diff --git a/src/chat/message_receive/storage.py b/src/chat/message_receive/storage.py
index 0fcfce989..20032eb03 100644
--- a/src/chat/message_receive/storage.py
+++ b/src/chat/message_receive/storage.py
@@ -99,37 +99,55 @@ class MessageStorageBatcher:
         success_count = 0
         
         try:
-            # 准备所有消息对象
-            messages_objects = []
+            # 🔧 优化：准备字典数据而不是ORM对象，使用批量INSERT
+            messages_dicts = []
             
             for msg_data in messages_to_store:
                 try:
-                    message_obj = await self._prepare_message_object(
+                    message_dict = await self._prepare_message_dict(
                         msg_data['message'], 
                         msg_data['chat_stream']
                     )
-                    if message_obj:
-                        messages_objects.append(message_obj)
+                    if message_dict:
+                        messages_dicts.append(message_dict)
                 except Exception as e:
-                    logger.error(f"准备消息对象失败: {e}")
+                    logger.error(f"准备消息数据失败: {e}")
                     continue
             
-            # 批量写入数据库
-            if messages_objects:
+            # 批量写入数据库 - 使用高效的批量INSERT
+            if messages_dicts:
+                from sqlalchemy import insert
                 async with get_db_session() as session:
-                    session.add_all(messages_objects)
+                    stmt = insert(Messages).values(messages_dicts)
+                    await session.execute(stmt)
                     await session.commit()
-                    success_count = len(messages_objects)
+                    success_count = len(messages_dicts)
             
             elapsed = time.time() - start_time
             logger.info(
                 f"批量存储了 {success_count}/{len(messages_to_store)} 条消息 "
-                f"(耗时: {elapsed:.3f}秒)"
+                f"(耗时: {elapsed:.3f}秒, 平均 {elapsed/max(success_count,1)*1000:.2f}ms/条)"
             )
 
         except Exception as e:
             logger.error(f"批量存储消息失败: {e}", exc_info=True)
 
+    async def _prepare_message_dict(self, message, chat_stream):
+        """准备消息字典数据（用于批量INSERT）
+        
+        这个方法准备字典而不是ORM对象，性能更高
+        """
+        message_obj = await self._prepare_message_object(message, chat_stream)
+        if message_obj is None:
+            return None
+        
+        # 将ORM对象转换为字典（只包含列字段）
+        message_dict = {}
+        for column in Messages.__table__.columns:
+            message_dict[column.name] = getattr(message_obj, column.name)
+        
+        return message_dict
+
     async def _prepare_message_object(self, message, chat_stream):
         """准备消息对象（从原 store_message 逻辑提取）"""
         try:
@@ -161,6 +179,12 @@ class MessageStorageBatcher:
                 is_picid = message.is_picid or False
                 is_notify = message.is_notify or False
                 is_command = message.is_command or False
+                is_public_notice = message.is_public_notice or False
+                notice_type = message.notice_type
+                actions = message.actions
+                should_reply = message.should_reply
+                should_act = message.should_act
+                additional_config = message.additional_config
                 key_words = ""
                 key_words_lite = ""
                 memorized_times = 0
@@ -208,6 +232,12 @@ class MessageStorageBatcher:
                     is_picid = False
                     is_notify = False
                     is_command = False
+                    is_public_notice = False
+                    notice_type = None
+                    actions = None
+                    should_reply = None
+                    should_act = None
+                    additional_config = None
                     key_words = ""
                     key_words_lite = ""
                 else:
@@ -221,6 +251,12 @@ class MessageStorageBatcher:
                     is_picid = message.is_picid
                     is_notify = message.is_notify
                     is_command = message.is_command
+                    is_public_notice = getattr(message, 'is_public_notice', False)
+                    notice_type = getattr(message, 'notice_type', None)
+                    actions = getattr(message, 'actions', None)
+                    should_reply = getattr(message, 'should_reply', None)
+                    should_act = getattr(message, 'should_act', None)
+                    additional_config = getattr(message, 'additional_config', None)
                     key_words = MessageStorage._serialize_keywords(message.key_words)
                     key_words_lite = MessageStorage._serialize_keywords(message.key_words_lite)
 
@@ -282,10 +318,16 @@ class MessageStorageBatcher:
                 interest_value=interest_value,
                 priority_mode=priority_mode,
                 priority_info=priority_info_json,
+                additional_config=additional_config,
                 is_emoji=is_emoji,
                 is_picid=is_picid,
                 is_notify=is_notify,
                 is_command=is_command,
+                is_public_notice=is_public_notice,
+                notice_type=notice_type,
+                actions=actions,
+                should_reply=should_reply,
+                should_act=should_act,
                 key_words=key_words,
                 key_words_lite=key_words_lite,
             )
diff --git a/src/common/database/api/crud.py b/src/common/database/api/crud.py
index a82b2a3a5..8a9a75de6 100644
--- a/src/common/database/api/crud.py
+++ b/src/common/database/api/crud.py
@@ -266,7 +266,14 @@ class CRUDBase:
                 await session.refresh(instance)
                 # 注意：commit在get_db_session的context manager退出时自动执行
                 # 但为了明确性，这里不需要显式commit
-                return instance
+        
+        # 注意：create不清除缓存，因为：
+        # 1. 新记录不会影响已有的单条查询缓存（get/get_by）
+        # 2. get_multi的缓存会自然过期（TTL机制）
+        # 3. 清除所有缓存代价太大，影响性能
+        # 如果需要强一致性，应该在查询时设置use_cache=False
+        
+        return instance
 
     async def update(
         self,
@@ -459,8 +466,15 @@ class CRUDBase:
 
             for instance in instances:
                 await session.refresh(instance)
-
-            return instances
+        
+        # 批量创建的缓存策略：
+        # bulk_create通常用于批量导入场景，此时清除缓存是合理的
+        # 因为可能创建大量记录，缓存的列表查询会明显过期
+        cache = await get_cache()
+        await cache.clear()
+        logger.info(f"批量创建{len(instances)}条{self.model_name}记录后已清除缓存")
+        
+        return instances
 
     async def bulk_update(
         self,
diff --git a/src/common/database/optimization/batch_scheduler.py b/src/common/database/optimization/batch_scheduler.py
index e5d6bd23a..7498a7b16 100644
--- a/src/common/database/optimization/batch_scheduler.py
+++ b/src/common/database/optimization/batch_scheduler.py
@@ -393,8 +393,10 @@ class AdaptiveBatchScheduler:
     ) -> None:
         """批量执行更新操作"""
         async with get_db_session() as session:
-            for op in operations:
-                try:
+            results = []
+            try:
+                # 🔧 修复：收集所有操作后一次性commit，而不是循环中多次commit
+                for op in operations:
                     # 构建更新语句
                     stmt = update(op.model_class)
                     for key, value in op.conditions.items():
@@ -404,23 +406,29 @@ class AdaptiveBatchScheduler:
                     if op.data:
                         stmt = stmt.values(**op.data)
                     
-                    # 执行更新
+                    # 执行更新（但不commit）
                     result = await session.execute(stmt)
-                    await session.commit()
-                    
-                    # 设置结果
+                    results.append((op, result.rowcount))
+                
+                # 所有操作成功后，一次性commit
+                await session.commit()
+                
+                # 设置所有操作的结果
+                for op, rowcount in results:
                     if op.future and not op.future.done():
-                        op.future.set_result(result.rowcount)
+                        op.future.set_result(rowcount)
                     
                     if op.callback:
                         try:
-                            op.callback(result.rowcount)
+                            op.callback(rowcount)
                         except Exception as e:
                             logger.warning(f"回调执行失败: {e}")
                 
-                except Exception as e:
-                    logger.error(f"更新失败: {e}", exc_info=True)
-                    await session.rollback()
+            except Exception as e:
+                logger.error(f"批量更新失败: {e}", exc_info=True)
+                await session.rollback()
+                # 所有操作都失败
+                for op in operations:
                     if op.future and not op.future.done():
                         op.future.set_exception(e)
 
@@ -430,31 +438,39 @@ class AdaptiveBatchScheduler:
     ) -> None:
         """批量执行删除操作"""
         async with get_db_session() as session:
-            for op in operations:
-                try:
+            results = []
+            try:
+                # 🔧 修复：收集所有操作后一次性commit，而不是循环中多次commit
+                for op in operations:
                     # 构建删除语句
                     stmt = delete(op.model_class)
                     for key, value in op.conditions.items():
                         attr = getattr(op.model_class, key)
                         stmt = stmt.where(attr == value)
                     
-                    # 执行删除
+                    # 执行删除（但不commit）
                     result = await session.execute(stmt)
-                    await session.commit()
-                    
-                    # 设置结果
+                    results.append((op, result.rowcount))
+                
+                # 所有操作成功后，一次性commit
+                await session.commit()
+                
+                # 设置所有操作的结果
+                for op, rowcount in results:
                     if op.future and not op.future.done():
-                        op.future.set_result(result.rowcount)
+                        op.future.set_result(rowcount)
                     
                     if op.callback:
                         try:
-                            op.callback(result.rowcount)
+                            op.callback(rowcount)
                         except Exception as e:
                             logger.warning(f"回调执行失败: {e}")
                 
-                except Exception as e:
-                    logger.error(f"删除失败: {e}", exc_info=True)
-                    await session.rollback()
+            except Exception as e:
+                logger.error(f"批量删除失败: {e}", exc_info=True)
+                await session.rollback()
+                # 所有操作都失败
+                for op in operations:
                     if op.future and not op.future.done():
                         op.future.set_exception(e)
 
diff --git a/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_event.py b/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_event.py
index 8bab3c40e..e3243b45e 100644
--- a/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_event.py
+++ b/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_event.py
@@ -59,6 +59,20 @@ class ProactiveThinkingReplyHandler(BaseEventHandler):
                 logger.debug("[主动思考事件] reply_reset_enabled 为 False，跳过重置")
                 return HandlerResult(success=True, continue_process=True, message=None)
 
+            # 检查白名单/黑名单（获取 stream_config 进行验证）
+            try:
+                from src.chat.message_receive.chat_stream import get_chat_manager
+                chat_manager = get_chat_manager()
+                chat_stream = await chat_manager.get_stream(stream_id)
+                
+                if chat_stream:
+                    stream_config = chat_stream.get_raw_id()
+                    if not proactive_thinking_scheduler._check_whitelist_blacklist(stream_config):
+                        logger.debug(f"[主动思考事件] 聊天流 {stream_id} ({stream_config}) 不在白名单中，跳过重置")
+                        return HandlerResult(success=True, continue_process=True, message=None)
+            except Exception as e:
+                logger.warning(f"[主动思考事件] 白名单检查时出错: {e}")
+
             # 检查是否被暂停
             was_paused = await proactive_thinking_scheduler.is_paused(stream_id)
             logger.debug(f"[主动思考事件] 聊天流 {stream_id} 暂停状态: {was_paused}")
diff --git a/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_executor.py b/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_executor.py
index 8e1bd98b5..7c3f11bb6 100644
--- a/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_executor.py
+++ b/src/plugins/built_in/affinity_flow_chatter/proactive_thinking_executor.py
@@ -541,10 +541,32 @@ async def execute_proactive_thinking(stream_id: str):
 
     try:
         # 0. 前置检查
+        # 0.1 检查白名单/黑名单
+        # 从 stream_id 获取 stream_config 字符串进行验证
+        try:
+            from src.chat.message_receive.chat_stream import get_chat_manager
+            chat_manager = get_chat_manager()
+            chat_stream = await chat_manager.get_stream(stream_id)
+            
+            if chat_stream:
+                # 使用 ChatStream 的 get_raw_id() 方法获取配置字符串
+                stream_config = chat_stream.get_raw_id()
+                
+                # 执行白名单/黑名单检查
+                if not proactive_thinking_scheduler._check_whitelist_blacklist(stream_config):
+                    logger.debug(f"聊天流 {stream_id} ({stream_config}) 未通过白名单/黑名单检查，跳过主动思考")
+                    return
+            else:
+                logger.warning(f"无法获取聊天流 {stream_id} 的信息，跳过白名单检查")
+        except Exception as e:
+            logger.warning(f"白名单检查时出错: {e}，继续执行")
+        
+        # 0.2 检查安静时段
         if proactive_thinking_scheduler._is_in_quiet_hours():
             logger.debug("安静时段，跳过")
             return
 
+        # 0.3 检查每日限制
         if not proactive_thinking_scheduler._check_daily_limit(stream_id):
             logger.debug("今日发言达上限")
             return
diff --git a/src/plugins/built_in/napcat_adapter_plugin/plugin.py b/src/plugins/built_in/napcat_adapter_plugin/plugin.py
index fbefb36b3..10e7efe6f 100644
--- a/src/plugins/built_in/napcat_adapter_plugin/plugin.py
+++ b/src/plugins/built_in/napcat_adapter_plugin/plugin.py
@@ -19,11 +19,13 @@ from .src.recv_handler.meta_event_handler import meta_event_handler
 from .src.recv_handler.notice_handler import notice_handler
 from .src.response_pool import check_timeout_response, put_response
 from .src.send_handler import send_handler
+from .src.stream_router import stream_router
 from .src.websocket_manager import websocket_manager
 
 logger = get_logger("napcat_adapter")
 
-message_queue = asyncio.Queue()
+# 旧的全局消息队列已被流路由器替代
+# message_queue = asyncio.Queue()
 
 
 def get_classes_in_module(module):
@@ -64,7 +66,8 @@ async def message_recv(server_connection: Server.ServerConnection):
             # 处理完整消息（可能是重组后的，也可能是原本就完整的）
             post_type = decoded_raw_message.get("post_type")
             if post_type in ["meta_event", "message", "notice"]:
-                await message_queue.put(decoded_raw_message)
+                # 使用流路由器路由消息到对应的聊天流
+                await stream_router.route_message(decoded_raw_message)
             elif post_type is None:
                 await put_response(decoded_raw_message)
 
@@ -76,61 +79,11 @@ async def message_recv(server_connection: Server.ServerConnection):
             logger.debug(f"原始消息: {raw_message[:500]}...")
 
 
-async def message_process():
-    """消息处理主循环"""
-    logger.info("消息处理器已启动")
-    try:
-        while True:
-            try:
-                # 使用超时等待，以便能够响应取消请求
-                message = await asyncio.wait_for(message_queue.get(), timeout=1.0)
-
-                post_type = message.get("post_type")
-                if post_type == "message":
-                    await message_handler.handle_raw_message(message)
-                elif post_type == "meta_event":
-                    await meta_event_handler.handle_meta_event(message)
-                elif post_type == "notice":
-                    await notice_handler.handle_notice(message)
-                else:
-                    logger.warning(f"未知的post_type: {post_type}")
-
-                message_queue.task_done()
-                await asyncio.sleep(0.05)
-
-            except asyncio.TimeoutError:
-                # 超时是正常的，继续循环
-                continue
-            except asyncio.CancelledError:
-                logger.info("消息处理器收到取消信号")
-                break
-            except Exception as e:
-                logger.error(f"处理消息时出错: {e}")
-                # 即使出错也标记任务完成，避免队列阻塞
-                try:
-                    message_queue.task_done()
-                except ValueError:
-                    pass
-                await asyncio.sleep(0.1)
-
-    except asyncio.CancelledError:
-        logger.info("消息处理器已停止")
-        raise
-    except Exception as e:
-        logger.error(f"消息处理器异常: {e}")
-        raise
-    finally:
-        logger.info("消息处理器正在清理...")
-        # 清空剩余的队列项目
-        try:
-            while not message_queue.empty():
-                try:
-                    message_queue.get_nowait()
-                    message_queue.task_done()
-                except asyncio.QueueEmpty:
-                    break
-        except Exception as e:
-            logger.debug(f"清理消息队列时出错: {e}")
+# 旧的单消费者消息处理循环已被流路由器替代
+# 现在每个聊天流都有自己的消费者协程
+# async def message_process():
+#     """消息处理主循环"""
+#     ...
 
 
 async def napcat_server(plugin_config: dict):
@@ -151,6 +104,12 @@ async def graceful_shutdown():
     try:
         logger.info("正在关闭adapter...")
 
+        # 停止流路由器
+        try:
+            await stream_router.stop()
+        except Exception as e:
+            logger.warning(f"停止流路由器时出错: {e}")
+
         # 停止消息重组器的清理任务
         try:
             await reassembler.stop_cleanup_task()
@@ -198,17 +157,6 @@ async def graceful_shutdown():
 
     except Exception as e:
         logger.error(f"Adapter关闭中出现错误: {e}")
-    finally:
-        # 确保消息队列被清空
-        try:
-            while not message_queue.empty():
-                try:
-                    message_queue.get_nowait()
-                    message_queue.task_done()
-                except asyncio.QueueEmpty:
-                    break
-        except Exception:
-            pass
 
 
 class LauchNapcatAdapterHandler(BaseEventHandler):
@@ -225,12 +173,16 @@ class LauchNapcatAdapterHandler(BaseEventHandler):
         logger.info("启动消息重组器...")
         await reassembler.start_cleanup_task()
 
+        # 启动流路由器
+        logger.info("启动流路由器...")
+        await stream_router.start()
+
         logger.info("开始启动Napcat Adapter")
 
         # 创建单独的异步任务，防止阻塞主线程
         asyncio.create_task(self._start_maibot_connection())
         asyncio.create_task(napcat_server(self.plugin_config))
-        asyncio.create_task(message_process())
+        # 不再需要 message_process 任务，由流路由器管理消费者
         asyncio.create_task(check_timeout_response())
 
     async def _start_maibot_connection(self):
@@ -347,6 +299,12 @@ class NapcatAdapterPlugin(BasePlugin):
                 choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"],
             ),
         },
+        "stream_router": {
+            "max_streams": ConfigField(type=int, default=500, description="最大并发流数量"),
+            "stream_timeout": ConfigField(type=int, default=600, description="流不活跃超时时间（秒），超时后自动清理"),
+            "stream_queue_size": ConfigField(type=int, default=100, description="每个流的消息队列大小"),
+            "cleanup_interval": ConfigField(type=int, default=60, description="清理不活跃流的间隔时间（秒）"),
+        },
         "features": {
             # 权限设置
             "group_list_type": ConfigField(
@@ -383,7 +341,6 @@ class NapcatAdapterPlugin(BasePlugin):
             "supported_formats": ConfigField(
                 type=list, default=["mp4", "avi", "mov", "mkv", "flv", "wmv", "webm"], description="支持的视频格式"
             ),
-            # 消息缓冲功能已移除
         },
     }
 
@@ -397,7 +354,8 @@ class NapcatAdapterPlugin(BasePlugin):
         "voice": "发送语音设置",
         "slicing": "WebSocket消息切片设置",
         "debug": "调试设置",
-        "features": "功能设置（权限控制、聊天功能、视频处理、消息缓冲等）",
+        "stream_router": "流路由器设置（按聊天流分配消费者，提升高并发性能）",
+        "features": "功能设置（权限控制、聊天功能、视频处理等）",
     }
 
     def register_events(self):
@@ -444,4 +402,11 @@ class NapcatAdapterPlugin(BasePlugin):
         notice_handler.set_plugin_config(self.config)
         # 设置meta_event_handler的插件配置
         meta_event_handler.set_plugin_config(self.config)
+        
+        # 设置流路由器的配置
+        stream_router.max_streams = config_api.get_plugin_config(self.config, "stream_router.max_streams", 500)
+        stream_router.stream_timeout = config_api.get_plugin_config(self.config, "stream_router.stream_timeout", 600)
+        stream_router.stream_queue_size = config_api.get_plugin_config(self.config, "stream_router.stream_queue_size", 100)
+        stream_router.cleanup_interval = config_api.get_plugin_config(self.config, "stream_router.cleanup_interval", 60)
+        
         # 设置其他handler的插件配置（现在由component_registry在注册时自动设置）
diff --git a/src/plugins/built_in/napcat_adapter_plugin/src/stream_router.py b/src/plugins/built_in/napcat_adapter_plugin/src/stream_router.py
new file mode 100644
index 000000000..f8d9fb49f
--- /dev/null
+++ b/src/plugins/built_in/napcat_adapter_plugin/src/stream_router.py
@@ -0,0 +1,351 @@
+"""
+按聊天流分配消费者的消息路由系统
+
+核心思想：
+- 为每个活跃的聊天流（stream_id）创建独立的消息队列和消费者协程
+- 同一聊天流的消息由同一个 worker 处理，保证顺序性
+- 不同聊天流的消息并发处理，提高吞吐量
+- 动态管理流的生命周期，自动清理不活跃的流
+"""
+
+import asyncio
+import time
+from typing import Dict, Optional
+
+from src.common.logger import get_logger
+
+logger = get_logger("stream_router")
+
+
+class StreamConsumer:
+    """单个聊天流的消息消费者
+    
+    维护独立的消息队列和处理协程
+    """
+    
+    def __init__(self, stream_id: str, queue_maxsize: int = 100):
+        self.stream_id = stream_id
+        self.queue: asyncio.Queue = asyncio.Queue(maxsize=queue_maxsize)
+        self.worker_task: Optional[asyncio.Task] = None
+        self.last_active_time = time.time()
+        self.is_running = False
+        
+        # 性能统计
+        self.stats = {
+            "total_messages": 0,
+            "total_processing_time": 0.0,
+            "queue_overflow_count": 0,
+        }
+    
+    async def start(self) -> None:
+        """启动消费者"""
+        if not self.is_running:
+            self.is_running = True
+            self.worker_task = asyncio.create_task(self._process_loop())
+            logger.debug(f"Stream Consumer 启动: {self.stream_id}")
+    
+    async def stop(self) -> None:
+        """停止消费者"""
+        self.is_running = False
+        if self.worker_task:
+            self.worker_task.cancel()
+            try:
+                await self.worker_task
+            except asyncio.CancelledError:
+                pass
+        logger.debug(f"Stream Consumer 停止: {self.stream_id}")
+    
+    async def enqueue(self, message: dict) -> None:
+        """将消息加入队列"""
+        self.last_active_time = time.time()
+        
+        try:
+            # 使用 put_nowait 避免阻塞路由器
+            self.queue.put_nowait(message)
+        except asyncio.QueueFull:
+            self.stats["queue_overflow_count"] += 1
+            logger.warning(
+                f"Stream {self.stream_id} 队列已满 "
+                f"({self.queue.qsize()}/{self.queue.maxsize})，"
+                f"消息被丢弃！溢出次数: {self.stats['queue_overflow_count']}"
+            )
+            # 可选策略：丢弃最旧的消息
+            # try:
+            #     self.queue.get_nowait()
+            #     self.queue.put_nowait(message)
+            #     logger.debug(f"Stream {self.stream_id} 丢弃最旧消息，添加新消息")
+            # except asyncio.QueueEmpty:
+            #     pass
+    
+    async def _process_loop(self) -> None:
+        """消息处理循环"""
+        # 延迟导入，避免循环依赖
+        from .recv_handler.message_handler import message_handler
+        from .recv_handler.meta_event_handler import meta_event_handler
+        from .recv_handler.notice_handler import notice_handler
+        
+        logger.info(f"Stream {self.stream_id} 处理循环启动")
+        
+        try:
+            while self.is_running:
+                try:
+                    # 等待消息，1秒超时
+                    message = await asyncio.wait_for(
+                        self.queue.get(),
+                        timeout=1.0
+                    )
+                    
+                    start_time = time.time()
+                    
+                    # 处理消息
+                    post_type = message.get("post_type")
+                    if post_type == "message":
+                        await message_handler.handle_raw_message(message)
+                    elif post_type == "meta_event":
+                        await meta_event_handler.handle_meta_event(message)
+                    elif post_type == "notice":
+                        await notice_handler.handle_notice(message)
+                    else:
+                        logger.warning(f"未知的 post_type: {post_type}")
+                    
+                    processing_time = time.time() - start_time
+                    
+                    # 更新统计
+                    self.stats["total_messages"] += 1
+                    self.stats["total_processing_time"] += processing_time
+                    self.last_active_time = time.time()
+                    self.queue.task_done()
+                    
+                    # 性能监控（每100条消息输出一次）
+                    if self.stats["total_messages"] % 100 == 0:
+                        avg_time = self.stats["total_processing_time"] / self.stats["total_messages"]
+                        logger.info(
+                            f"Stream {self.stream_id[:30]}... 统计: "
+                            f"消息数={self.stats['total_messages']}, "
+                            f"平均耗时={avg_time:.3f}秒, "
+                            f"队列长度={self.queue.qsize()}"
+                        )
+                    
+                    # 动态延迟：队列空时短暂休眠
+                    if self.queue.qsize() == 0:
+                        await asyncio.sleep(0.01)
+                
+                except asyncio.TimeoutError:
+                    # 超时是正常的，继续循环
+                    continue
+                except asyncio.CancelledError:
+                    logger.info(f"Stream {self.stream_id} 处理循环被取消")
+                    break
+                except Exception as e:
+                    logger.error(f"Stream {self.stream_id} 处理消息时出错: {e}", exc_info=True)
+                    # 继续处理下一条消息
+                    await asyncio.sleep(0.1)
+        
+        finally:
+            logger.info(f"Stream {self.stream_id} 处理循环结束")
+    
+    def get_stats(self) -> dict:
+        """获取性能统计"""
+        avg_time = (
+            self.stats["total_processing_time"] / self.stats["total_messages"]
+            if self.stats["total_messages"] > 0
+            else 0
+        )
+        
+        return {
+            "stream_id": self.stream_id,
+            "queue_size": self.queue.qsize(),
+            "total_messages": self.stats["total_messages"],
+            "avg_processing_time": avg_time,
+            "queue_overflow_count": self.stats["queue_overflow_count"],
+            "last_active_time": self.last_active_time,
+        }
+
+
+class StreamRouter:
+    """流路由器
+    
+    负责将消息路由到对应的聊天流队列
+    动态管理聊天流的生命周期
+    """
+    
+    def __init__(
+        self,
+        max_streams: int = 500,
+        stream_timeout: int = 600,
+        stream_queue_size: int = 100,
+        cleanup_interval: int = 60,
+    ):
+        self.streams: Dict[str, StreamConsumer] = {}
+        self.lock = asyncio.Lock()
+        self.max_streams = max_streams
+        self.stream_timeout = stream_timeout
+        self.stream_queue_size = stream_queue_size
+        self.cleanup_interval = cleanup_interval
+        self.cleanup_task: Optional[asyncio.Task] = None
+        self.is_running = False
+    
+    async def start(self) -> None:
+        """启动路由器"""
+        if not self.is_running:
+            self.is_running = True
+            self.cleanup_task = asyncio.create_task(self._cleanup_loop())
+            logger.info(
+                f"StreamRouter 已启动 - "
+                f"最大流数: {self.max_streams}, "
+                f"超时: {self.stream_timeout}秒, "
+                f"队列大小: {self.stream_queue_size}"
+            )
+    
+    async def stop(self) -> None:
+        """停止路由器"""
+        self.is_running = False
+        
+        if self.cleanup_task:
+            self.cleanup_task.cancel()
+            try:
+                await self.cleanup_task
+            except asyncio.CancelledError:
+                pass
+        
+        # 停止所有流消费者
+        logger.info(f"正在停止 {len(self.streams)} 个流消费者...")
+        for consumer in self.streams.values():
+            await consumer.stop()
+        
+        self.streams.clear()
+        logger.info("StreamRouter 已停止")
+    
+    async def route_message(self, message: dict) -> None:
+        """路由消息到对应的流"""
+        stream_id = self._extract_stream_id(message)
+        
+        # 快速路径：流已存在
+        if stream_id in self.streams:
+            await self.streams[stream_id].enqueue(message)
+            return
+        
+        # 慢路径：需要创建新流
+        async with self.lock:
+            # 双重检查
+            if stream_id not in self.streams:
+                # 检查流数量限制
+                if len(self.streams) >= self.max_streams:
+                    logger.warning(
+                        f"达到最大流数量限制 ({self.max_streams})，"
+                        f"尝试清理不活跃的流..."
+                    )
+                    await self._cleanup_inactive_streams()
+                    
+                    # 清理后仍然超限，记录警告但继续创建
+                    if len(self.streams) >= self.max_streams:
+                        logger.error(
+                            f"清理后仍达到最大流数量 ({len(self.streams)}/{self.max_streams})！"
+                        )
+                
+                # 创建新流
+                consumer = StreamConsumer(stream_id, self.stream_queue_size)
+                self.streams[stream_id] = consumer
+                await consumer.start()
+                logger.info(f"创建新的 Stream Consumer: {stream_id} (总流数: {len(self.streams)})")
+        
+        await self.streams[stream_id].enqueue(message)
+    
+    def _extract_stream_id(self, message: dict) -> str:
+        """从消息中提取 stream_id
+        
+        返回格式: platform:id:type
+        例如: qq:123456:group 或 qq:789012:private
+        """
+        post_type = message.get("post_type")
+        
+        # 非消息类型，使用默认流（避免创建过多流）
+        if post_type not in ["message", "notice"]:
+            return "system:meta_event"
+        
+        # 消息类型
+        if post_type == "message":
+            message_type = message.get("message_type")
+            if message_type == "group":
+                group_id = message.get("group_id")
+                return f"qq:{group_id}:group"
+            elif message_type == "private":
+                user_id = message.get("user_id")
+                return f"qq:{user_id}:private"
+        
+        # notice 类型
+        elif post_type == "notice":
+            group_id = message.get("group_id")
+            if group_id:
+                return f"qq:{group_id}:group"
+            user_id = message.get("user_id")
+            if user_id:
+                return f"qq:{user_id}:private"
+        
+        # 未知类型，使用通用流
+        return "unknown:unknown"
+    
+    async def _cleanup_inactive_streams(self) -> None:
+        """清理不活跃的流"""
+        current_time = time.time()
+        to_remove = []
+        
+        for stream_id, consumer in self.streams.items():
+            if current_time - consumer.last_active_time > self.stream_timeout:
+                to_remove.append(stream_id)
+        
+        for stream_id in to_remove:
+            await self.streams[stream_id].stop()
+            del self.streams[stream_id]
+            logger.debug(f"清理不活跃的流: {stream_id}")
+        
+        if to_remove:
+            logger.info(
+                f"清理了 {len(to_remove)} 个不活跃的流 "
+                f"(当前活跃流: {len(self.streams)}/{self.max_streams})"
+            )
+    
+    async def _cleanup_loop(self) -> None:
+        """定期清理循环"""
+        logger.info(f"清理循环已启动，间隔: {self.cleanup_interval}秒")
+        try:
+            while self.is_running:
+                await asyncio.sleep(self.cleanup_interval)
+                await self._cleanup_inactive_streams()
+        except asyncio.CancelledError:
+            logger.info("清理循环已停止")
+    
+    def get_all_stats(self) -> list[dict]:
+        """获取所有流的统计信息"""
+        return [consumer.get_stats() for consumer in self.streams.values()]
+    
+    def get_summary(self) -> dict:
+        """获取路由器摘要"""
+        total_messages = sum(c.stats["total_messages"] for c in self.streams.values())
+        total_queue_size = sum(c.queue.qsize() for c in self.streams.values())
+        total_overflows = sum(c.stats["queue_overflow_count"] for c in self.streams.values())
+        
+        # 计算平均队列长度
+        avg_queue_size = total_queue_size / len(self.streams) if self.streams else 0
+        
+        # 找出最繁忙的流
+        busiest_stream = None
+        if self.streams:
+            busiest_stream = max(
+                self.streams.values(),
+                key=lambda c: c.stats["total_messages"]
+            ).stream_id
+        
+        return {
+            "total_streams": len(self.streams),
+            "max_streams": self.max_streams,
+            "total_messages_processed": total_messages,
+            "total_queue_size": total_queue_size,
+            "avg_queue_size": avg_queue_size,
+            "total_queue_overflows": total_overflows,
+            "busiest_stream": busiest_stream,
+        }
+
+
+# 全局路由器实例
+stream_router = StreamRouter()