diff --git a/backend/package/yuxi/agents/buildin/chatbot/graph.py b/backend/package/yuxi/agents/buildin/chatbot/graph.py
index eed516be..6716dbe0 100644
--- a/backend/package/yuxi/agents/buildin/chatbot/graph.py
+++ b/backend/package/yuxi/agents/buildin/chatbot/graph.py
@@ -2,7 +2,7 @@ from deepagents.middleware.filesystem import FilesystemMiddleware
 from deepagents.middleware.patch_tool_calls import PatchToolCallsMiddleware
 from deepagents.middleware.subagents import SubAgentMiddleware
 from langchain.agents import create_agent
-from langchain.agents.middleware import ModelRetryMiddleware
+from langchain.agents.middleware import ModelRetryMiddleware, TodoListMiddleware
 
 from yuxi.agents import BaseAgent, BaseState, load_chat_model
 from yuxi.agents.backends import create_agent_composite_backend
@@ -47,15 +47,16 @@ async def _build_middlewares(context):
     )
     # all middlewares
     middlewares = [
-        save_attachments_to_fs,  # 附件注入提示词
         FilesystemMiddleware(backend=create_agent_composite_backend),  # 文件系统后端
+        save_attachments_to_fs,  # 附件注入提示词
         KnowledgeBaseMiddleware(),  # 知识库工具
         RuntimeConfigMiddleware(extra_tools=all_mcp_tools),  # 运行时配置应用（模型/工具/MCP/提示词）
         SkillsMiddleware(),  # Skills 中间件（提示词注入、依赖展开、动态激活）
         subagents_middleware,
         summary_middleware,
-        ModelRetryMiddleware(),  # 模型重试中间件
+        TodoListMiddleware(system_prompt="任务结束前，应该检查维护的待办事项列表是否结束。"),
         PatchToolCallsMiddleware(),
+        ModelRetryMiddleware(),  # 模型重试中间件
     ]
 
     return middlewares
diff --git a/backend/package/yuxi/agents/buildin/chatbot/prompt.py b/backend/package/yuxi/agents/buildin/chatbot/prompt.py
index 890795b6..367fd924 100644
--- a/backend/package/yuxi/agents/buildin/chatbot/prompt.py
+++ b/backend/package/yuxi/agents/buildin/chatbot/prompt.py
@@ -14,4 +14,6 @@ PROMPT = """
 当需要精准获取信息的时候，或者 query_kb 中没有找到相关的内容，还可以直接访问知识库文件系统
 （路径为 /home/gem/kbs/）来获取信息。
 源文件可能无法解析，可以在 /home/gem/kbs/<db_name>/parsed/ 中找到解析后的 markdown 文件。
+
+你需要根据任务的复杂程度来使用 write_todos 来记录规划和待办事项，确保任务的每个步骤都被记录和跟踪。
 """
diff --git a/backend/package/yuxi/agents/context.py b/backend/package/yuxi/agents/context.py
index 62901df6..cc9c20e5 100644
--- a/backend/package/yuxi/agents/context.py
+++ b/backend/package/yuxi/agents/context.py
@@ -48,8 +48,8 @@ class BaseContext:
         },
     )
 
-    tools: Annotated[list[dict], {"__template_metadata__": {"kind": "tools"}}] = field(
-        default_factory=list,
+    tools: Annotated[list[str], {"__template_metadata__": {"kind": "tools"}}] = field(
+        default_factory=lambda: ["ask_user_question", "tavily_search"],
         metadata={
             "name": "工具",
             "description": "内置的工具。",