diff --git a/src/mindpilot/app/api/api_schemas.py b/src/mindpilot/app/api/api_schemas.py
index 18e565a..39b0e1b 100644
--- a/src/mindpilot/app/api/api_schemas.py
+++ b/src/mindpilot/app/api/api_schemas.py
@@ -15,7 +15,7 @@ from openai.types.chat import (
 from ..utils.system_utils import MsgType
 
 TEMPERATURE = 0.8
-from ..pydantic_v2 import AnyUrl, BaseModel, Field
+from src.mindpilot.app.utils.pydantic_v2 import AnyUrl, BaseModel, Field
 
 
 class OpenAIBaseInput(BaseModel):
diff --git a/src/mindpilot/app/chat/utils.py b/src/mindpilot/app/chat/utils.py
index 7476b0a..4f52e6f 100644
--- a/src/mindpilot/app/chat/utils.py
+++ b/src/mindpilot/app/chat/utils.py
@@ -1,8 +1,8 @@
-from typing import Dict, List, Tuple, Union
+from typing import List, Union
 from langchain.prompts.chat import ChatMessagePromptTemplate
-from ..pydantic_v2 import BaseModel, Field
+from src.mindpilot.app.utils.pydantic_v2 import BaseModel, Field
 import logging
-from typing import AsyncGenerator, Dict, Iterable, Tuple
+from typing import Dict, Tuple
 
 logger = logging.getLogger()
 
diff --git a/src/mindpilot/app/tools/arxiv.py b/src/mindpilot/app/tools/arxiv.py
index f8ff68b..c4ef2fa 100644
--- a/src/mindpilot/app/tools/arxiv.py
+++ b/src/mindpilot/app/tools/arxiv.py
@@ -1,5 +1,5 @@
 # LangChain 的 ArxivQueryRun 工具
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 
 from .tools_registry import BaseToolOutput, regist_tool
 
diff --git a/src/mindpilot/app/tools/calculate.py b/src/mindpilot/app/tools/calculate.py
index 46cd400..d40ee8b 100644
--- a/src/mindpilot/app/tools/calculate.py
+++ b/src/mindpilot/app/tools/calculate.py
@@ -1,4 +1,4 @@
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 
 from .tools_registry import BaseToolOutput, regist_tool
 
diff --git a/src/mindpilot/app/tools/search_internet.py b/src/mindpilot/app/tools/search_internet.py
index ae581ce..2f79ab5 100644
--- a/src/mindpilot/app/tools/search_internet.py
+++ b/src/mindpilot/app/tools/search_internet.py
@@ -8,7 +8,7 @@ from markdownify import markdownify
 from strsimpy.normalized_levenshtein import NormalizedLevenshtein
 
 
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 # from chatchat.server.utils import get_tool_config
 
 from .tools_registry import BaseToolOutput, regist_tool
diff --git a/src/mindpilot/app/tools/shell.py b/src/mindpilot/app/tools/shell.py
index c709d96..b5abbfa 100644
--- a/src/mindpilot/app/tools/shell.py
+++ b/src/mindpilot/app/tools/shell.py
@@ -1,7 +1,7 @@
 # LangChain 的 Shell 工具
 from langchain_community.tools import ShellTool
 
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 
 from .tools_registry import BaseToolOutput, regist_tool
 
diff --git a/src/mindpilot/app/tools/tools_registry.py b/src/mindpilot/app/tools/tools_registry.py
index b4ba0fa..d43f97e 100644
--- a/src/mindpilot/app/tools/tools_registry.py
+++ b/src/mindpilot/app/tools/tools_registry.py
@@ -5,7 +5,7 @@ from typing import Any, Callable, Dict, Optional, Tuple, Type, Union
 from langchain.agents import tool
 from langchain_core.tools import BaseTool
 
-from ..pydantic_v1 import BaseModel, Extra
+from src.mindpilot.app.utils.pydantic_v1 import BaseModel, Extra
 
 __all__ = ["regist_tool", "BaseToolOutput"]
 
diff --git a/src/mindpilot/app/tools/weather_check.py b/src/mindpilot/app/tools/weather_check.py
index 1eef750..1ed1dd1 100644
--- a/src/mindpilot/app/tools/weather_check.py
+++ b/src/mindpilot/app/tools/weather_check.py
@@ -3,7 +3,7 @@
 """
 import requests
 
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 
 from .tools_registry import BaseToolOutput, regist_tool
 from ..utils.system_utils import get_tool_config
diff --git a/src/mindpilot/app/tools/wolfram.py b/src/mindpilot/app/tools/wolfram.py
index 8461ae4..7f43dd9 100644
--- a/src/mindpilot/app/tools/wolfram.py
+++ b/src/mindpilot/app/tools/wolfram.py
@@ -1,6 +1,6 @@
 # Langchain 自带的 Wolfram Alpha API 封装
 
-from ..pydantic_v1 import Field
+from src.mindpilot.app.utils.pydantic_v1 import Field
 
 from .tools_registry import BaseToolOutput, regist_tool
 from ..utils.system_utils import get_tool_config
diff --git a/src/mindpilot/app/pydantic_v1.py b/src/mindpilot/app/utils/pydantic_v1.py
similarity index 100%
rename from src/mindpilot/app/pydantic_v1.py
rename to src/mindpilot/app/utils/pydantic_v1.py
diff --git a/src/mindpilot/app/pydantic_v2.py b/src/mindpilot/app/utils/pydantic_v2.py
similarity index 100%
rename from src/mindpilot/app/pydantic_v2.py
rename to src/mindpilot/app/utils/pydantic_v2.py