diff --git a/src/chat/chat_loop/cycle_processor.py b/src/chat/chat_loop/cycle_processor.py
index cc938164d..bb58e6884 100644
--- a/src/chat/chat_loop/cycle_processor.py
+++ b/src/chat/chat_loop/cycle_processor.py
@@ -228,6 +228,8 @@ class CycleProcessor:
         async def execute_action(action_info):
             """执行单个动作的通用函数"""
             try:
+                if action_info["action_type"] == "no_action":
+                    return {"action_type": "no_action", "success": True, "reply_text": "", "command": ""}            
                 if action_info["action_type"] == "no_reply":
                     # 直接处理no_reply逻辑，不再通过动作系统
                     reason = action_info.get("reasoning", "选择不回复")
@@ -245,7 +247,7 @@ class CycleProcessor:
                     )
 
                     return {"action_type": "no_reply", "success": True, "reply_text": "", "command": ""}
-                elif action_info["action_type"] != "reply":
+                elif action_info["action_type"] != "reply" and action_info["action_type"] != "no_action":
                     # 执行普通动作
                     with Timer("动作执行", cycle_timers):
                         success, reply_text, command = await self._handle_action(
@@ -420,7 +422,7 @@ class CycleProcessor:
                 if "reply" in available_actions:
                     fallback_action = "reply"
                 elif available_actions:
-                    fallback_action = list(available_actions.keys())
+                    fallback_action = list(available_actions.keys())[0]
 
                 if fallback_action and fallback_action != action:
                     logger.info(f"{self.context.log_prefix} 使用回退动作: {fallback_action}")
diff --git a/src/chat/planner_actions/planner.py b/src/chat/planner_actions/planner.py
index c353df3ef..a1efd8d57 100644
--- a/src/chat/planner_actions/planner.py
+++ b/src/chat/planner_actions/planner.py
@@ -23,7 +23,13 @@ from src.chat.utils.chat_message_builder import (
 from src.chat.utils.utils import get_chat_type_and_target_info
 from src.chat.planner_actions.action_manager import ActionManager
 from src.chat.message_receive.chat_stream import get_chat_manager
-from src.plugin_system.base.component_types import ActionInfo, ChatMode, ComponentType, ActionActivationType
+from src.plugin_system.base.component_types import (
+    ActionInfo,
+    ChatMode,
+    ComponentType,
+    ActionActivationType,
+    PlannerType,
+)
 from src.plugin_system.core.component_registry import component_registry
 from src.schedule.schedule_manager import schedule_manager
 from src.mood.mood_manager import mood_manager
@@ -503,6 +509,9 @@ class ActionPlanner:
         try:
             sub_planner_actions: Dict[str, ActionInfo] = {}
             for action_name, action_info in available_actions.items():
+                if action_info.planner_type not in [PlannerType.SMALL_BRAIN, PlannerType.ALL]:
+                    continue
+
                 if action_info.activation_type in [ActionActivationType.LLM_JUDGE, ActionActivationType.ALWAYS]:
                     sub_planner_actions[action_name] = action_info
                 elif action_info.activation_type == ActionActivationType.RANDOM:
@@ -550,10 +559,15 @@ class ActionPlanner:
         # --- 3. 大脑独立思考是否回复 ---
         action, reasoning, action_data, target_message = "no_reply", "大脑初始化默认", {}, None
         try:
+            big_brain_actions = {
+                name: info
+                for name, info in available_actions.items()
+                if info.planner_type in [PlannerType.BIG_BRAIN, PlannerType.ALL]
+            }
             prompt, _ = await self.build_planner_prompt(
                 is_group_chat=is_group_chat,
                 chat_target_info=chat_target_info,
-                current_available_actions={},  # 大脑不考虑具体action
+                current_available_actions=big_brain_actions,
                 mode=mode,
                 chat_content_block_override=chat_content_block,
                 message_id_list_override=message_id_list,
diff --git a/src/plugin_system/base/base_action.py b/src/plugin_system/base/base_action.py
index 4a2d16aa1..38d7f5a5b 100644
--- a/src/plugin_system/base/base_action.py
+++ b/src/plugin_system/base/base_action.py
@@ -6,7 +6,7 @@ from typing import Tuple, Optional
 
 from src.common.logger import get_logger
 from src.chat.message_receive.chat_stream import ChatStream
-from src.plugin_system.base.component_types import ActionActivationType, ChatMode, ActionInfo, ComponentType, ChatType
+from src.plugin_system.base.component_types import ActionActivationType, ChatMode, ActionInfo, ComponentType, ChatType,PlannerType
 from src.plugin_system.apis import send_api, database_api, message_api
 
 
@@ -92,6 +92,8 @@ class BaseAction(ABC):
         self.parallel_action: bool = getattr(self.__class__, "parallel_action", True)
         self.associated_types: list[str] = getattr(self.__class__, "associated_types", []).copy()
         self.chat_type_allow: ChatType = getattr(self.__class__, "chat_type_allow", ChatType.ALL)
+        self.planner_type: PlannerType =  getattr(self.__class__, "planner_type", ChatType.ALL)
+
 
         # =============================================================================
         # 便捷属性 - 直接在初始化时获取常用聊天信息（带类型注解）
diff --git a/src/plugin_system/base/component_types.py b/src/plugin_system/base/component_types.py
index ec88ff3ae..f740d0c96 100644
--- a/src/plugin_system/base/component_types.py
+++ b/src/plugin_system/base/component_types.py
@@ -51,6 +51,17 @@ class ChatMode(Enum):
 
 
 # 聊天类型枚举
+class PlannerType(Enum):
+    """规划器类型枚举"""
+
+    BIG_BRAIN = "big_brain"  # 大脑，负责宏观决策
+    SMALL_BRAIN = "small_brain"  # 小脑，负责具体动作
+    ALL = "all"  # 通用
+
+    def __str__(self):
+        return self.value
+
+
 class ChatType(Enum):
     """聊天类型枚举，用于限制插件在不同聊天环境中的使用"""
 
@@ -140,6 +151,7 @@ class ActionInfo(ComponentInfo):
     mode_enable: ChatMode = ChatMode.ALL
     parallel_action: bool = False
     chat_type_allow: ChatType = ChatType.ALL  # 允许的聊天类型
+    planner_type: PlannerType = PlannerType.ALL
 
     def __post_init__(self):
         super().__post_init__()
@@ -215,27 +227,7 @@ class EventInfo(ComponentInfo):
 
     def __post_init__(self):
         super().__post_init__()
-        self.component_type = ComponentType.EVENT
-
-
-# 事件类型枚举
-class EventType(Enum):
-    """
-    事件类型枚举类
-    """
-
-    ON_START = "on_start"  # 启动事件，用于调用按时任务
-    ON_STOP = "on_stop"  # 停止事件，用于调用按时任务
-    ON_MESSAGE = "on_message"
-    ON_PLAN = "on_plan"
-    POST_LLM = "post_llm"
-    AFTER_LLM = "after_llm"
-    POST_SEND = "post_send"
-    AFTER_SEND = "after_send"
-    UNKNOWN = "unknown"  # 未知事件类型
-
-    def __str__(self) -> str:
-        return self.value
+        self.component_type = ComponentType.EVENT_HANDLER
 
 
 @dataclass
diff --git a/src/plugins/built_in/at_user_plugin/plugin.py b/src/plugins/built_in/at_user_plugin/plugin.py
index c39bb8971..4b422a525 100644
--- a/src/plugins/built_in/at_user_plugin/plugin.py
+++ b/src/plugins/built_in/at_user_plugin/plugin.py
@@ -10,7 +10,7 @@ from src.plugin_system import (
 )
 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
+from src.plugin_system.base.component_types import ChatType,PlannerType
 
 logger = get_logger(__name__)
 
@@ -24,6 +24,7 @@ class AtAction(BaseAction):
     activation_type = ActionActivationType.LLM_JUDGE  # 消息接收时激活(?)
     parallel_action = False
     chat_type_allow = ChatType.GROUP
+    planner_type = PlannerType.BIG_BRAIN
 
     # === 功能描述（必须填写）===
     action_parameters = {"user_name": "需要艾特用户的名字", "at_message": "艾特用户时要发送的消,注意消息里不要有@"}