diff --git a/app/Filament/Resources/ActivityLogResource.php b/app/Filament/Resources/ActivityLogResource.php
new file mode 100644
index 0000000..7669469
--- /dev/null
+++ b/app/Filament/Resources/ActivityLogResource.php
@@ -0,0 +1,249 @@
+<?php
+
+namespace App\Filament\Resources;
+
+use App\Filament\Resources\ActivityLogResource\Pages;
+use App\Exports\ActivityLogExport;
+use Filament\Forms\Form;
+use Filament\Resources\Resource;
+use Filament\Tables;
+use Filament\Tables\Table;
+use Maatwebsite\Excel\Facades\Excel;
+use Spatie\Activitylog\Models\Activity;
+
+class ActivityLogResource extends Resource
+{
+    protected static ?string $model = Activity::class;
+
+    protected static ?string $navigationIcon = 'heroicon-o-clipboard-document-list';
+
+    protected static ?string $navigationLabel = '操作日志';
+
+    protected static ?string $modelLabel = '操作日志';
+
+    protected static ?string $pluralModelLabel = '操作日志';
+
+    protected static ?int $navigationSort = 2;
+
+    // 禁用创建功能
+    public static function canCreate(): bool
+    {
+        return false;
+    }
+
+    public static function form(Form $form): Form
+    {
+        return $form
+            ->schema([
+                // 只读资源，不需要表单
+            ]);
+    }
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                Tables\Columns\TextColumn::make('created_at')
+                    ->label('操作时间')
+                    ->dateTime('Y-m-d H:i:s')
+                    ->sortable()
+                    ->searchable(),
+
+                Tables\Columns\TextColumn::make('causer.name')
+                    ->label('操作用户')
+                    ->searchable()
+                    ->sortable()
+                    ->default('系统')
+                    ->placeholder('系统'),
+
+                Tables\Columns\TextColumn::make('description')
+                    ->label('操作类型')
+                    ->badge()
+                    ->color(fn (string $state): string => match ($state) {
+                        'created' => 'success',
+                        'updated' => 'info',
+                        'deleted' => 'danger',
+                        default => 'gray',
+                    })
+                    ->formatStateUsing(fn (string $state): string => match ($state) {
+                        'created' => '创建',
+                        'updated' => '更新',
+                        'deleted' => '删除',
+                        default => $state,
+                    })
+                    ->searchable()
+                    ->sortable(),
+
+                Tables\Columns\TextColumn::make('subject_type')
+                    ->label('操作对象')
+                    ->formatStateUsing(function (?string $state): string {
+                        if (!$state) {
+                            return '-';
+                        }
+                        // 提取类名
+                        $className = class_basename($state);
+                        // 转换为中文
+                        return match ($className) {
+                            'SystemSetting' => '系统设置',
+                            'User' => '用户',
+                            'Document' => '文档',
+                            'Group' => '分组',
+                            'Terminal' => '终端',
+                            'SopTemplate' => 'SOP模板',
+                            default => $className,
+                        };
+                    })
+                    ->searchable()
+                    ->sortable(),
+
+                Tables\Columns\TextColumn::make('subject_id')
+                    ->label('对象ID')
+                    ->searchable()
+                    ->sortable()
+                    ->toggleable(),
+
+                Tables\Columns\TextColumn::make('properties')
+                    ->label('详情')
+                    ->limit(50)
+                    ->tooltip(function (Tables\Columns\TextColumn $column): ?string {
+                        $state = $column->getState();
+                        if (is_array($state)) {
+                            return json_encode($state, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+                        }
+                        return null;
+                    })
+                    ->formatStateUsing(function ($state): string {
+                        if (is_array($state)) {
+                            $summary = [];
+                            if (isset($state['attributes'])) {
+                                $summary[] = '新值: ' . count($state['attributes']) . '项';
+                            }
+                            if (isset($state['old'])) {
+                                $summary[] = '旧值: ' . count($state['old']) . '项';
+                            }
+                            return implode(', ', $summary) ?: '无变更';
+                        }
+                        return '-';
+                    })
+                    ->toggleable(),
+            ])
+            ->defaultSort('created_at', 'desc')
+            ->filters([
+                // 时间范围筛选
+                Tables\Filters\Filter::make('created_at')
+                    ->form([
+                        \Filament\Forms\Components\DatePicker::make('created_from')
+                            ->label('开始时间')
+                            ->placeholder('选择开始时间'),
+                        \Filament\Forms\Components\DatePicker::make('created_until')
+                            ->label('结束时间')
+                            ->placeholder('选择结束时间'),
+                    ])
+                    ->query(function ($query, array $data) {
+                        return $query
+                            ->when($data['created_from'], fn ($query, $date) => $query->whereDate('created_at', '>=', $date))
+                            ->when($data['created_until'], fn ($query, $date) => $query->whereDate('created_at', '<=', $date));
+                    })
+                    ->indicateUsing(function (array $data): array {
+                        $indicators = [];
+                        if ($data['created_from'] ?? null) {
+                            $indicators[] = Tables\Filters\Indicator::make('开始时间: ' . \Carbon\Carbon::parse($data['created_from'])->format('Y-m-d'))
+                                ->removeField('created_from');
+                        }
+                        if ($data['created_until'] ?? null) {
+                            $indicators[] = Tables\Filters\Indicator::make('结束时间: ' . \Carbon\Carbon::parse($data['created_until'])->format('Y-m-d'))
+                                ->removeField('created_until');
+                        }
+                        return $indicators;
+                    }),
+
+                // 操作类型筛选
+                Tables\Filters\SelectFilter::make('description')
+                    ->label('操作类型')
+                    ->options([
+                        'created' => '创建',
+                        'updated' => '更新',
+                        'deleted' => '删除',
+                    ])
+                    ->placeholder('全部类型'),
+
+                // 用户筛选
+                Tables\Filters\SelectFilter::make('causer_id')
+                    ->label('操作用户')
+                    ->relationship('causer', 'name')
+                    ->searchable()
+                    ->preload()
+                    ->placeholder('全部用户'),
+
+                // 对象类型筛选
+                Tables\Filters\SelectFilter::make('subject_type')
+                    ->label('对象类型')
+                    ->options([
+                        'App\\Models\\SystemSetting' => '系统设置',
+                        'App\\Models\\User' => '用户',
+                        'App\\Models\\Document' => '文档',
+                        'App\\Models\\Group' => '分组',
+                        'App\\Models\\Terminal' => '终端',
+                        'App\\Models\\SopTemplate' => 'SOP模板',
+                    ])
+                    ->placeholder('全部类型'),
+            ])
+            ->actions([
+                Tables\Actions\ViewAction::make()
+                    ->label('查看'),
+            ])
+            ->bulkActions([
+                // 不允许批量操作
+            ])
+            ->headerActions([
+                // 导出操作
+                Tables\Actions\Action::make('export')
+                    ->label('导出日志')
+                    ->icon('heroicon-o-arrow-down-tray')
+                    ->form([
+                        \Filament\Forms\Components\Select::make('format')
+                            ->label('导出格式')
+                            ->options([
+                                'xlsx' => 'Excel (XLSX)',
+                                'csv' => 'CSV',
+                            ])
+                            ->default('xlsx')
+                            ->required(),
+                    ])
+                    ->action(function (array $data, Table $table) {
+                        // 获取当前筛选后的查询
+                        $query = $table->getFilteredTableQuery();
+                        
+                        // 导出文件名
+                        $filename = '操作日志_' . now()->format('YmdHis');
+                        
+                        // 根据格式导出
+                        if ($data['format'] === 'csv') {
+                            return Excel::download(
+                                new ActivityLogExport($query),
+                                $filename . '.csv',
+                                \Maatwebsite\Excel\Excel::CSV
+                            );
+                        }
+                        
+                        return Excel::download(
+                            new ActivityLogExport($query),
+                            $filename . '.xlsx'
+                        );
+                    })
+                    ->color('success')
+                    ->requiresConfirmation()
+                    ->modalHeading('导出操作日志')
+                    ->modalDescription('将根据当前筛选条件导出日志数据')
+                    ->modalSubmitActionLabel('确认导出'),
+            ]);
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => Pages\ListActivityLogs::route('/'),
+            'view' => Pages\ViewActivityLog::route('/{record}'),
+        ];
+    }
+}
diff --git a/app/Filament/Resources/ActivityLogResource/Pages/ListActivityLogs.php b/app/Filament/Resources/ActivityLogResource/Pages/ListActivityLogs.php
new file mode 100644
index 0000000..c9d26ff
--- /dev/null
+++ b/app/Filament/Resources/ActivityLogResource/Pages/ListActivityLogs.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Filament\Resources\ActivityLogResource\Pages;
+
+use App\Filament\Resources\ActivityLogResource;
+use Filament\Resources\Pages\ListRecords;
+
+class ListActivityLogs extends ListRecords
+{
+    protected static string $resource = ActivityLogResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            // 不允许创建操作
+        ];
+    }
+}
diff --git a/app/Filament/Resources/ActivityLogResource/Pages/ViewActivityLog.php b/app/Filament/Resources/ActivityLogResource/Pages/ViewActivityLog.php
new file mode 100644
index 0000000..4b3e94f
--- /dev/null
+++ b/app/Filament/Resources/ActivityLogResource/Pages/ViewActivityLog.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Filament\Resources\ActivityLogResource\Pages;
+
+use App\Filament\Resources\ActivityLogResource;
+use Filament\Infolists;
+use Filament\Infolists\Infolist;
+use Filament\Resources\Pages\ViewRecord;
+
+class ViewActivityLog extends ViewRecord
+{
+    protected static string $resource = ActivityLogResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            // 不允许编辑和删除操作
+        ];
+    }
+
+    public function infolist(Infolist $infolist): Infolist
+    {
+        return $infolist
+            ->schema([
+                Infolists\Components\Section::make('基本信息')
+                    ->schema([
+                        Infolists\Components\TextEntry::make('created_at')
+                            ->label('操作时间')
+                            ->dateTime('Y-m-d H:i:s'),
+
+                        Infolists\Components\TextEntry::make('causer.name')
+                            ->label('操作用户')
+                            ->default('系统'),
+
+                        Infolists\Components\TextEntry::make('description')
+                            ->label('操作类型')
+                            ->badge()
+                            ->color(fn (string $state): string => match ($state) {
+                                'created' => 'success',
+                                'updated' => 'info',
+                                'deleted' => 'danger',
+                                default => 'gray',
+                            })
+                            ->formatStateUsing(fn (string $state): string => match ($state) {
+                                'created' => '创建',
+                                'updated' => '更新',
+                                'deleted' => '删除',
+                                default => $state,
+                            }),
+
+                        Infolists\Components\TextEntry::make('subject_type')
+                            ->label('操作对象类型')
+                            ->formatStateUsing(function (?string $state): string {
+                                if (!$state) {
+                                    return '-';
+                                }
+                                $className = class_basename($state);
+                                return match ($className) {
+                                    'SystemSetting' => '系统设置',
+                                    'User' => '用户',
+                                    'Document' => '文档',
+                                    'Group' => '分组',
+                                    'Terminal' => '终端',
+                                    'SopTemplate' => 'SOP模板',
+                                    default => $className,
+                                };
+                            }),
+
+                        Infolists\Components\TextEntry::make('subject_id')
+                            ->label('对象ID'),
+
+                        Infolists\Components\TextEntry::make('log_name')
+                            ->label('日志名称')
+                            ->default('default'),
+                    ])
+                    ->columns(2),
+
+                Infolists\Components\Section::make('变更详情')
+                    ->schema([
+                        Infolists\Components\ViewEntry::make('properties')
+                            ->label('')
+                            ->view('filament.infolists.components.activity-log-diff')
+                            ->columnSpanFull()
+                            ->visible(fn ($record) => !empty($record->properties)),
+                    ])
+                    ->collapsible(),
+            ]);
+    }
+}
diff --git a/resources/views/filament/infolists/components/activity-log-diff.blade.php b/resources/views/filament/infolists/components/activity-log-diff.blade.php
new file mode 100644
index 0000000..e382fb6
--- /dev/null
+++ b/resources/views/filament/infolists/components/activity-log-diff.blade.php
@@ -0,0 +1,103 @@
+<div class="space-y-4">
+    @php
+        $properties = $getState();
+        $old = $properties['old'] ?? [];
+        $attributes = $properties['attributes'] ?? [];
+        
+        // 获取所有键
+        $allKeys = array_unique(array_merge(array_keys($old), array_keys($attributes)));
+    @endphp
+
+    @if(empty($allKeys))
+        <div class="text-sm text-gray-500 dark:text-gray-400">
+            无变更数据
+        </div>
+    @else
+        <div class="overflow-hidden rounded-lg border border-gray-200 dark:border-gray-700">
+            <table class="min-w-full divide-y divide-gray-200 dark:divide-gray-700">
+                <thead class="bg-gray-50 dark:bg-gray-800">
+                    <tr>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider w-1/4">
+                            字段
+                        </th>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider w-3/8">
+                            旧值
+                        </th>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-400 uppercase tracking-wider w-3/8">
+                            新值
+                        </th>
+                    </tr>
+                </thead>
+                <tbody class="bg-white dark:bg-gray-900 divide-y divide-gray-200 dark:divide-gray-700">
+                    @foreach($allKeys as $key)
+                        @php
+                            $oldValue = $old[$key] ?? null;
+                            $newValue = $attributes[$key] ?? null;
+                            $hasChanged = $oldValue !== $newValue;
+                        @endphp
+                        <tr class="{{ $hasChanged ? 'bg-yellow-50 dark:bg-yellow-900/10' : '' }}">
+                            <td class="px-4 py-3 text-sm font-medium text-gray-900 dark:text-gray-100">
+                                {{ $key }}
+                                @if($hasChanged)
+                                    <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-yellow-100 text-yellow-800 dark:bg-yellow-900 dark:text-yellow-200">
+                                        已变更
+                                    </span>
+                                @endif
+                            </td>
+                            <td class="px-4 py-3 text-sm text-gray-500 dark:text-gray-400">
+                                @if($oldValue !== null)
+                                    <div class="font-mono text-xs bg-red-50 dark:bg-red-900/20 text-red-700 dark:text-red-300 p-2 rounded border border-red-200 dark:border-red-800">
+                                        @if(is_array($oldValue) || is_object($oldValue))
+                                            <pre class="whitespace-pre-wrap break-words">{{ json_encode($oldValue, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) }}</pre>
+                                        @else
+                                            {{ $oldValue }}
+                                        @endif
+                                    </div>
+                                @else
+                                    <span class="text-gray-400 dark:text-gray-600 italic">-</span>
+                                @endif
+                            </td>
+                            <td class="px-4 py-3 text-sm text-gray-500 dark:text-gray-400">
+                                @if($newValue !== null)
+                                    <div class="font-mono text-xs bg-green-50 dark:bg-green-900/20 text-green-700 dark:text-green-300 p-2 rounded border border-green-200 dark:border-green-800">
+                                        @if(is_array($newValue) || is_object($newValue))
+                                            <pre class="whitespace-pre-wrap break-words">{{ json_encode($newValue, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) }}</pre>
+                                        @else
+                                            {{ $newValue }}
+                                        @endif
+                                    </div>
+                                @else
+                                    <span class="text-gray-400 dark:text-gray-600 italic">-</span>
+                                @endif
+                            </td>
+                        </tr>
+                    @endforeach
+                </tbody>
+            </table>
+        </div>
+
+        @if(!empty($old) || !empty($attributes))
+            <div class="mt-4 p-4 bg-gray-50 dark:bg-gray-800 rounded-lg">
+                <details class="space-y-2">
+                    <summary class="cursor-pointer text-sm font-medium text-gray-700 dark:text-gray-300 hover:text-gray-900 dark:hover:text-gray-100">
+                        查看原始 JSON 数据
+                    </summary>
+                    <div class="mt-2 space-y-2">
+                        @if(!empty($old))
+                            <div>
+                                <div class="text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">旧值 (JSON):</div>
+                                <pre class="text-xs bg-white dark:bg-gray-900 p-3 rounded border border-gray-200 dark:border-gray-700 overflow-x-auto">{{ json_encode($old, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) }}</pre>
+                            </div>
+                        @endif
+                        @if(!empty($attributes))
+                            <div>
+                                <div class="text-xs font-medium text-gray-600 dark:text-gray-400 mb-1">新值 (JSON):</div>
+                                <pre class="text-xs bg-white dark:bg-gray-900 p-3 rounded border border-gray-200 dark:border-gray-700 overflow-x-auto">{{ json_encode($attributes, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) }}</pre>
+                            </div>
+                        @endif
+                    </div>
+                </details>
+            </div>
+        @endif
+    @endif
+</div>