diff --git a/src/api/message_router.py b/src/api/message_router.py
index f7a57bed7..5e707cc95 100644
--- a/src/api/message_router.py
+++ b/src/api/message_router.py
@@ -3,7 +3,6 @@ from typing import Literal
 
 from fastapi import APIRouter, Depends, HTTPException, Query
 
-from src.chat.message_receive.chat_stream import get_chat_manager
 from src.common.logger import get_logger
 from src.common.security import get_api_key
 from src.config.config import global_config
@@ -123,6 +122,7 @@ async def get_message_stats_by_chat(
             return stats
 
         # 获取聊天管理器以查询会话信息
+        from src.chat.message_receive.chat_stream import get_chat_manager
         chat_manager = get_chat_manager()
         formatted_stats = {}
         # 遍历统计结果进行格式化
diff --git a/src/chat/message_receive/chat_stream.py b/src/chat/message_receive/chat_stream.py
index 82f0ac659..e9b2e833a 100644
--- a/src/chat/message_receive/chat_stream.py
+++ b/src/chat/message_receive/chat_stream.py
@@ -8,10 +8,7 @@ from sqlalchemy.dialects.sqlite import insert as sqlite_insert
 
 from src.common.data_models.database_data_model import DatabaseGroupInfo,DatabaseUserInfo
 from src.common.data_models.database_data_model import DatabaseMessages
-from src.common.data_models.message_manager_data_model import StreamContext
-from src.plugin_system.base.component_types import ChatMode, ChatType
 from src.common.database.api.crud import CRUDBase
-from src.common.database.api.specialized import get_or_create_chat_stream
 from src.common.database.compatibility import get_db_session
 from src.common.database.core.models import ChatStreams  # 新增导入
 from src.common.logger import get_logger
@@ -43,6 +40,8 @@ class ChatStream:
         self.sleep_pressure = data.get("sleep_pressure", 0.0) if data else 0.0
         self.saved = False
 
+        from src.common.data_models.message_manager_data_model import StreamContext
+        from src.plugin_system.base.component_types import ChatMode, ChatType
         self.context: StreamContext = StreamContext(
             stream_id=stream_id,
             chat_type=ChatType.GROUP if group_info else ChatType.PRIVATE,
@@ -407,6 +406,7 @@ class ChatManager:
                     stream.group_info = group_info
             else:
                 current_time = time.time()
+                from src.common.database.api.specialized import get_or_create_chat_stream
                 model_instance, _ = await get_or_create_chat_stream(
                     stream_id=stream_id,
                     platform=platform,
diff --git a/src/chat/message_receive/message_handler.py b/src/chat/message_receive/message_handler.py
index 3b922660b..6434bd1d1 100644
--- a/src/chat/message_receive/message_handler.py
+++ b/src/chat/message_receive/message_handler.py
@@ -38,7 +38,6 @@ from typing import TYPE_CHECKING, Any
 from mofox_bus import MessageEnvelope, MessageRuntime
 
 from src.chat.message_manager import message_manager
-from src.chat.message_receive.chat_stream import get_chat_manager
 from src.chat.message_receive.storage import MessageStorage
 from src.chat.utils.prompt import global_prompt_manager
 from src.chat.utils.utils import is_mentioned_bot_in_message
@@ -261,7 +260,8 @@ class MessageHandler:
 
             # 获取或创建聊天流
             platform = message_info.get("platform", "unknown")
-            
+
+            from src.chat.message_receive.chat_stream import get_chat_manager
             chat = await get_chat_manager().get_or_create_stream(
                 platform=platform,
                 user_info=user_info,  # type: ignore
@@ -281,6 +281,7 @@ class MessageHandler:
             message.chat_info.last_active_time = chat.last_active_time
 
             # 注册消息到聊天管理器
+            from src.chat.message_receive.chat_stream import get_chat_manager
             get_chat_manager().register_message(message)
 
             # 检测是否提及机器人
diff --git a/src/chat/message_receive/storage.py b/src/chat/message_receive/storage.py
index 4dee0745d..8e65245c7 100644
--- a/src/chat/message_receive/storage.py
+++ b/src/chat/message_receive/storage.py
@@ -3,7 +3,7 @@ import re
 import time
 import traceback
 from collections import deque
-from typing import Optional
+from typing import Optional, TYPE_CHECKING
 
 import orjson
 from sqlalchemy import desc, select, update
@@ -13,9 +13,11 @@ from src.common.database.core import get_db_session
 from src.common.database.core.models import Images, Messages
 from src.common.logger import get_logger
 
-from .chat_stream import ChatStream
 from .message import MessageSending
 
+if TYPE_CHECKING:
+    from src.chat.message_receive.chat_stream import ChatStream
+    
 logger = get_logger("message_storage")
 
 
@@ -479,7 +481,7 @@ class MessageStorage:
             return []
 
     @staticmethod
-    async def store_message(message: DatabaseMessages | MessageSending, chat_stream: ChatStream, use_batch: bool = True) -> None:
+    async def store_message(message: DatabaseMessages | MessageSending, chat_stream: "ChatStream", use_batch: bool = True) -> None:
         """
         存储消息到数据库
 
diff --git a/src/chat/planner_actions/action_modifier.py b/src/chat/planner_actions/action_modifier.py
index 4cc2992f5..db6c84804 100644
--- a/src/chat/planner_actions/action_modifier.py
+++ b/src/chat/planner_actions/action_modifier.py
@@ -4,7 +4,7 @@ import random
 import time
 from typing import TYPE_CHECKING, Any, cast
 
-from src.chat.message_receive.chat_stream import ChatStream, get_chat_manager
+from src.chat.message_receive.chat_stream import get_chat_manager
 from src.chat.planner_actions.action_manager import ChatterActionManager
 from src.chat.utils.chat_message_builder import build_readable_messages, get_raw_msg_before_timestamp_with_chat
 from src.common.logger import get_logger
@@ -15,6 +15,7 @@ from src.plugin_system.core.global_announcement_manager import global_announceme
 
 if TYPE_CHECKING:
     from src.common.data_models.message_manager_data_model import StreamContext
+    from src.chat.message_receive.chat_stream import ChatStream
 
 logger = get_logger("action_manager")
 
@@ -31,7 +32,7 @@ class ActionModifier:
         """初始化动作处理器"""
         self.chat_id = chat_id
         # chat_stream 和 log_prefix 将在异步方法中初始化
-        self.chat_stream: ChatStream | None = None
+        self.chat_stream: "ChatStream | None" = None
         self.log_prefix = f"[{chat_id}]"
 
         self.action_manager = action_manager
diff --git a/src/chat/replyer/default_generator.py b/src/chat/replyer/default_generator.py
index a3524dc83..baebbcfa5 100644
--- a/src/chat/replyer/default_generator.py
+++ b/src/chat/replyer/default_generator.py
@@ -9,10 +9,9 @@ import re
 import time
 import traceback
 from datetime import datetime, timedelta
-from typing import Any, Literal
+from typing import Any, Literal, TYPE_CHECKING
 
 from src.chat.express.expression_selector import expression_selector
-from src.chat.message_receive.chat_stream import ChatStream
 from src.chat.message_receive.message import MessageSending, Seg, UserInfo
 from src.chat.message_receive.uni_message_sender import HeartFCSender
 from src.chat.utils.chat_message_builder import (
@@ -38,6 +37,9 @@ from src.plugin_system.apis import llm_api
 from src.plugin_system.apis.permission_api import permission_api
 from src.plugin_system.base.component_types import ActionInfo, EventType
 
+if TYPE_CHECKING:
+    from src.chat.message_receive.chat_stream import ChatStream
+
 logger = get_logger("replyer")
 
 # 用于存储后台任务的集合，防止被垃圾回收
@@ -236,7 +238,7 @@ If you need to use the search tool, please directly call the function "lpmm_sear
 class DefaultReplyer:
     def __init__(
         self,
-        chat_stream: ChatStream,
+        chat_stream: "ChatStream",
         request_type: str = "replyer",
     ):
         self.express_model = LLMRequest(model_set=model_config.model_task_config.replyer, request_type=request_type)
diff --git a/src/chat/replyer/replyer_manager.py b/src/chat/replyer/replyer_manager.py
index 4f3f4f428..bc908d728 100644
--- a/src/chat/replyer/replyer_manager.py
+++ b/src/chat/replyer/replyer_manager.py
@@ -1,7 +1,11 @@
-from src.chat.message_receive.chat_stream import ChatStream, get_chat_manager
+from src.chat.message_receive.chat_stream import get_chat_manager
 from src.chat.replyer.default_generator import DefaultReplyer
 from src.common.logger import get_logger
 
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from src.chat.message_receive.chat_stream import ChatStream
 logger = get_logger("ReplyerManager")
 
 
@@ -11,7 +15,7 @@ class ReplyerManager:
 
     async def get_replyer(
         self,
-        chat_stream: ChatStream | None = None,
+        chat_stream: "ChatStream | None" = None,
         chat_id: str | None = None,
         request_type: str = "replyer",
     ) -> DefaultReplyer | None:
diff --git a/src/chat/utils/utils.py b/src/chat/utils/utils.py
index 2c2713cda..30217d79b 100644
--- a/src/chat/utils/utils.py
+++ b/src/chat/utils/utils.py
@@ -10,8 +10,6 @@ import numpy as np
 import rjieba
 from mofox_bus import UserInfo
 
-from src.chat.message_receive.chat_stream import get_chat_manager
-
 # MessageRecv 已被移除，现在使用 DatabaseMessages
 from src.common.logger import get_logger
 from src.common.message_repository import count_messages, find_messages
@@ -780,6 +778,7 @@ async def get_chat_type_and_target_info(chat_id: str) -> tuple[bool, dict | None
     chat_target_info = None
 
     try:
+        from src.chat.message_receive.chat_stream import get_chat_manager
         if chat_stream := await get_chat_manager().get_stream(chat_id):
             if chat_stream.group_info:
                 is_group_chat = True
diff --git a/src/main.py b/src/main.py
index ae62b18a5..7721e9c44 100644
--- a/src/main.py
+++ b/src/main.py
@@ -13,7 +13,6 @@ from rich.traceback import install
 
 from src.chat.emoji_system.emoji_manager import get_emoji_manager
 from chat.message_receive.message_handler import get_message_handler, shutdown_message_handler
-from src.chat.message_receive.chat_stream import get_chat_manager
 from src.chat.utils.statistic import OnlineTimeRecordTask, StatisticOutputTask
 from src.common.core_sink_manager import (
     CoreSinkManager,
@@ -469,6 +468,7 @@ MoFox_Bot(第三方修改版)
         logger.info("情绪管理器初始化成功")
 
         # 启动聊天管理器的自动保存任务
+        from src.chat.message_receive.chat_stream import get_chat_manager
         task = asyncio.create_task(get_chat_manager()._auto_save_task())
         _background_tasks.add(task)
         task.add_done_callback(_background_tasks.discard)
diff --git a/src/plugin_system/apis/chat_api.py b/src/plugin_system/apis/chat_api.py
index 2f2d5d1df..71926384f 100644
--- a/src/plugin_system/apis/chat_api.py
+++ b/src/plugin_system/apis/chat_api.py
@@ -13,11 +13,13 @@
 """
 
 from enum import Enum
-from typing import Any
+from typing import Any, TYPE_CHECKING
 
-from src.chat.message_receive.chat_stream import ChatStream, get_chat_manager
 from src.common.logger import get_logger
 
+if TYPE_CHECKING:
+    from src.chat.message_receive.chat_stream import ChatStream
+
 logger = get_logger("chat_api")
 
 
@@ -31,7 +33,7 @@ class ChatManager:
     """聊天管理器 - 专门负责聊天信息的查询和管理"""
 
     @staticmethod
-    def get_all_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+    def get_all_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
         # sourcery skip: for-append-to-extend
         """获取所有聊天流
 
@@ -48,6 +50,7 @@ class ChatManager:
             raise TypeError("platform 必须是字符串或是 SpecialTypes 枚举")
         streams = []
         try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
             streams.extend(
                 stream for stream in get_chat_manager().streams.values()
                 if platform == SpecialTypes.ALL_PLATFORMS or stream.platform == platform
@@ -58,7 +61,7 @@ class ChatManager:
         return streams
 
     @staticmethod
-    def get_group_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+    def get_group_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
         # sourcery skip: for-append-to-extend
         """获取所有群聊聊天流
 
@@ -72,6 +75,7 @@ class ChatManager:
             raise TypeError("platform 必须是字符串或是 SpecialTypes 枚举")
         streams = []
         try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
             streams.extend(
                 stream for stream in get_chat_manager().streams.values()
                 if (platform == SpecialTypes.ALL_PLATFORMS or stream.platform == platform) and stream.group_info
@@ -82,7 +86,7 @@ class ChatManager:
         return streams
 
     @staticmethod
-    def get_private_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+    def get_private_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
         # sourcery skip: for-append-to-extend
         """获取所有私聊聊天流
 
@@ -99,6 +103,7 @@ class ChatManager:
             raise TypeError("platform 必须是字符串或是 SpecialTypes 枚举")
         streams = []
         try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
             streams.extend(
                 stream for stream in get_chat_manager().streams.values()
                 if (platform == SpecialTypes.ALL_PLATFORMS or stream.platform == platform) and not stream.group_info
@@ -111,7 +116,7 @@ class ChatManager:
     @staticmethod
     def get_group_stream_by_group_id(
         group_id: str, platform: str | None | SpecialTypes = "qq"
-    ) -> ChatStream | None:  # sourcery skip: remove-unnecessary-cast
+    ) -> "ChatStream | None":  # sourcery skip: remove-unnecessary-cast
         """根据群ID获取聊天流
 
         Args:
@@ -132,6 +137,7 @@ class ChatManager:
         if not group_id:
             raise ValueError("group_id 不能为空")
         try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
             for stream in get_chat_manager().streams.values():
                 if (
                     stream.group_info
@@ -148,7 +154,7 @@ class ChatManager:
     @staticmethod
     def get_private_stream_by_user_id(
         user_id: str, platform: str | None | SpecialTypes = "qq"
-    ) -> ChatStream | None:  # sourcery skip: remove-unnecessary-cast
+    ) -> "ChatStream | None":  # sourcery skip: remove-unnecessary-cast
         """根据用户ID获取私聊流
 
         Args:
@@ -169,6 +175,7 @@ class ChatManager:
         if not user_id:
             raise ValueError("user_id 不能为空")
         try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
             for stream in get_chat_manager().streams.values():
                 if (
                     not stream.group_info
@@ -184,7 +191,7 @@ class ChatManager:
         return None
 
     @staticmethod
-    def get_stream_type(chat_stream: ChatStream) -> str:
+    def get_stream_type(chat_stream: "ChatStream") -> str:
         """获取聊天流类型
 
         Args:
@@ -197,6 +204,7 @@ class ChatManager:
             TypeError: 如果 chat_stream 不是 ChatStream 类型
             ValueError: 如果 chat_stream 为空
         """
+        from src.chat.message_receive.chat_stream import ChatStream
         if not isinstance(chat_stream, ChatStream):
             raise TypeError("chat_stream 必须是 ChatStream 类型")
         if not chat_stream:
@@ -207,7 +215,7 @@ class ChatManager:
         return "unknown"
 
     @staticmethod
-    def get_stream_info(chat_stream: ChatStream) -> dict[str, Any]:
+    def get_stream_info(chat_stream: "ChatStream") -> dict[str, Any]:
         """获取聊天流详细信息
 
         Args:
@@ -220,6 +228,7 @@ class ChatManager:
             TypeError: 如果 chat_stream 不是 ChatStream 类型
             ValueError: 如果 chat_stream 为空
         """
+        from src.chat.message_receive.chat_stream import ChatStream
         if not chat_stream:
             raise ValueError("chat_stream 不能为 None")
         if not isinstance(chat_stream, ChatStream):
@@ -289,37 +298,37 @@ class ChatManager:
 # =============================================================================
 
 
-def get_all_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+def get_all_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
     """获取所有聊天流的便捷函数"""
     return ChatManager.get_all_streams(platform)
 
 
-def get_group_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+def get_group_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
     """获取群聊聊天流的便捷函数"""
     return ChatManager.get_group_streams(platform)
 
 
-def get_private_streams(platform: str | None | SpecialTypes = "qq") -> list[ChatStream]:
+def get_private_streams(platform: str | None | SpecialTypes = "qq") -> list["ChatStream"]:
     """获取私聊聊天流的便捷函数"""
     return ChatManager.get_private_streams(platform)
 
 
-def get_stream_by_group_id(group_id: str, platform: str | None | SpecialTypes = "qq") -> ChatStream | None:
+def get_stream_by_group_id(group_id: str, platform: str | None | SpecialTypes = "qq") -> "ChatStream | None":
     """根据群ID获取聊天流的便捷函数"""
     return ChatManager.get_group_stream_by_group_id(group_id, platform)
 
 
-def get_stream_by_user_id(user_id: str, platform: str | None | SpecialTypes = "qq") -> ChatStream | None:
+def get_stream_by_user_id(user_id: str, platform: str | None | SpecialTypes = "qq") -> "ChatStream | None":
     """根据用户ID获取私聊流的便捷函数"""
     return ChatManager.get_private_stream_by_user_id(user_id, platform)
 
 
-def get_stream_type(chat_stream: ChatStream) -> str:
+def get_stream_type(chat_stream: "ChatStream") -> str:
     """获取聊天流类型的便捷函数"""
     return ChatManager.get_stream_type(chat_stream)
 
 
-def get_stream_info(chat_stream: ChatStream) -> dict[str, Any]:
+def get_stream_info(chat_stream: "ChatStream") -> dict[str, Any]:
     """获取聊天流信息的便捷函数"""
     return ChatManager.get_stream_info(chat_stream)
 
diff --git a/src/plugin_system/apis/cross_context_api.py b/src/plugin_system/apis/cross_context_api.py
index d97dcde19..b11a4e7d0 100644
--- a/src/plugin_system/apis/cross_context_api.py
+++ b/src/plugin_system/apis/cross_context_api.py
@@ -3,9 +3,9 @@
 """
 
 import time
-from typing import Any
+from typing import Any, TYPE_CHECKING
 
-from src.chat.message_receive.chat_stream import ChatStream, get_chat_manager
+from src.chat.message_receive.chat_stream import get_chat_manager
 from src.chat.utils.chat_message_builder import (
     build_readable_messages_with_id,
     get_raw_msg_before_timestamp_with_chat,
@@ -15,6 +15,9 @@ from src.common.message_repository import get_user_messages_from_streams
 from src.config.config import global_config
 from src.config.official_configs import ContextGroup
 
+if TYPE_CHECKING:
+    from src.chat.message_receive.chat_stream import ChatStream
+
 logger = get_logger("cross_context_api")
 
 
@@ -51,7 +54,7 @@ async def get_context_group(chat_id: str) -> ContextGroup | None:
     return None
 
 
-async def build_cross_context_normal(chat_stream: ChatStream, context_group: ContextGroup) -> str:
+async def build_cross_context_normal(chat_stream: "ChatStream", context_group: ContextGroup) -> str:
     """
     构建跨群聊/私聊上下文 (Normal模式)。
 
@@ -124,7 +127,7 @@ async def build_cross_context_normal(chat_stream: ChatStream, context_group: Con
 
 
 async def build_cross_context_s4u(
-    chat_stream: ChatStream,
+    chat_stream: "ChatStream",
     target_user_info: dict[str, Any] | None,
 ) -> str:
     """
diff --git a/src/plugin_system/apis/generator_api.py b/src/plugin_system/apis/generator_api.py
index 9c6fb0840..8f6185972 100644
--- a/src/plugin_system/apis/generator_api.py
+++ b/src/plugin_system/apis/generator_api.py
@@ -13,7 +13,6 @@ from typing import TYPE_CHECKING, Any
 
 from rich.traceback import install
 
-from src.chat.message_receive.chat_stream import ChatStream
 from src.chat.utils.utils import process_llm_response
 from src.common.data_models.database_data_model import DatabaseMessages
 from src.common.logger import get_logger
@@ -21,6 +20,7 @@ from src.plugin_system.base.component_types import ActionInfo
 
 if TYPE_CHECKING:
     from chat.replyer.default_generator import DefaultReplyer
+    from src.chat.message_receive.chat_stream import ChatStream
 
 install(extra_lines=3)
 
@@ -34,7 +34,7 @@ logger = get_logger("generator_api")
 
 
 async def get_replyer(
-    chat_stream: ChatStream | None = None,
+    chat_stream: "ChatStream | None" = None,
     chat_id: str | None = None,
     request_type: str = "replyer",
 ) -> "DefaultReplyer | None":
@@ -78,7 +78,7 @@ async def get_replyer(
 
 
 async def generate_reply(
-    chat_stream: ChatStream | None = None,
+    chat_stream: "ChatStream | None" = None,
     chat_id: str | None = None,
     action_data: dict[str, Any] | None = None,
     reply_to: str = "",
@@ -189,7 +189,7 @@ async def generate_reply(
 
 
 async def rewrite_reply(
-    chat_stream: ChatStream | None = None,
+    chat_stream: "ChatStream | None" = None,
     reply_data: dict[str, Any] | None = None,
     chat_id: str | None = None,
     enable_splitter: bool = True,
@@ -287,7 +287,7 @@ def process_human_text(content: str, enable_splitter: bool, enable_chinese_typo:
 
 
 async def generate_response_custom(
-    chat_stream: ChatStream | None = None,
+    chat_stream: "ChatStream | None" = None,
     chat_id: str | None = None,
     request_type: str = "generator_api",
     prompt: str = "",