diff --git a/app/Exports/ActivityLogExport.php b/app/Exports/ActivityLogExport.php
new file mode 100644
index 0000000..faa16bb
--- /dev/null
+++ b/app/Exports/ActivityLogExport.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Exports;
+
+use Maatwebsite\Excel\Concerns\FromQuery;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithMapping;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use Spatie\Activitylog\Models\Activity;
+
+class ActivityLogExport implements FromQuery, WithHeadings, WithMapping, WithStyles
+{
+    protected $query;
+
+    public function __construct($query)
+    {
+        $this->query = $query;
+    }
+
+    /**
+     * 查询数据
+     */
+    public function query()
+    {
+        return $this->query;
+    }
+
+    /**
+     * 表头
+     */
+    public function headings(): array
+    {
+        return [
+            '操作时间',
+            '操作用户',
+            '操作类型',
+            '对象类型',
+            '对象ID',
+            '日志名称',
+            '变更详情',
+        ];
+    }
+
+    /**
+     * 数据映射
+     */
+    public function map($activity): array
+    {
+        // 格式化操作类型
+        $description = match ($activity->description) {
+            'created' => '创建',
+            'updated' => '更新',
+            'deleted' => '删除',
+            default => $activity->description,
+        };
+
+        // 格式化对象类型
+        $subjectType = '-';
+        if ($activity->subject_type) {
+            $className = class_basename($activity->subject_type);
+            $subjectType = match ($className) {
+                'SystemSetting' => '系统设置',
+                'User' => '用户',
+                'Document' => '文档',
+                'Group' => '分组',
+                'Terminal' => '终端',
+                'SopTemplate' => 'SOP模板',
+                default => $className,
+            };
+        }
+
+        // 格式化变更详情
+        $changes = '';
+        if (is_array($activity->properties)) {
+            $changesArray = [];
+            if (isset($activity->properties['attributes'])) {
+                $changesArray[] = '新值: ' . json_encode($activity->properties['attributes'], JSON_UNESCAPED_UNICODE);
+            }
+            if (isset($activity->properties['old'])) {
+                $changesArray[] = '旧值: ' . json_encode($activity->properties['old'], JSON_UNESCAPED_UNICODE);
+            }
+            $changes = implode(' | ', $changesArray);
+        }
+
+        return [
+            $activity->created_at->format('Y-m-d H:i:s'),
+            $activity->causer?->name ?? '系统',
+            $description,
+            $subjectType,
+            $activity->subject_id ?? '-',
+            $activity->log_name ?? 'default',
+            $changes,
+        ];
+    }
+
+    /**
+     * 样式设置
+     */
+    public function styles(Worksheet $sheet)
+    {
+        return [
+            // 表头样式
+            1 => [
+                'font' => ['bold' => true],
+                'fill' => [
+                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
+                    'startColor' => ['rgb' => 'E2E8F0'],
+                ],
+            ],
+        ];
+    }
+}