentPart.GetPartById(firstFooterReference.Id!);
+            Assert.Single(firstFooter.Footer!.Elements<Table>());
+            Assert.Equal(2, firstFooter.Footer!.Descendants<TableRow>().Count());
         }
         finally
         {
diff --git a/SSPCTester.UI/ViewModels/MainViewModel.cs b/SSPCTester.UI/ViewModels/MainViewModel.cs
index fcbc0e1..c266b72 100644
--- a/SSPCTester.UI/ViewModels/MainViewModel.cs
+++ b/SSPCTester.UI/ViewModels/MainViewModel.cs
@@ -377,10 +377,35 @@ public partial class MainViewModel : ObservableObject
         _viewBeforeSettings = CurrentView;
         var vm = _sp.GetRequiredService<SettingsViewModel>();
         vm.SetCloseAction(CloseSettings);
+        vm.SetProjectRefreshAction(RefreshProjectsFromSettingsAsync, CanRefreshProjectsFromSettings);
         CurrentView = vm;
         DevicePanelOpen = false;
     }
 
+    private bool CanRefreshProjectsFromSettings()
+    {
+        if (State != AppState.Testing) return true;
+
+        _logSink.Add(UiLogLevel.Warning, "测试中不可切换项目目录，请退出测试后再刷新工程。");
+        return false;
+    }
+
+    private async Task RefreshProjectsFromSettingsAsync(string projectsRoot)
+    {
+        if (!CanRefreshProjectsFromSettings()) return;
+        if (string.IsNullOrWhiteSpace(projectsRoot))
+        {
+            _logSink.Add(UiLogLevel.Error, "项目数据路径为空，无法刷新工程。");
+            return;
+        }
+
+        Directory.CreateDirectory(projectsRoot);
+        _store.ProjectsRoot = projectsRoot;
+        CurrentProject = null;
+        _viewBeforeSettings = _sp.GetRequiredService<HomeViewModel>();
+        await LoadProjectsAsync();
+    }
+
     [RelayCommand]
     private void OpenSettingsFromDevicePanel()
     {
diff --git a/SSPCTester.UI/ViewModels/SettingsViewModel.Manual.cs b/SSPCTester.UI/ViewModels/SettingsViewModel.Manual.cs
index 0cf94ed..046023d 100644
--- a/SSPCTester.UI/ViewModels/SettingsViewModel.Manual.cs
+++ b/SSPCTester.UI/ViewModels/SettingsViewModel.Manual.cs
@@ -9,6 +9,7 @@ using Microsoft.Extensions.Options;
 using Microsoft.Win32;
 using SSPCTester.Devices.Config;
 using SSPCTester.Devices.Interfaces;
+using SSPCTester.Logic.Storage;
 using SSPCTester.UI.Services;
 
 namespace SSPCTester.UI.ViewModels;
@@ -25,14 +26,18 @@ public partial class SettingsViewModel : ObservableObject
     private readonly StorageOptions _runtimeStorage;
     private readonly ReportOptions _runtimeReport;
     private readonly UserSettingsStore _settingsStore;
+    private readonly ProjectStore _projectStore;
     private Action? _closeAction;
+    private Func<bool>? _canRefreshProjects;
+    private Func<string, Task>? _projectRefreshAction;
 
     public SettingsViewModel(
         IOptions<DeviceOptions> devOpts,
         IOptions<StorageOptions> storeOpts,
         IOptions<ReportOptions> reportOpts,
         ISspc sspc, IPowerSupply power, ILoad load, IDaq daq, ISafetyDio safetyDio, UiLogSink log,
-        UserSettingsStore settingsStore)
+        UserSettingsStore settingsStore,
+        ProjectStore projectStore)
     {
         _runtimeDevices = devOpts.Value;
         _runtimeStorage = storeOpts.Value;
@@ -44,6 +49,7 @@ public partial class SettingsViewModel : ObservableObject
         _safetyDio = safetyDio;
         _log = log;
         _settingsStore = settingsStore;
+        _projectStore = projectStore;
 
         Devices = CloneDeviceOptions(_runtimeDevices);
         Storage = CloneStorageOptions(_runtimeStorage);
@@ -141,6 +147,12 @@ public partial class SettingsViewModel : ObservableObject
 
     public void SetCloseAction(Action closeAction) => _closeAction = closeAction;
 
+    public void SetProjectRefreshAction(Func<string, Task> refreshAction, Func<bool>? canRefresh = null)
+    {
+        _projectRefreshAction = refreshAction;
+        _canRefreshProjects = canRefresh;
+    }
+
     public void NotifyDraftChanged()
     {
         ApplyDaqChannelEditorsToDraft();
@@ -154,17 +166,29 @@ public partial class SettingsViewModel : ObservableObject
     private void Close() => _closeAction?.Invoke();
 
     [RelayCommand]
-    private async Task SaveSettings()
+    private async Task SaveSettings() =>
+        await SaveSettingsCore(logSaved: true);
+
+    private async Task SaveSettingsCore(bool logSaved)
     {
         ApplyDaqChannelEditorsToDraft();
         Devices.Daq.Channels = DaqChannelOptionsNormalizer.Normalize(Devices.Daq.Channels);
         ApplyToRuntime(Devices, _runtimeDevices);
         ApplyToRuntime(Storage, _runtimeStorage);
         ApplyToRuntime(Report, _runtimeReport);
-        await _settingsStore.SaveAsync().ConfigureAwait(false);
+        ApplyProjectsRootToStore();
+        await _settingsStore.SaveAsync();
         OnPropertyChanged(nameof(HasUnsavedChanges));
         OnPropertyChanged(nameof(DaqValidationMessage));
-        _log.Add(UiLogLevel.Success, "设置已保存。重新连接请单独点击“重新连接”。");
+        if (logSaved)
+            _log.Add(UiLogLevel.Success, "设置已保存。重新连接请单独点击“重新连接”。");
+    }
+
+    private void ApplyProjectsRootToStore()
+    {
+        _projectStore.ProjectsRoot = _runtimeStorage.ProjectsRoot;
+        if (!string.IsNullOrWhiteSpace(_projectStore.ProjectsRoot))
+            Directory.CreateDirectory(_projectStore.ProjectsRoot);
     }
 
     [RelayCommand]
@@ -350,6 +374,42 @@ public partial class SettingsViewModel : ObservableObject
     [RelayCommand]
     private void OpenProjectsDirectory() => OpenDirectory(Storage.ProjectsRoot);
 
+    [RelayCommand]
+    private async Task RefreshProjects()
+    {
+        NotifyDraftChanged();
+        if (string.IsNullOrWhiteSpace(Storage.ProjectsRoot))
+        {
+            _log.Add(UiLogLevel.Error, "项目数据路径为空，无法刷新工程。");
+            return;
+        }
+
+        if (_canRefreshProjects?.Invoke() == false)
+            return;
+
+        if (_projectRefreshAction == null)
+        {
+            _log.Add(UiLogLevel.Warning, "刷新工程功能尚未初始化。");
+            return;
+        }
+
+        try
+        {
+            await SaveSettingsCore(logSaved: false);
+            await _projectRefreshAction(_projectStore.ProjectsRoot);
+            await RunOnUiAsync(() =>
+            {
+                OnPropertyChanged(nameof(HasUnsavedChanges));
+                OnPropertyChanged(nameof(DaqValidationMessage));
+            });
+            _log.Add(UiLogLevel.Success, "工程列表已刷新。");
+        }
+        catch (Exception ex)
+        {
+            _log.Add(UiLogLevel.Error, $"刷新工程失败：{ex.Message}");
+        }
+    }
+
     [RelayCommand]
     private void OpenReportsDirectory() => OpenDirectory(Report.SavePath);
 
diff --git a/SSPCTester.UI/Views/MainWindow.xaml b/SSPCTester.UI/Views/MainWindow.xaml
index 6df516f..ecdc84c 100644
--- a/SSPCTester.UI/Views/MainWindow.xaml
+++ b/SSPCTester.UI/Views/MainWindow.xaml
@@ -37,8 +37,48 @@
                                FontSize="{StaticResource FsTitle}" FontWeight="Bold" />
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" Grid.Column="2" VerticalAlignment="Center">
-                    <Viewbox Width="26" Height="26" Margin="0,0,6,0"
-                             ToolTip="{Binding SafetyDetailText}">
+                    <Grid Width="48" Height="48" Margin="0,0,6,0"
+                          ToolTip="{Binding SafetyDetailText}">
+                        <Ellipse x:Name="AlarmHalo" IsHitTestVisible="False"
+                                 RenderTransformOrigin="0.5,0.5">
+                            <Ellipse.Fill>
+                                <RadialGradientBrush Center="0.5,0.5" GradientOrigin="0.5,0.5" RadiusX="0.5" RadiusY="0.5">
+                                    <GradientStop Color="#66FF001A" Offset="0.0" />
+                                    <GradientStop Color="#99FF1030" Offset="0.30" />
+                                    <GradientStop Color="#44FF0018" Offset="0.60" />
+                                    <GradientStop Color="#00FF0018" Offset="1.0" />
+                                </RadialGradientBrush>
+                            </Ellipse.Fill>
+                            <Ellipse.RenderTransform>
+                                <ScaleTransform ScaleX="1" ScaleY="1" />
+                            </Ellipse.RenderTransform>
+                            <Ellipse.Style>
+                                <Style TargetType="Ellipse">
+                                    <Setter Property="Opacity" Value="0" />
+                                    <Style.Triggers>
+                                        <DataTrigger Binding="{Binding AlarmLampActive}" Value="True">
+                                            <Setter Property="Opacity" Value="1" />
+                                            <DataTrigger.EnterActions>
+                                                <BeginStoryboard x:Name="AlarmHaloPulse">
+                                                    <Storyboard>
+                                                        <DoubleAnimation Storyboard.TargetProperty="Opacity"
+                                                                         From="1.0" To="0.35" Duration="0:0:0.5" AutoReverse="True" RepeatBehavior="Forever" />
+                                                        <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(ScaleTransform.ScaleX)"
+                                                                         From="0.9" To="1.12" Duration="0:0:0.5" AutoReverse="True" RepeatBehavior="Forever" />
+                                                        <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(ScaleTransform.ScaleY)"
+                                                                         From="0.9" To="1.12" Duration="0:0:0.5" AutoReverse="True" RepeatBehavior="Forever" />
+                                                    </Storyboard>
+                                                </BeginStoryboard>
+                                            </DataTrigger.EnterActions>
+                                            <DataTrigger.ExitActions>
+                                                <StopStoryboard BeginStoryboardName="AlarmHaloPulse" />
+                                            </DataTrigger.ExitActions>
+                                        </DataTrigger>
+                                    </Style.Triggers>
+                                </Style>
+                            </Ellipse.Style>
+                        </Ellipse>
+                        <Viewbox Width="36" Height="36" HorizontalAlignment="Center" VerticalAlignment="Center">
                         <Canvas Width="64" Height="64">
                             <Canvas.Resources>
                                 <RadialGradientBrush x:Key="AlarmRedGlassBrush" Center="0.34,0.16" GradientOrigin="0.34,0.16" RadiusX="0.78" RadiusY="0.78">
@@ -106,33 +146,38 @@
                                     </Style>
                                 </Path.Style>
                             </Path>
-                            <Path x:Name="AlarmSweep" Data="M17 6h8l-11 42h-8z"
-                                  Fill="White">
-                                <Path.RenderTransform>
-                                    <TranslateTransform />
-                                </Path.RenderTransform>
-                                <Path.Style>
-                                    <Style TargetType="Path">
-                                        <Setter Property="Opacity" Value="0" />
-                                        <Style.Triggers>
-                                            <DataTrigger Binding="{Binding AlarmLampActive}" Value="True">
-                                                <Setter Property="Opacity" Value=".65" />
-                                                <DataTrigger.EnterActions>
-                                                    <BeginStoryboard x:Name="AlarmSweepMove">
-                                                        <Storyboard>
-                                                            <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)"
-                                                                             From="-24" To="30" Duration="0:0:0.95" RepeatBehavior="Forever" />
-                                                        </Storyboard>
-                                                    </BeginStoryboard>
-                                                </DataTrigger.EnterActions>
-                                                <DataTrigger.ExitActions>
-                                                    <StopStoryboard BeginStoryboardName="AlarmSweepMove" />
-                                                </DataTrigger.ExitActions>
-                                            </DataTrigger>
-                                        </Style.Triggers>
-                                    </Style>
-                                </Path.Style>
-                            </Path>
+                            <Canvas Width="64" Height="64" IsHitTestVisible="False">
+                                <Canvas.Clip>
+                                    <PathGeometry Figures="M14 44V23C14 10.5 22.1 4 32 4s18 6.5 18 19v21z" />
+                                </Canvas.Clip>
+                                <Path x:Name="AlarmSweep" Data="M17 6h8l-11 42h-8z"
+                                      Fill="White">
+                                    <Path.RenderTransform>
+                                        <TranslateTransform />
+                                    </Path.RenderTransform>
+                                    <Path.Style>
+                                        <Style TargetType="Path">
+                                            <Setter Property="Opacity" Value="0" />
+                                            <Style.Triggers>
+                                                <DataTrigger Binding="{Binding AlarmLampActive}" Value="True">
+                                                    <Setter Property="Opacity" Value=".65" />
+                                                    <DataTrigger.EnterActions>
+                                                        <BeginStoryboard x:Name="AlarmSweepMove">
+                                                            <Storyboard>
+                                                                <DoubleAnimation Storyboard.TargetProperty="(UIElement.RenderTransform).(TranslateTransform.X)"
+                                                                                 From="-24" To="30" Duration="0:0:0.95" RepeatBehavior="Forever" />
+                                                            </Storyboard>
+                                                        </BeginStoryboard>
+                                                    </DataTrigger.EnterActions>
+                                                    <DataTrigger.ExitActions>
+                                                        <StopStoryboard BeginStoryboardName="AlarmSweepMove" />
+                                                    </DataTrigger.ExitActions>
+                                                </DataTrigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </Path.Style>
+                                </Path>
+                            </Canvas>
                             <Path Data="M25 13l7-3 3 6-8 3zM38 11c4 1 6 3 8 7l-5 2c-1-3-3-4-6-5z"
                                   Fill="White" Opacity=".72" />
                             <Ellipse Canvas.Left="10" Canvas.Top="39" Width="44" Height="10" Fill="#771A0000" />
@@ -167,19 +212,53 @@
                             <Path Data="M42 56v4M47 55v4M52 54v3" Stroke="#050505" StrokeThickness="2" StrokeStartLineCap="Round" StrokeEndLineCap="Round" />
                         </Canvas>
                     </Viewbox>
+                    </Grid>
                     <Button Margin="0,0,8,0" Padding="12,4"
                             Command="{Binding ToggleEmergencyAlarmCommand}"
                             IsEnabled="{Binding EmergencyOperationBusy, Converter={StaticResource InverseBoolConverter}}"
                             ToolTip="{Binding SafetyDetailText}">
                         <Button.Style>
-                            <Style TargetType="Button" BasedOn="{StaticResource DangerButton}">
+                            <Style TargetType="Button" BasedOn="{StaticResource BaseButton}">
                                 <Setter Property="Content" Value="{Binding EmergencyButtonText}" />
-                                <Style.Triggers>
-                                    <DataTrigger Binding="{Binding AlarmLampActive}" Value="False">
-                                        <Setter Property="Background" Value="{StaticResource WarningBrush}" />
-                                        <Setter Property="Foreground" Value="White" />
-                                    </DataTrigger>
-                                </Style.Triggers>
+                                <Setter Property="Background" Value="{StaticResource DangerBrush}" />
+                                <Setter Property="BorderBrush" Value="{StaticResource DangerBrush}" />
+                                <Setter Property="Foreground" Value="{StaticResource TextInverseBrush}" />
+                                <Setter Property="FontWeight" Value="SemiBold" />
+                                <Setter Property="Template">
+                                    <Setter.Value>
+                                        <ControlTemplate TargetType="Button">
+                                            <Border x:Name="EmergencyButtonChrome"
+                                                    Background="{TemplateBinding Background}"
+                                                    BorderBrush="{TemplateBinding BorderBrush}"
+                                                    BorderThickness="{TemplateBinding BorderThickness}"
+                                                    CornerRadius="{StaticResource RadiusMd}"
+                                                    SnapsToDevicePixels="True">
+                                                <TextBlock x:Name="EmergencyButtonText"
+                                                           Text="{Binding Content, RelativeSource={RelativeSource TemplatedParent}}"
+                                                           Foreground="{Binding Foreground, RelativeSource={RelativeSource TemplatedParent}}"
+                                                           FontFamily="{Binding FontFamily, RelativeSource={RelativeSource TemplatedParent}}"
+                                                           FontSize="{Binding FontSize, RelativeSource={RelativeSource TemplatedParent}}"
+                                                           FontWeight="{Binding FontWeight, RelativeSource={RelativeSource TemplatedParent}}"
+                                                           HorizontalAlignment="Center"
+                                                           VerticalAlignment="Center"
+                                                           Margin="{TemplateBinding Padding}" />
+                                            </Border>
+                                            <ControlTemplate.Triggers>
+                                                <Trigger Property="IsMouseOver" Value="True">
+                                                    <Setter TargetName="EmergencyButtonChrome" Property="Background" Value="#EAF3FC" />
+                                                    <Setter TargetName="EmergencyButtonChrome" Property="BorderBrush" Value="{StaticResource DangerBrush}" />
+                                                    <Setter Property="Foreground" Value="#000000" />
+                                                </Trigger>
+                                                <Trigger Property="IsPressed" Value="True">
+                                                    <Setter TargetName="EmergencyButtonChrome" Property="Opacity" Value="0.9" />
+                                                </Trigger>
+                                                <Trigger Property="IsEnabled" Value="False">
+                                                    <Setter Property="Opacity" Value="0.5" />
+                                                </Trigger>
+                                            </ControlTemplate.Triggers>
+                                        </ControlTemplate>
+                                    </Setter.Value>
+                                </Setter>
                             </Style>
                         </Button.Style>
                     </Button>
@@ -273,18 +352,6 @@
                         </Grid>
                     </Border>
 
-                    <Button DockPanel.Dock="Bottom" Margin="12,8" Height="30" HorizontalContentAlignment="Left"
-                            Padding="10,0" Command="{Binding OpenProjectsFolderCommand}">
-                        <StackPanel Orientation="Horizontal">
-                            <Viewbox Width="14" Height="14" Margin="0,0,6,0">
-                                <Canvas Width="24" Height="24">
-                                    <Path Data="{StaticResource FolderGeometry}" Fill="{StaticResource TextSecondaryBrush}" />
-                                </Canvas>
-                            </Viewbox>
-                            <TextBlock Text="打开项目文件夹" />
-                        </StackPanel>
-                    </Button>
-
                     <TreeView x:Name="ProjectTree" ItemsSource="{Binding TreeRoots}"
                               MouseDoubleClick="ProjectTree_MouseDoubleClick" Padding="6,6">
                         <TreeView.Resources>
diff --git a/SSPCTester.UI/Views/SettingsManualView.xaml b/SSPCTester.UI/Views/SettingsManualView.xaml
index 42fee4c..e29e7a1 100644
--- a/SSPCTester.UI/Views/SettingsManualView.xaml
+++ b/SSPCTester.UI/Views/SettingsManualView.xaml
@@ -277,12 +277,12 @@
                             <ColumnDefinition Width="70" />
                             <ColumnDefinition Width="*" />
                             <ColumnDefinition Width="70" />
-                            <ColumnDefinition Width="80" />
+                            <ColumnDefinition Width="92" />
                         </Grid.ColumnDefinitions>
                         <TextBlock Text="根目录" Style="{StaticResource FieldLabel}" />
                         <TextBox Grid.Column="1" Text="{Binding Storage.ProjectsRoot, UpdateSourceTrigger=PropertyChanged}" TextChanged="DraftChanged" FontFamily="{StaticResource FontMono}" />
-                        <Button Grid.Column="2" Margin="8,0,0,0" Content="浏览" Command="{Binding BrowseProjectsCommand}" />
-                        <Button Grid.Column="3" Margin="8,0,0,0" Content="打开" Command="{Binding OpenProjectsDirectoryCommand}" />
+                        <Button Grid.Column="2" Margin="8,0,0,0" Content="设置" Command="{Binding BrowseProjectsCommand}" />
+                        <Button Grid.Column="3" Margin="8,0,0,0" Content="刷新工程" Command="{Binding RefreshProjectsCommand}" />
                     </Grid>
                 </Grid>
             </Border>