diff --git a/src/chat/chat_loop/proactive/event_scheduler.py b/src/chat/chat_loop/proactive/event_scheduler.py
index 5e6ca0c51..8c005cb3d 100644
--- a/src/chat/chat_loop/proactive/event_scheduler.py
+++ b/src/chat/chat_loop/proactive/event_scheduler.py
@@ -4,9 +4,8 @@
 """
 
 import asyncio
-import time
 import traceback
-from datetime import datetime, timedelta
+from datetime import datetime
 from typing import Dict, Callable, Any, Optional
 from dataclasses import dataclass
 from src.common.logger import get_logger
diff --git a/src/chat/chat_loop/response_handler.py b/src/chat/chat_loop/response_handler.py
index 889371009..9859c76c3 100644
--- a/src/chat/chat_loop/response_handler.py
+++ b/src/chat/chat_loop/response_handler.py
@@ -1,5 +1,4 @@
 import time
-import orjson
 import random
 from typing import Dict, Any, Tuple
 
diff --git a/src/chat/chat_loop/sleep_manager/notification_sender.py b/src/chat/chat_loop/sleep_manager/notification_sender.py
index 55b32ec85..95ee304e9 100644
--- a/src/chat/chat_loop/sleep_manager/notification_sender.py
+++ b/src/chat/chat_loop/sleep_manager/notification_sender.py
@@ -1,4 +1,3 @@
-import asyncio
 from src.common.logger import get_logger
 from ..hfc_context import HfcContext
 
diff --git a/src/chat/chat_loop/sleep_manager/sleep_manager.py b/src/chat/chat_loop/sleep_manager/sleep_manager.py
index 3bf099be7..677555aef 100644
--- a/src/chat/chat_loop/sleep_manager/sleep_manager.py
+++ b/src/chat/chat_loop/sleep_manager/sleep_manager.py
@@ -1,7 +1,7 @@
 import asyncio
 import random
 from datetime import datetime, timedelta, date
-from typing import Optional, TYPE_CHECKING, List, Dict, Any
+from typing import Optional, TYPE_CHECKING
 
 from src.common.logger import get_logger
 from src.config.config import global_config
diff --git a/src/chat/frequency_analyzer/trigger.py b/src/chat/frequency_analyzer/trigger.py
index a6b4d8a3b..d62547306 100644
--- a/src/chat/frequency_analyzer/trigger.py
+++ b/src/chat/frequency_analyzer/trigger.py
@@ -91,7 +91,7 @@ class FrequencyBasedTrigger:
                         # 6. 直接调用 proactive_thinker
                         event = ProactiveTriggerEvent(
                             source="frequency_analyzer",
-                            reason=f"User is in a high-frequency chat period."
+                            reason="User is in a high-frequency chat period."
                         )
                         await sub_heartflow.heart_fc_instance.proactive_thinker.think(event)
                         
diff --git a/src/chat/heart_flow/heartflow_message_processor.py b/src/chat/heart_flow/heartflow_message_processor.py
index 734f6a301..a401e797b 100644
--- a/src/chat/heart_flow/heartflow_message_processor.py
+++ b/src/chat/heart_flow/heartflow_message_processor.py
@@ -17,7 +17,6 @@ from src.chat.utils.chat_message_builder import replace_user_references_sync
 from src.common.logger import get_logger
 from src.person_info.relationship_manager import get_relationship_manager
 from src.mood.mood_manager import mood_manager
-from src.chat.message_receive.chat_stream import get_chat_manager
 
 if TYPE_CHECKING:
     from src.chat.heart_flow.sub_heartflow import SubHeartflow
diff --git a/src/chat/planner_actions/planner.py b/src/chat/planner_actions/planner.py
index 3163697d4..cdab8b3d6 100644
--- a/src/chat/planner_actions/planner.py
+++ b/src/chat/planner_actions/planner.py
@@ -1,10 +1,7 @@
 import orjson
 import time
 import traceback
-import asyncio
-import math
 import random
-import json
 from typing import Dict, Any, Optional, Tuple, List, TYPE_CHECKING
 from rich.traceback import install
 from datetime import datetime
@@ -27,7 +24,6 @@ from src.plugin_system.base.component_types import (
     ActionInfo,
     ChatMode,
     ComponentType,
-    ActionActivationType,
 )
 from src.plugin_system.core.component_registry import component_registry
 from src.schedule.schedule_manager import schedule_manager
diff --git a/src/common/message/api.py b/src/common/message/api.py
index a85677f47..75e5c84e9 100644
--- a/src/common/message/api.py
+++ b/src/common/message/api.py
@@ -1,5 +1,4 @@
 from src.common.server import get_global_server
-import os
 import importlib.metadata
 from maim_message import MessageServer
 from src.common.logger import get_logger
diff --git a/src/plugins/built_in/at_user_plugin/plugin.py b/src/plugins/built_in/at_user_plugin/plugin.py
index 1cac44fcc..bfb923963 100644
--- a/src/plugins/built_in/at_user_plugin/plugin.py
+++ b/src/plugins/built_in/at_user_plugin/plugin.py
@@ -8,7 +8,6 @@ from src.plugin_system import (
     ActionInfo,
     ActionActivationType,
 )
-from src.person_info.person_info import get_person_info_manager
 from src.common.logger import get_logger
 from src.plugin_system.base.component_types import ChatType
 
diff --git a/src/plugins/built_in/napcat_adapter_plugin/event_handlers.py b/src/plugins/built_in/napcat_adapter_plugin/event_handlers.py
index 78d94363e..c4f889712 100644
--- a/src/plugins/built_in/napcat_adapter_plugin/event_handlers.py
+++ b/src/plugins/built_in/napcat_adapter_plugin/event_handlers.py
@@ -1,4 +1,3 @@
-import orjson
 
 from src.plugin_system import BaseEventHandler
 from src.plugin_system.base.base_event import HandlerResult