diff --git a/astrbot/core/astr_agent_tool_exec.py b/astrbot/core/astr_agent_tool_exec.py
index 2a58597ca..4ed600bed 100644
--- a/astrbot/core/astr_agent_tool_exec.py
+++ b/astrbot/core/astr_agent_tool_exec.py
@@ -17,13 +17,6 @@ from astrbot.core.agent.run_context import ContextWrapper
 from astrbot.core.agent.tool import FunctionTool, ToolSet
 from astrbot.core.agent.tool_executor import BaseFunctionToolExecutor
 from astrbot.core.astr_agent_context import AstrAgentContext
-
-from astrbot.core.tools.prompts import (
-    BACKGROUND_TASK_RESULT_WOKE_SYSTEM_PROMPT,
-    BACKGROUND_TASK_WOKE_USER_PROMPT,
-    CONVERSATION_HISTORY_INJECT_PREFIX,
-)
-from astrbot.core.tools.send_message import SEND_MESSAGE_TO_USER_TOOL
 from astrbot.core.cron.events import CronMessageEvent
 from astrbot.core.message.components import Image
 from astrbot.core.message.message_event_result import (
@@ -34,6 +27,12 @@ from astrbot.core.message.message_event_result import (
 from astrbot.core.platform.message_session import MessageSession
 from astrbot.core.provider.entites import ProviderRequest
 from astrbot.core.provider.register import llm_tools
+from astrbot.core.tools.prompts import (
+    BACKGROUND_TASK_RESULT_WOKE_SYSTEM_PROMPT,
+    BACKGROUND_TASK_WOKE_USER_PROMPT,
+    CONVERSATION_HISTORY_INJECT_PREFIX,
+)
+from astrbot.core.tools.send_message import SEND_MESSAGE_TO_USER_TOOL
 from astrbot.core.utils.astrbot_path import get_astrbot_temp_path
 from astrbot.core.utils.history_saver import persist_agent_history
 from astrbot.core.utils.image_ref_utils import is_supported_image_ref
diff --git a/astrbot/core/astr_main_agent.py b/astrbot/core/astr_main_agent.py
index f4e1dce8f..a65e6109f 100644
--- a/astrbot/core/astr_main_agent.py
+++ b/astrbot/core/astr_main_agent.py
@@ -18,6 +18,18 @@ from astrbot.core.astr_agent_context import AgentContextWrapper, AstrAgentContex
 from astrbot.core.astr_agent_hooks import MAIN_AGENT_HOOKS
 from astrbot.core.astr_agent_run_util import AgentRunner
 from astrbot.core.astr_agent_tool_exec import FunctionToolExecutor
+from astrbot.core.conversation_mgr import Conversation
+from astrbot.core.message.components import File, Image, Reply
+from astrbot.core.persona_error_reply import (
+    extract_persona_custom_error_message_from_persona,
+    set_persona_custom_error_message_on_event,
+)
+from astrbot.core.platform.astr_message_event import AstrMessageEvent
+from astrbot.core.provider import Provider
+from astrbot.core.provider.entities import ProviderRequest
+from astrbot.core.skills.skill_manager import SkillManager, build_skills_prompt
+from astrbot.core.star.context import Context
+from astrbot.core.star.star_handler import star_map
 from astrbot.core.tool_provider import ToolProvider, ToolProviderContext
 from astrbot.core.tools.kb_query import (
     KNOWLEDGE_BASE_QUERY_TOOL,
@@ -36,18 +48,6 @@ from astrbot.core.tools.prompts import (
     WEBCHAT_TITLE_GENERATOR_USER_PROMPT,
 )
 from astrbot.core.tools.send_message import SEND_MESSAGE_TO_USER_TOOL
-from astrbot.core.conversation_mgr import Conversation
-from astrbot.core.message.components import File, Image, Reply
-from astrbot.core.persona_error_reply import (
-    extract_persona_custom_error_message_from_persona,
-    set_persona_custom_error_message_on_event,
-)
-from astrbot.core.platform.astr_message_event import AstrMessageEvent
-from astrbot.core.provider import Provider
-from astrbot.core.provider.entities import ProviderRequest
-from astrbot.core.skills.skill_manager import SkillManager, build_skills_prompt
-from astrbot.core.star.context import Context
-from astrbot.core.star.star_handler import star_map
 from astrbot.core.utils.file_extract import extract_file_moonshotai
 from astrbot.core.utils.llm_metadata import LLM_METADATAS
 from astrbot.core.utils.quoted_message.settings import (
diff --git a/astrbot/core/computer/computer_tool_provider.py b/astrbot/core/computer/computer_tool_provider.py
index dedb3c019..36ced506f 100644
--- a/astrbot/core/computer/computer_tool_provider.py
+++ b/astrbot/core/computer/computer_tool_provider.py
@@ -13,7 +13,6 @@ does not require changes here.
 from __future__ import annotations
 
 import platform
-from functools import cache
 from typing import TYPE_CHECKING
 
 from astrbot.api import logger
diff --git a/tests/test_booter_decoupling.py b/tests/test_booter_decoupling.py
index 1b106be35..5b19c32ab 100644
--- a/tests/test_booter_decoupling.py
+++ b/tests/test_booter_decoupling.py
@@ -231,7 +231,9 @@ class TestApplySandboxToolsRefactored:
     def test_neo_tools_registered_via_provider(self):
         """get_tools() returns full neo tool set (18 tools) for sandbox/neo config."""
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")
@@ -250,7 +252,9 @@ class TestApplySandboxToolsRefactored:
     def test_neo_prompt_injected_via_provider(self):
         """get_system_prompt_addon() includes sandbox hint and neo-specific fragments."""
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")
@@ -269,7 +273,9 @@ class TestApplySandboxToolsRefactored:
     def test_shipyard_no_neo_prompt_via_provider(self):
         """Shipyard config: get_tools returns 4 tools, prompt has no neo lifecycle text."""
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")
@@ -305,7 +311,9 @@ class TestApplySandboxToolsRefactored:
         The executor rejects browser calls when the capability is absent.
         """
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")
@@ -329,7 +337,9 @@ class TestApplySandboxToolsRefactored:
     def test_none_runtime_returns_empty(self):
         """runtime='none' must return no tools and no prompt addon."""
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")
@@ -340,7 +350,9 @@ class TestApplySandboxToolsRefactored:
     def test_shipyard_missing_endpoint_returns_empty(self):
         """Shipyard config without endpoint/token must return [] (not crash)."""
         try:
-            from astrbot.core.computer.computer_tool_provider import ComputerToolProvider
+            from astrbot.core.computer.computer_tool_provider import (
+                ComputerToolProvider,
+            )
             from astrbot.core.tool_provider import ToolProviderContext
         except ImportError:
             pytest.skip("circular import")