diff --git a/src/plugin_system/base/base_event.py b/src/plugin_system/base/base_event.py
new file mode 100644
index 00000000..6adb333c
--- /dev/null
+++ b/src/plugin_system/base/base_event.py
@@ -0,0 +1,38 @@
+from typing import TYPE_CHECKING, List, Type
+
+from src.common.logger import get_logger
+from src.plugin_system.base.component_types import EventType, MaiMessages
+
+if TYPE_CHECKING:
+    from .base_events_handler import BaseEventHandler
+
+logger = get_logger("base_event")
+    
+class BaseEvent:
+    def __init__(self, event_type: EventType | str) -> None:
+        self.event_type = event_type
+        self.subscribers: List["BaseEventHandler"] = []
+
+    def register_handler_to_event(self, handler: "BaseEventHandler") -> bool:
+        if handler not in self.subscribers:
+            self.subscribers.append(handler)
+            return True
+        logger.warning(f"Handler {handler.handler_name} 已经注册，不可多次注册")
+        return False
+    
+    def remove_handler_from_event(self, handler_class: Type["BaseEventHandler"]) -> bool:
+        for handler in self.subscribers:
+            if isinstance(handler, handler_class):
+                self.subscribers.remove(handler)
+                return True
+        logger.warning(f"Handler {handler_class.__name__} 未注册，无法移除")
+        return False
+    
+    def trigger_event(self, message: MaiMessages):
+        copied_message = message.deepcopy()
+        for handler in self.subscribers:
+            result = handler.execute(copied_message)
+    
+    # TODO: Unfinished Events Handler
+            
+        
\ No newline at end of file
diff --git a/src/plugin_system/base/base_events_handler.py b/src/plugin_system/base/base_events_handler.py
index 80c07ac4..630b1ef2 100644
--- a/src/plugin_system/base/base_events_handler.py
+++ b/src/plugin_system/base/base_events_handler.py
@@ -13,7 +13,7 @@ class BaseEventHandler(ABC):
     所有事件处理器都应该继承这个基类，提供事件处理的基本接口
     """
 
-    event_type: EventType = EventType.UNKNOWN
+    event_type: EventType | str = EventType.UNKNOWN
     """事件类型，默认为未知"""
     handler_name: str = ""
     """处理器名称"""
diff --git a/src/plugin_system/base/component_types.py b/src/plugin_system/base/component_types.py
index 643f42b7..d02ad1ef 100644
--- a/src/plugin_system/base/component_types.py
+++ b/src/plugin_system/base/component_types.py
@@ -1,3 +1,4 @@
+import copy
 from enum import Enum
 from typing import Dict, Any, List, Optional, Tuple
 from dataclasses import dataclass, field
@@ -165,7 +166,7 @@ class ToolInfo(ComponentInfo):
 class EventHandlerInfo(ComponentInfo):
     """事件处理器组件信息"""
 
-    event_type: EventType = EventType.ON_MESSAGE  # 监听事件类型
+    event_type: EventType | str = EventType.ON_MESSAGE  # 监听事件类型
     intercept_message: bool = False  # 是否拦截消息处理（默认不拦截）
     weight: int = 0  # 事件处理器权重，决定执行顺序
 
@@ -281,3 +282,6 @@ class MaiMessages:
     def __post_init__(self):
         if self.message_segments is None:
             self.message_segments = []
+    
+    def deepcopy(self):
+        return copy.deepcopy(self)
diff --git a/src/plugin_system/core/events_manager.py b/src/plugin_system/core/events_manager.py
index 2472d831..b00dfd6f 100644
--- a/src/plugin_system/core/events_manager.py
+++ b/src/plugin_system/core/events_manager.py
@@ -1,6 +1,6 @@
 import asyncio
 import contextlib
-from typing import List, Dict, Optional, Type, Tuple, Any, TYPE_CHECKING
+from typing import List, Dict, Optional, Type, Tuple, TYPE_CHECKING
 
 from src.chat.message_receive.message import MessageRecv
 from src.chat.message_receive.chat_stream import get_chat_manager
@@ -18,7 +18,7 @@ logger = get_logger("events_manager")
 class EventsManager:
     def __init__(self):
         # 有权重的 events 订阅者注册表
-        self._events_subscribers: Dict[EventType, List[BaseEventHandler]] = {event: [] for event in EventType}
+        self._events_subscribers: Dict[EventType | str, List[BaseEventHandler]] = {event: [] for event in EventType}
         self._handler_mapping: Dict[str, Type[BaseEventHandler]] = {}  # 事件处理器映射表
         self._handler_tasks: Dict[str, List[asyncio.Task]] = {}  # 事件处理器正在处理的任务
 
@@ -152,7 +152,8 @@ class EventsManager:
         if handler_class.event_type == EventType.UNKNOWN:
             logger.error(f"事件处理器 {handler_class.__name__} 的事件类型未知，无法注册")
             return False
-
+        if handler_class.event_type not in self._events_subscribers:
+            self._events_subscribers[handler_class.event_type] = []
         handler_instance = handler_class()
         handler_instance.set_plugin_name(handler_info.plugin_name or "unknown")
         self._events_subscribers[handler_class.event_type].append(handler_instance)
diff --git a/src/plugin_system/core/to_do_event.md b/src/plugin_system/core/to_do_event.md
new file mode 100644
index 00000000..11923ff0
--- /dev/null
+++ b/src/plugin_system/core/to_do_event.md
@@ -0,0 +1,14 @@
+- [x] 自定义事件
+- [ ] <del>允许handler随时订阅</del>
+- [ ] 允许handler随时取消订阅
+- [ ] 允许其他组件给handler增加订阅
+- [ ] 允许其他组件给handler取消订阅
+- [ ] <del>允许一个handler订阅多个事件</del>
+- [ ] event激活时给handler传递参数
+- [ ] handler能拿到所有handlers的结果（按照处理权重）
+- [x] 随时注册
+- [ ] 删除event
+    - [ ] 必要性？
+- [ ] 能够更改prompt
+- [ ] 能够更改llm_response
+- [ ] 能够更改message
\ No newline at end of file