diff --git a/backend/open_webui/memory/mem0.py b/backend/open_webui/memory/mem0.py
index 23dd9c032a..fa0d31ab1d 100644
--- a/backend/open_webui/memory/mem0.py
+++ b/backend/open_webui/memory/mem0.py
@@ -28,7 +28,7 @@ async def mem0_search(user_id: str, chat_id: str, last_message: str) -> list[str
         log.debug(f"Mem0 search failed: {e}")
         return []
 
-async def mem0_search_and_add(user_id: str, chat_id: str, last_message: str) -> list[str]:
+async def mem0_search_and_add(user_id: str, chat_id: str, last_message: str) -> list[Dict]:
     """
     检索并添加记忆，添加记忆使用mem0 的add功能，返回若干相关记忆条目（字符串）。
     增加 chat_id 便于按会话窗口区分/隔离记忆。
@@ -45,7 +45,7 @@ async def mem0_search_and_add(user_id: str, chat_id: str, last_message: str) ->
             memories=[]
         else:
             log.info(f"mem0_search_and_add found {len(serach_rst['results'])} results")
-            memories=[item.get("memory", item.get("text", "")) for item in serach_rst["results"]]
+            memories=serach_rst["results"]
         added_messages= [{"role": "user", "content": last_message}]
         memory_client.add(added_messages, user_id=user_id,enable_graph=True,async_mode=False, metadata={"session_id": chat_id})
         log.info(f"mem0_add added message for user_id: {user_id}")
diff --git a/backend/open_webui/utils/middleware.py b/backend/open_webui/utils/middleware.py
index f32bb5a5e3..29f7dbd0c2 100644
--- a/backend/open_webui/utils/middleware.py
+++ b/backend/open_webui/utils/middleware.py
@@ -545,13 +545,37 @@ async def chat_memory_handler(
         entries.append(f"[{created_at_date}] {mem.content}")
 
     # 3.2 Mem0 检索结果
+    '''
+      {
+    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
+    "memory": "<string>",
+    "user_id": "<string>",
+    "metadata": {},
+    "categories": [
+      "<string>"
+    ],
+    "immutable": false,
+    "expiration_date": null,
+    "created_at": "2023-11-07T05:31:56Z",
+    "updated_at": "2023-11-07T05:31:56Z"
+  }
+    '''
     for item in mem0_results:
-        entries.append(f"[Mem0] {item}")
+        memory_content = item["memory"] if isinstance(item, dict) else item
+        created_at_date = time.strftime("%Y-%m-%d", time.localtime(item.get("created_at", 0))) if isinstance(item, dict) else "Unknown Date"
+        categories = item.get("categories", []) if isinstance(item, dict) else []
+        if categories:
+            entries.append(f"[{created_at_date}] {memory_content} (Categories: {', '.join(categories)})")
+        else:
+            entries.append(f"[{created_at_date}] {memory_content}")
+
 
     if not entries:
         return form_data
 
-    user_context = ""
+    #排序
+    entries.sort(key=lambda x: x.split("]")[0], reverse=True)
+    user_context = "以下为检索到的相关记忆条目（按时间顺序）：\n\n"
     for idx, entry in enumerate(entries):
         user_context += f"{idx + 1}. {entry}\n"