diff --git a/code/backend/api/views.py b/code/backend/api/views.py
index b81517b..cd13bd8 100644
--- a/code/backend/api/views.py
+++ b/code/backend/api/views.py
@@ -75,49 +75,44 @@ def tools_list(request):
 
 @api_view(['GET'])
 def lobster_memory_dates(request, lobster_id):
-    """获取龙虾有日记的日期列表"""
-    # 获取龙虾工作区
-    lobster_map = {
-        1: 'flying-hero',
-        2: 'daotong',
-        3: 'coder',
-        4: 'web',
-        5: 'physics',
-        6: 'watcher',
-    }
-    
-    lobster_name = lobster_map.get(lobster_id)
-    if not lobster_name:
+    """获取龙虾有工作记忆的日期列表 - 从数据库读取"""
+    try:
+        lobster = Lobster.objects.get(id=lobster_id)
+    except Lobster.DoesNotExist:
         return Response({'error': '龙虾不存在'}, status=404)
     
-    # 记忆文件目录
-    memory_dir = Path(f'/home/node/.openclaw/workspace/flying-hero/memory')
+    # 从数据库查询工作记忆
+    diaries = LobsterDiary.objects.filter(
+        lobster=lobster,
+        category='memory'
+    ).values_list('date', flat=True).distinct()
     
-    # 获取所有日记文件
-    dates = []
-    if memory_dir.exists():
-        for file in memory_dir.glob('*.md'):
-            # 提取日期 (YYYY-MM-DD.md)
-            match = re.match(r'(\d{4}-\d{2}-\d{2})\.md', file.name)
-            if match:
-                dates.append(match.group(1))
-    
-    dates.sort(reverse=True)
+    dates = [str(date) for date in sorted(diaries, reverse=True)]
     return Response({'dates': dates})
 
 @api_view(['GET'])
 def lobster_memory_detail(request, lobster_id, date):
-    """获取指定日期的日记内容"""
-    memory_file = Path(f'/home/node/.openclaw/workspace/flying-hero/memory/{date}.md')
+    """获取指定日期的工作记忆内容 - 从数据库读取"""
+    try:
+        lobster = Lobster.objects.get(id=lobster_id)
+    except Lobster.DoesNotExist:
+        return Response({'error': '龙虾不存在'}, status=404)
     
-    if not memory_file.exists():
-        return Response({'error': '该日期没有日记'}, status=404)
-    
-    content = memory_file.read_text(encoding='utf-8')
-    return Response({
-        'date': date,
-        'content': content
-    })
+    # 从数据库查询工作记忆
+    try:
+        diary = LobsterDiary.objects.get(
+            lobster=lobster,
+            date=date,
+            category='memory'
+        )
+        return Response({
+            'date': str(diary.date),
+            'content': diary.content,
+            'title': diary.title,
+            'tags': diary.tags,
+        })
+    except LobsterDiary.DoesNotExist:
+        return Response({'error': '该日期没有工作记忆'}, status=404)
 
 @api_view(['GET'])
 def lobster_diary_dates(request, lobster_id):