diff --git a/backend/main.py b/backend/main.py
index e92c7a17..982e8550 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -1319,6 +1319,45 @@ class AppServer:
                 self.logger.error(f'检查会话检测数据存在失败: {e}')
                 return jsonify({'success': False, 'error': str(e)}), 500
         
+        @self.app.route('/api/detection/<session_id>/get_data', methods=['GET'])
+        def get_session_detection_data(session_id: str):        
+            try:
+                if not self.db_manager:
+                    return jsonify({'success': False, 'error': '数据库管理器未初始化'}), 500
+
+                # 获取检测数据和视频数据
+                session_data = self.db_manager.get_session_data(session_id)
+                if not session_data:
+                    return jsonify({'success': False, 'error': '会话不存在'}), 404
+
+                result_data = []
+                
+                # 处理检测数据
+                if 'data' in session_data:
+                    for item in session_data['data']:
+                        item_copy = item.copy()
+                        item_copy['type'] = 'data'
+                        result_data.append(item_copy)
+                
+                # 处理视频数据
+                if 'videos' in session_data:
+                    for item in session_data['videos']:
+                        item_copy = item.copy()
+                        item_copy['type'] = 'video'
+                        result_data.append(item_copy)
+                
+                # 按时间戳排序
+                result_data.sort(key=lambda x: x.get('timestamp', ''), reverse=False)
+
+                return jsonify({
+                    'success': True, 
+                    'session_id': session_id, 
+                    'data': result_data
+                })
+            except Exception as e:
+                self.logger.error(f'获取会话检测数据失败: {e}')
+                return jsonify({'success': False, 'error': str(e)}), 500
+
         @self.app.route('/api/detection/<session_id>/stop', methods=['POST'])
         def stop_detection(session_id):
             """停止检测"""