diff --git a/src/chat/chat_loop/cycle_processor.py b/src/chat/chat_loop/cycle_processor.py
index 2f07dbb2d..d267bdfb1 100644
--- a/src/chat/chat_loop/cycle_processor.py
+++ b/src/chat/chat_loop/cycle_processor.py
@@ -329,7 +329,35 @@ class CycleProcessor:
                 action_message=action_message,
             )
             if not action_handler:
-                return False, "", ""
+                # 动作处理器创建失败，尝试回退机制
+                logger.warning(f"{self.context.log_prefix} 创建动作处理器失败: {action}，尝试回退方案")
+                
+                # 获取当前可用的动作
+                available_actions = self.context.action_manager.get_using_actions()
+                fallback_action = None
+                
+                # 回退优先级：reply > 第一个可用动作
+                if "reply" in available_actions:
+                    fallback_action = "reply"
+                elif available_actions:
+                    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}")
+                    action_handler = self.context.action_manager.create_action(
+                        action_name=fallback_action,
+                        action_data=action_data,
+                        reasoning=f"原动作'{action}'不可用，自动回退。{reasoning}",
+                        cycle_timers=cycle_timers,
+                        thinking_id=thinking_id,
+                        chat_stream=self.context.chat_stream,
+                        log_prefix=self.context.log_prefix,
+                        action_message=action_message,
+                    )
+                
+                if not action_handler:
+                    logger.error(f"{self.context.log_prefix} 回退方案也失败，无法创建任何动作处理器")
+                    return False, "", ""
             
             success, reply_text = await action_handler.handle_action()
             return success, reply_text, ""
diff --git a/src/chat/memory_system/action_diagnostics.py b/src/chat/memory_system/action_diagnostics.py
new file mode 100644
index 000000000..ba14e5222
--- /dev/null
+++ b/src/chat/memory_system/action_diagnostics.py
@@ -0,0 +1,390 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Action组件诊断和修复脚本
+检查no_reply等核心Action是否正确注册，并尝试修复相关问题
+"""
+
+import sys
+import os
+from typing import Dict, Any
+
+# 添加项目路径
+sys.path.append(os.path.join(os.path.dirname(__file__), '../../../'))
+
+from src.common.logger import get_logger
+from src.plugin_system.core.component_registry import component_registry
+from src.plugin_system.core.plugin_manager import plugin_manager
+from src.plugin_system.base.component_types import ComponentType
+
+logger = get_logger("action_diagnostics")
+
+class ActionDiagnostics:
+    """Action组件诊断器"""
+    
+    def __init__(self):
+        self.required_actions = ["no_reply", "reply", "emoji", "at_user"]
+        
+    def check_plugin_loading(self) -> Dict[str, Any]:
+        """检查插件加载状态"""
+        logger.info("开始检查插件加载状态...")
+        
+        result = {
+            "plugins_loaded": False,
+            "total_plugins": 0,
+            "loaded_plugins": [],
+            "failed_plugins": [],
+            "core_actions_plugin": None
+        }
+        
+        try:
+            # 加载所有插件
+            plugin_manager.load_all_plugins()
+            
+            # 获取插件统计信息
+            stats = plugin_manager.get_stats()
+            result["plugins_loaded"] = True
+            result["total_plugins"] = stats.get("total_plugins", 0)
+            
+            # 检查是否有core_actions插件
+            for plugin_name in plugin_manager.loaded_plugins:
+                result["loaded_plugins"].append(plugin_name)
+                if "core_actions" in plugin_name.lower():
+                    result["core_actions_plugin"] = plugin_name
+            
+            logger.info(f"插件加载成功，总数: {result['total_plugins']}")
+            logger.info(f"已加载插件: {result['loaded_plugins']}")
+            
+        except Exception as e:
+            logger.error(f"插件加载失败: {e}")
+            result["error"] = str(e)
+        
+        return result
+    
+    def check_action_registry(self) -> Dict[str, Any]:
+        """检查Action注册状态"""
+        logger.info("开始检查Action组件注册状态...")
+        
+        result = {
+            "registered_actions": [],
+            "missing_actions": [],
+            "default_actions": {},
+            "total_actions": 0
+        }
+        
+        try:
+            # 获取所有注册的Action
+            all_components = component_registry.get_all_components(ComponentType.ACTION)
+            result["total_actions"] = len(all_components)
+            
+            for name, info in all_components.items():
+                result["registered_actions"].append(name)
+                logger.debug(f"已注册Action: {name} (插件: {info.plugin_name})")
+            
+            # 检查必需的Action是否存在
+            for required_action in self.required_actions:
+                if required_action not in all_components:
+                    result["missing_actions"].append(required_action)
+                    logger.warning(f"缺失必需Action: {required_action}")
+                else:
+                    logger.info(f"找到必需Action: {required_action}")
+            
+            # 获取默认Action
+            default_actions = component_registry.get_default_actions()
+            result["default_actions"] = {name: info.plugin_name for name, info in default_actions.items()}
+            
+            logger.info(f"总注册Action数量: {result['total_actions']}")
+            logger.info(f"缺失Action: {result['missing_actions']}")
+            
+        except Exception as e:
+            logger.error(f"Action注册检查失败: {e}")
+            result["error"] = str(e)
+        
+        return result
+    
+    def check_specific_action(self, action_name: str) -> Dict[str, Any]:
+        """检查特定Action的详细信息"""
+        logger.info(f"检查Action详细信息: {action_name}")
+        
+        result = {
+            "exists": False,
+            "component_info": None,
+            "component_class": None,
+            "is_default": False,
+            "plugin_name": None
+        }
+        
+        try:
+            # 检查组件信息
+            component_info = component_registry.get_component_info(action_name, ComponentType.ACTION)
+            if component_info:
+                result["exists"] = True
+                result["component_info"] = {
+                    "name": component_info.name,
+                    "description": component_info.description,
+                    "plugin_name": component_info.plugin_name,
+                    "version": component_info.version
+                }
+                result["plugin_name"] = component_info.plugin_name
+                logger.info(f"找到Action组件信息: {action_name}")
+            else:
+                logger.warning(f"未找到Action组件信息: {action_name}")
+                return result
+            
+            # 检查组件类
+            component_class = component_registry.get_component_class(action_name, ComponentType.ACTION)
+            if component_class:
+                result["component_class"] = component_class.__name__
+                logger.info(f"找到Action组件类: {component_class.__name__}")
+            else:
+                logger.warning(f"未找到Action组件类: {action_name}")
+            
+            # 检查是否为默认Action
+            default_actions = component_registry.get_default_actions()
+            result["is_default"] = action_name in default_actions
+            
+            logger.info(f"Action {action_name} 检查完成: 存在={result['exists']}, 默认={result['is_default']}")
+            
+        except Exception as e:
+            logger.error(f"检查Action {action_name} 失败: {e}")
+            result["error"] = str(e)
+        
+        return result
+    
+    def attempt_fix_missing_actions(self) -> Dict[str, Any]:
+        """尝试修复缺失的Action"""
+        logger.info("尝试修复缺失的Action组件...")
+        
+        result = {
+            "fixed_actions": [],
+            "still_missing": [],
+            "errors": []
+        }
+        
+        try:
+            # 重新加载插件
+            plugin_manager.load_all_plugins()
+            
+            # 再次检查Action注册状态
+            registry_check = self.check_action_registry()
+            
+            for required_action in self.required_actions:
+                if required_action in registry_check["missing_actions"]:
+                    try:
+                        # 尝试手动注册核心Action
+                        if required_action == "no_reply":
+                            self._register_no_reply_action()
+                            result["fixed_actions"].append(required_action)
+                        else:
+                            result["still_missing"].append(required_action)
+                    except Exception as e:
+                        error_msg = f"修复Action {required_action} 失败: {e}"
+                        logger.error(error_msg)
+                        result["errors"].append(error_msg)
+                        result["still_missing"].append(required_action)
+            
+            logger.info(f"Action修复完成: 已修复={result['fixed_actions']}, 仍缺失={result['still_missing']}")
+            
+        except Exception as e:
+            error_msg = f"Action修复过程失败: {e}"
+            logger.error(error_msg)
+            result["errors"].append(error_msg)
+        
+        return result
+    
+    def _register_no_reply_action(self):
+        """手动注册no_reply Action"""
+        try:
+            from src.plugins.built_in.core_actions.no_reply import NoReplyAction
+            from src.plugin_system.base.component_types import ActionInfo
+            
+            # 创建Action信息
+            action_info = ActionInfo(
+                name="no_reply",
+                description="暂时不回复消息",
+                plugin_name="built_in.core_actions",
+                version="1.0.0"
+            )
+            
+            # 注册Action
+            success = component_registry._register_action_component(action_info, NoReplyAction)
+            if success:
+                logger.info("手动注册no_reply Action成功")
+            else:
+                raise Exception("注册失败")
+                
+        except Exception as e:
+            raise Exception(f"手动注册no_reply Action失败: {e}")
+    
+    def run_full_diagnosis(self) -> Dict[str, Any]:
+        """运行完整诊断"""
+        logger.info("🔧 开始Action组件完整诊断")
+        logger.info("=" * 60)
+        
+        diagnosis_result = {
+            "plugin_status": {},
+            "registry_status": {},
+            "action_details": {},
+            "fix_attempts": {},
+            "summary": {}
+        }
+        
+        # 1. 检查插件加载
+        logger.info("\n📦 步骤1: 检查插件加载状态")
+        diagnosis_result["plugin_status"] = self.check_plugin_loading()
+        
+        # 2. 检查Action注册
+        logger.info("\n📋 步骤2: 检查Action注册状态")
+        diagnosis_result["registry_status"] = self.check_action_registry()
+        
+        # 3. 检查特定Action详细信息
+        logger.info("\n🔍 步骤3: 检查特定Action详细信息")
+        diagnosis_result["action_details"] = {}
+        for action in self.required_actions:
+            diagnosis_result["action_details"][action] = self.check_specific_action(action)
+        
+        # 4. 尝试修复缺失的Action
+        if diagnosis_result["registry_status"].get("missing_actions"):
+            logger.info("\n🔧 步骤4: 尝试修复缺失的Action")
+            diagnosis_result["fix_attempts"] = self.attempt_fix_missing_actions()
+        
+        # 5. 生成诊断摘要
+        logger.info("\n📊 步骤5: 生成诊断摘要")
+        diagnosis_result["summary"] = self._generate_summary(diagnosis_result)
+        
+        self._print_diagnosis_results(diagnosis_result)
+        
+        return diagnosis_result
+    
+    def _generate_summary(self, diagnosis_result: Dict[str, Any]) -> Dict[str, Any]:
+        """生成诊断摘要"""
+        summary = {
+            "overall_status": "unknown",
+            "critical_issues": [],
+            "recommendations": []
+        }
+        
+        try:
+            # 检查插件加载状态
+            if not diagnosis_result["plugin_status"].get("plugins_loaded"):
+                summary["critical_issues"].append("插件加载失败")
+                summary["recommendations"].append("检查插件系统配置")
+            
+            # 检查必需Action
+            missing_actions = diagnosis_result["registry_status"].get("missing_actions", [])
+            if "no_reply" in missing_actions:
+                summary["critical_issues"].append("缺失no_reply Action")
+                summary["recommendations"].append("检查core_actions插件是否正确加载")
+            
+            # 检查修复结果
+            if diagnosis_result.get("fix_attempts"):
+                still_missing = diagnosis_result["fix_attempts"].get("still_missing", [])
+                if still_missing:
+                    summary["critical_issues"].append(f"修复后仍缺失Action: {still_missing}")
+                    summary["recommendations"].append("需要手动修复插件注册问题")
+            
+            # 确定整体状态
+            if not summary["critical_issues"]:
+                summary["overall_status"] = "healthy"
+            elif len(summary["critical_issues"]) <= 2:
+                summary["overall_status"] = "warning"
+            else:
+                summary["overall_status"] = "critical"
+            
+        except Exception as e:
+            summary["critical_issues"].append(f"摘要生成失败: {e}")
+            summary["overall_status"] = "error"
+        
+        return summary
+    
+    def _print_diagnosis_results(self, diagnosis_result: Dict[str, Any]):
+        """打印诊断结果"""
+        logger.info("\n" + "=" * 60)
+        logger.info("📈 诊断结果摘要")
+        logger.info("=" * 60)
+        
+        summary = diagnosis_result.get("summary", {})
+        overall_status = summary.get("overall_status", "unknown")
+        
+        # 状态指示器
+        status_indicators = {
+            "healthy": "✅ 系统健康",
+            "warning": "⚠️ 存在警告",
+            "critical": "❌ 存在严重问题",
+            "error": "💥 诊断出错",
+            "unknown": "❓ 状态未知"
+        }
+        
+        logger.info(f"🎯 整体状态: {status_indicators.get(overall_status, overall_status)}")
+        
+        # 关键问题
+        critical_issues = summary.get("critical_issues", [])
+        if critical_issues:
+            logger.info("\n🚨 关键问题:")
+            for issue in critical_issues:
+                logger.info(f"   • {issue}")
+        
+        # 建议
+        recommendations = summary.get("recommendations", [])
+        if recommendations:
+            logger.info("\n💡 建议:")
+            for rec in recommendations:
+                logger.info(f"   • {rec}")
+        
+        # 详细状态
+        plugin_status = diagnosis_result.get("plugin_status", {})
+        if plugin_status.get("plugins_loaded"):
+            logger.info(f"\n📦 插件状态: 已加载 {plugin_status.get('total_plugins', 0)} 个插件")
+        else:
+            logger.info("\n📦 插件状态: ❌ 插件加载失败")
+        
+        registry_status = diagnosis_result.get("registry_status", {})
+        total_actions = registry_status.get("total_actions", 0)
+        missing_actions = registry_status.get("missing_actions", [])
+        logger.info(f"📋 Action状态: 已注册 {total_actions} 个，缺失 {len(missing_actions)} 个")
+        
+        if missing_actions:
+            logger.info(f"   缺失的Action: {missing_actions}")
+        
+        logger.info("\n" + "=" * 60)
+
+def main():
+    """主函数"""
+    diagnostics = ActionDiagnostics()
+    
+    try:
+        result = diagnostics.run_full_diagnosis()
+        
+        # 保存诊断结果
+        import json
+        with open("action_diagnosis_results.json", "w", encoding="utf-8") as f:
+            json.dump(result, f, indent=2, ensure_ascii=False, default=str)
+        
+        logger.info("📄 诊断结果已保存到: action_diagnosis_results.json")
+        
+        # 根据诊断结果返回适当的退出代码
+        summary = result.get("summary", {})
+        overall_status = summary.get("overall_status", "unknown")
+        
+        if overall_status == "healthy":
+            return 0
+        elif overall_status == "warning":
+            return 1
+        else:
+            return 2
+            
+    except KeyboardInterrupt:
+        logger.info("❌ 诊断被用户中断")
+        return 3
+    except Exception as e:
+        logger.error(f"❌ 诊断执行失败: {e}")
+        import traceback
+        traceback.print_exc()
+        return 4
+
+if __name__ == "__main__":
+    import logging
+    logging.basicConfig(level=logging.INFO)
+    
+    exit_code = main()
+    sys.exit(exit_code)
diff --git a/src/chat/memory_system/async_instant_memory_wrapper.py b/src/chat/memory_system/async_instant_memory_wrapper.py
new file mode 100644
index 000000000..869301a94
--- /dev/null
+++ b/src/chat/memory_system/async_instant_memory_wrapper.py
@@ -0,0 +1,240 @@
+# -*- coding: utf-8 -*-
+"""
+异步瞬时记忆包装器
+提供对现有瞬时记忆系统的异步包装，支持超时控制和回退机制
+"""
+
+import asyncio
+import time
+from typing import Optional, List, Dict, Any
+from src.common.logger import get_logger
+from src.config.config import global_config
+
+logger = get_logger("async_instant_memory_wrapper")
+
+class AsyncInstantMemoryWrapper:
+    """异步瞬时记忆包装器"""
+    
+    def __init__(self, chat_id: str):
+        self.chat_id = chat_id
+        self.llm_memory = None
+        self.vector_memory = None
+        self.cache: Dict[str, tuple[Any, float]] = {}  # 缓存：(结果, 时间戳)
+        self.cache_ttl = 300  # 缓存5分钟
+        self.default_timeout = 3.0  # 默认超时3秒
+        
+        # 延迟加载记忆系统
+        self._initialize_memory_systems()
+    
+    def _initialize_memory_systems(self):
+        """延迟初始化记忆系统"""
+        try:
+            # 初始化LLM记忆系统
+            from src.chat.memory_system.instant_memory import InstantMemory
+            self.llm_memory = InstantMemory(self.chat_id)
+            logger.debug(f"LLM瞬时记忆系统已初始化: {self.chat_id}")
+        except Exception as e:
+            logger.warning(f"LLM瞬时记忆系统初始化失败: {e}")
+        
+        try:
+            # 初始化向量记忆系统
+            from src.chat.memory_system.vector_instant_memory import VectorInstantMemoryV2
+            self.vector_memory = VectorInstantMemoryV2(self.chat_id)
+            logger.debug(f"向量瞬时记忆系统已初始化: {self.chat_id}")
+        except Exception as e:
+            logger.warning(f"向量瞬时记忆系统初始化失败: {e}")
+    
+    def _get_cache_key(self, operation: str, content: str) -> str:
+        """生成缓存键"""
+        return f"{operation}_{self.chat_id}_{hash(content)}"
+    
+    def _is_cache_valid(self, cache_key: str) -> bool:
+        """检查缓存是否有效"""
+        if cache_key not in self.cache:
+            return False
+        
+        _, timestamp = self.cache[cache_key]
+        return time.time() - timestamp < self.cache_ttl
+    
+    def _get_cached_result(self, cache_key: str) -> Optional[Any]:
+        """获取缓存结果"""
+        if self._is_cache_valid(cache_key):
+            result, _ = self.cache[cache_key]
+            return result
+        return None
+    
+    def _cache_result(self, cache_key: str, result: Any):
+        """缓存结果"""
+        self.cache[cache_key] = (result, time.time())
+    
+    async def store_memory_async(self, content: str, timeout: float = None) -> bool:
+        """异步存储记忆（带超时控制）"""
+        if timeout is None:
+            timeout = self.default_timeout
+        
+        success_count = 0
+        total_systems = 0
+        
+        # 异步存储到LLM记忆系统
+        if self.llm_memory:
+            total_systems += 1
+            try:
+                await asyncio.wait_for(
+                    self.llm_memory.create_and_store_memory(content),
+                    timeout=timeout
+                )
+                success_count += 1
+                logger.debug(f"LLM记忆存储成功: {content[:50]}...")
+            except asyncio.TimeoutError:
+                logger.warning(f"LLM记忆存储超时: {content[:50]}...")
+            except Exception as e:
+                logger.error(f"LLM记忆存储失败: {e}")
+        
+        # 异步存储到向量记忆系统
+        if self.vector_memory:
+            total_systems += 1
+            try:
+                await asyncio.wait_for(
+                    self.vector_memory.store_message(content),
+                    timeout=timeout
+                )
+                success_count += 1
+                logger.debug(f"向量记忆存储成功: {content[:50]}...")
+            except asyncio.TimeoutError:
+                logger.warning(f"向量记忆存储超时: {content[:50]}...")
+            except Exception as e:
+                logger.error(f"向量记忆存储失败: {e}")
+        
+        return success_count > 0
+    
+    async def retrieve_memory_async(self, query: str, timeout: float = None, 
+                                   use_cache: bool = True) -> Optional[Any]:
+        """异步检索记忆（带缓存和超时控制）"""
+        if timeout is None:
+            timeout = self.default_timeout
+        
+        # 检查缓存
+        if use_cache:
+            cache_key = self._get_cache_key("retrieve", query)
+            cached_result = self._get_cached_result(cache_key)
+            if cached_result is not None:
+                logger.debug(f"记忆检索命中缓存: {query[:30]}...")
+                return cached_result
+        
+        # 尝试多种记忆系统
+        results = []
+        
+        # 从向量记忆系统检索（优先，速度快）
+        if self.vector_memory:
+            try:
+                vector_result = await asyncio.wait_for(
+                    self.vector_memory.get_memory_for_context(query),
+                    timeout=timeout * 0.6  # 给向量系统60%的时间
+                )
+                if vector_result:
+                    results.append(vector_result)
+                    logger.debug(f"向量记忆检索成功: {query[:30]}...")
+            except asyncio.TimeoutError:
+                logger.warning(f"向量记忆检索超时: {query[:30]}...")
+            except Exception as e:
+                logger.error(f"向量记忆检索失败: {e}")
+        
+        # 从LLM记忆系统检索（备用，更准确但较慢）
+        if self.llm_memory and len(results) == 0:  # 只有向量检索失败时才使用LLM
+            try:
+                llm_result = await asyncio.wait_for(
+                    self.llm_memory.get_memory(query),
+                    timeout=timeout * 0.4  # 给LLM系统40%的时间
+                )
+                if llm_result:
+                    results.extend(llm_result)
+                    logger.debug(f"LLM记忆检索成功: {query[:30]}...")
+            except asyncio.TimeoutError:
+                logger.warning(f"LLM记忆检索超时: {query[:30]}...")
+            except Exception as e:
+                logger.error(f"LLM记忆检索失败: {e}")
+        
+        # 合并结果
+        final_result = None
+        if results:
+            if len(results) == 1:
+                final_result = results[0]
+            else:
+                # 合并多个结果
+                if isinstance(results[0], str):
+                    final_result = "\n".join(str(r) for r in results)
+                elif isinstance(results[0], list):
+                    final_result = []
+                    for r in results:
+                        if isinstance(r, list):
+                            final_result.extend(r)
+                        else:
+                            final_result.append(r)
+                else:
+                    final_result = results[0]  # 使用第一个结果
+        
+        # 缓存结果
+        if use_cache and final_result is not None:
+            cache_key = self._get_cache_key("retrieve", query)
+            self._cache_result(cache_key, final_result)
+        
+        return final_result
+    
+    async def get_memory_with_fallback(self, query: str, max_timeout: float = 2.0) -> str:
+        """获取记忆的回退方法，保证不会长时间阻塞"""
+        try:
+            # 首先尝试快速检索
+            result = await self.retrieve_memory_async(query, timeout=max_timeout)
+            
+            if result:
+                if isinstance(result, list):
+                    return "\n".join(str(item) for item in result)
+                return str(result)
+            
+            return ""
+            
+        except Exception as e:
+            logger.error(f"记忆检索完全失败: {e}")
+            return ""
+    
+    def store_memory_background(self, content: str):
+        """在后台存储记忆（发后即忘模式）"""
+        async def background_store():
+            try:
+                await self.store_memory_async(content, timeout=10.0)  # 后台任务可以用更长超时
+            except Exception as e:
+                logger.error(f"后台记忆存储失败: {e}")
+        
+        # 创建后台任务
+        asyncio.create_task(background_store())
+    
+    def get_status(self) -> Dict[str, Any]:
+        """获取包装器状态"""
+        return {
+            "chat_id": self.chat_id,
+            "llm_memory_available": self.llm_memory is not None,
+            "vector_memory_available": self.vector_memory is not None,
+            "cache_entries": len(self.cache),
+            "cache_ttl": self.cache_ttl,
+            "default_timeout": self.default_timeout
+        }
+    
+    def clear_cache(self):
+        """清理缓存"""
+        self.cache.clear()
+        logger.info(f"记忆缓存已清理: {self.chat_id}")
+
+# 缓存包装器实例，避免重复创建
+_wrapper_cache: Dict[str, AsyncInstantMemoryWrapper] = {}
+
+def get_async_instant_memory(chat_id: str) -> AsyncInstantMemoryWrapper:
+    """获取异步瞬时记忆包装器实例"""
+    if chat_id not in _wrapper_cache:
+        _wrapper_cache[chat_id] = AsyncInstantMemoryWrapper(chat_id)
+    return _wrapper_cache[chat_id]
+
+def clear_wrapper_cache():
+    """清理包装器缓存"""
+    global _wrapper_cache
+    _wrapper_cache.clear()
+    logger.info("异步瞬时记忆包装器缓存已清理")
diff --git a/src/chat/memory_system/async_memory_optimizer.py b/src/chat/memory_system/async_memory_optimizer.py
new file mode 100644
index 000000000..93ab88004
--- /dev/null
+++ b/src/chat/memory_system/async_memory_optimizer.py
@@ -0,0 +1,337 @@
+# -*- coding: utf-8 -*-
+"""
+异步记忆系统优化器
+解决记忆系统阻塞主程序的问题，将同步操作改为异步非阻塞操作
+"""
+
+import asyncio
+import time
+from typing import Dict, List, Optional, Any, Callable
+from dataclasses import dataclass
+from queue import Queue
+import threading
+from concurrent.futures import ThreadPoolExecutor
+from src.common.logger import get_logger
+from src.config.config import global_config
+
+logger = get_logger("async_memory_optimizer")
+
+@dataclass
+class MemoryTask:
+    """记忆任务数据结构"""
+    task_id: str
+    task_type: str  # "store", "retrieve", "build"
+    chat_id: str
+    content: str
+    priority: int = 1  # 1=低优先级, 2=中优先级, 3=高优先级
+    callback: Optional[Callable] = None
+    created_at: float = None
+    
+    def __post_init__(self):
+        if self.created_at is None:
+            self.created_at = time.time()
+
+class AsyncMemoryQueue:
+    """异步记忆任务队列管理器"""
+    
+    def __init__(self, max_workers: int = 3):
+        self.max_workers = max_workers
+        self.executor = ThreadPoolExecutor(max_workers=max_workers)
+        self.task_queue = asyncio.Queue()
+        self.running_tasks: Dict[str, asyncio.Task] = {}
+        self.completed_tasks: Dict[str, Any] = {}
+        self.failed_tasks: Dict[str, str] = {}
+        self.is_running = False
+        self.worker_tasks: List[asyncio.Task] = []
+        
+    async def start(self):
+        """启动异步队列处理器"""
+        if self.is_running:
+            return
+            
+        self.is_running = True
+        # 启动多个工作协程
+        for i in range(self.max_workers):
+            worker = asyncio.create_task(self._worker(f"worker-{i}"))
+            self.worker_tasks.append(worker)
+        
+        logger.info(f"异步记忆队列已启动，工作线程数: {self.max_workers}")
+    
+    async def stop(self):
+        """停止队列处理器"""
+        self.is_running = False
+        
+        # 等待所有工作任务完成
+        for task in self.worker_tasks:
+            task.cancel()
+        
+        await asyncio.gather(*self.worker_tasks, return_exceptions=True)
+        self.executor.shutdown(wait=True)
+        logger.info("异步记忆队列已停止")
+    
+    async def _worker(self, worker_name: str):
+        """工作协程，处理队列中的任务"""
+        logger.info(f"记忆处理工作线程 {worker_name} 启动")
+        
+        while self.is_running:
+            try:
+                # 等待任务，超时1秒避免永久阻塞
+                task = await asyncio.wait_for(self.task_queue.get(), timeout=1.0)
+                
+                # 执行任务
+                await self._execute_task(task, worker_name)
+                
+            except asyncio.TimeoutError:
+                # 超时正常，继续下一次循环
+                continue
+            except Exception as e:
+                logger.error(f"工作线程 {worker_name} 处理任务时出错: {e}")
+    
+    async def _execute_task(self, task: MemoryTask, worker_name: str):
+        """执行具体的记忆任务"""
+        try:
+            logger.debug(f"[{worker_name}] 开始处理任务: {task.task_type} - {task.task_id}")
+            start_time = time.time()
+            
+            # 根据任务类型执行不同的处理逻辑
+            result = None
+            if task.task_type == "store":
+                result = await self._handle_store_task(task)
+            elif task.task_type == "retrieve":
+                result = await self._handle_retrieve_task(task)
+            elif task.task_type == "build":
+                result = await self._handle_build_task(task)
+            else:
+                raise ValueError(f"未知的任务类型: {task.task_type}")
+            
+            # 记录完成的任务
+            self.completed_tasks[task.task_id] = result
+            execution_time = time.time() - start_time
+            
+            logger.debug(f"[{worker_name}] 任务完成: {task.task_id} (耗时: {execution_time:.2f}s)")
+            
+            # 执行回调函数
+            if task.callback:
+                try:
+                    if asyncio.iscoroutinefunction(task.callback):
+                        await task.callback(result)
+                    else:
+                        task.callback(result)
+                except Exception as e:
+                    logger.error(f"任务回调执行失败: {e}")
+                    
+        except Exception as e:
+            error_msg = f"任务执行失败: {e}"
+            logger.error(f"[{worker_name}] {error_msg}")
+            self.failed_tasks[task.task_id] = error_msg
+            
+            # 执行错误回调
+            if task.callback:
+                try:
+                    if asyncio.iscoroutinefunction(task.callback):
+                        await task.callback(None)
+                    else:
+                        task.callback(None)
+                except:
+                    pass
+    
+    async def _handle_store_task(self, task: MemoryTask) -> Any:
+        """处理记忆存储任务"""
+        # 这里需要根据具体的记忆系统来实现
+        # 为了避免循环导入，这里使用延迟导入
+        try:
+            from src.chat.memory_system.instant_memory import InstantMemory
+            
+            instant_memory = InstantMemory(task.chat_id)
+            await instant_memory.create_and_store_memory(task.content)
+            return True
+        except Exception as e:
+            logger.error(f"记忆存储失败: {e}")
+            return False
+    
+    async def _handle_retrieve_task(self, task: MemoryTask) -> Any:
+        """处理记忆检索任务"""
+        try:
+            from src.chat.memory_system.instant_memory import InstantMemory
+            
+            instant_memory = InstantMemory(task.chat_id)
+            memories = await instant_memory.get_memory(task.content)
+            return memories or []
+        except Exception as e:
+            logger.error(f"记忆检索失败: {e}")
+            return []
+    
+    async def _handle_build_task(self, task: MemoryTask) -> Any:
+        """处理记忆构建任务（海马体系统）"""
+        try:
+            # 延迟导入避免循环依赖
+            if global_config.memory.enable_memory:
+                from src.chat.memory_system.Hippocampus import hippocampus_manager
+                
+                if hippocampus_manager._initialized:
+                    await hippocampus_manager.build_memory()
+                    return True
+            return False
+        except Exception as e:
+            logger.error(f"记忆构建失败: {e}")
+            return False
+    
+    async def add_task(self, task: MemoryTask) -> str:
+        """添加任务到队列"""
+        await self.task_queue.put(task)
+        self.running_tasks[task.task_id] = task
+        logger.debug(f"任务已加入队列: {task.task_type} - {task.task_id}")
+        return task.task_id
+    
+    def get_task_result(self, task_id: str) -> Optional[Any]:
+        """获取任务结果（非阻塞）"""
+        return self.completed_tasks.get(task_id)
+    
+    def is_task_completed(self, task_id: str) -> bool:
+        """检查任务是否完成"""
+        return task_id in self.completed_tasks or task_id in self.failed_tasks
+    
+    def get_queue_status(self) -> Dict[str, Any]:
+        """获取队列状态"""
+        return {
+            "is_running": self.is_running,
+            "queue_size": self.task_queue.qsize(),
+            "running_tasks": len(self.running_tasks),
+            "completed_tasks": len(self.completed_tasks),
+            "failed_tasks": len(self.failed_tasks),
+            "worker_count": len(self.worker_tasks)
+        }
+
+class NonBlockingMemoryManager:
+    """非阻塞记忆管理器"""
+    
+    def __init__(self):
+        self.queue = AsyncMemoryQueue(max_workers=3)
+        self.cache: Dict[str, Any] = {}
+        self.cache_ttl: Dict[str, float] = {}
+        self.cache_timeout = 300  # 缓存5分钟
+        
+    async def initialize(self):
+        """初始化管理器"""
+        await self.queue.start()
+        logger.info("非阻塞记忆管理器已初始化")
+    
+    async def shutdown(self):
+        """关闭管理器"""
+        await self.queue.stop()
+        logger.info("非阻塞记忆管理器已关闭")
+    
+    async def store_memory_async(self, chat_id: str, content: str, 
+                                callback: Optional[Callable] = None) -> str:
+        """异步存储记忆（非阻塞）"""
+        task = MemoryTask(
+            task_id=f"store_{chat_id}_{int(time.time() * 1000)}",
+            task_type="store",
+            chat_id=chat_id,
+            content=content,
+            priority=1,  # 存储优先级较低
+            callback=callback
+        )
+        
+        return await self.queue.add_task(task)
+    
+    async def retrieve_memory_async(self, chat_id: str, query: str,
+                                   callback: Optional[Callable] = None) -> str:
+        """异步检索记忆（非阻塞）"""
+        # 先检查缓存
+        cache_key = f"retrieve_{chat_id}_{hash(query)}"
+        if self._is_cache_valid(cache_key):
+            result = self.cache[cache_key]
+            if callback:
+                if asyncio.iscoroutinefunction(callback):
+                    await callback(result)
+                else:
+                    callback(result)
+            return "cache_hit"
+        
+        task = MemoryTask(
+            task_id=f"retrieve_{chat_id}_{int(time.time() * 1000)}",
+            task_type="retrieve",
+            chat_id=chat_id,
+            content=query,
+            priority=2,  # 检索优先级中等
+            callback=self._create_cache_callback(cache_key, callback)
+        )
+        
+        return await self.queue.add_task(task)
+    
+    async def build_memory_async(self, callback: Optional[Callable] = None) -> str:
+        """异步构建记忆（非阻塞）"""
+        task = MemoryTask(
+            task_id=f"build_memory_{int(time.time() * 1000)}",
+            task_type="build",
+            chat_id="system",
+            content="",
+            priority=1,  # 构建优先级较低，避免影响用户体验
+            callback=callback
+        )
+        
+        return await self.queue.add_task(task)
+    
+    def _is_cache_valid(self, cache_key: str) -> bool:
+        """检查缓存是否有效"""
+        if cache_key not in self.cache:
+            return False
+        
+        return time.time() - self.cache_ttl.get(cache_key, 0) < self.cache_timeout
+    
+    def _create_cache_callback(self, cache_key: str, original_callback: Optional[Callable]):
+        """创建带缓存的回调函数"""
+        async def cache_callback(result):
+            # 存储到缓存
+            if result is not None:
+                self.cache[cache_key] = result
+                self.cache_ttl[cache_key] = time.time()
+            
+            # 执行原始回调
+            if original_callback:
+                if asyncio.iscoroutinefunction(original_callback):
+                    await original_callback(result)
+                else:
+                    original_callback(result)
+        
+        return cache_callback
+    
+    def get_cached_memory(self, chat_id: str, query: str) -> Optional[Any]:
+        """获取缓存的记忆（同步，立即返回）"""
+        cache_key = f"retrieve_{chat_id}_{hash(query)}"
+        if self._is_cache_valid(cache_key):
+            return self.cache[cache_key]
+        return None
+    
+    def get_status(self) -> Dict[str, Any]:
+        """获取管理器状态"""
+        status = self.queue.get_queue_status()
+        status.update({
+            "cache_entries": len(self.cache),
+            "cache_timeout": self.cache_timeout
+        })
+        return status
+
+# 全局实例
+async_memory_manager = NonBlockingMemoryManager()
+
+# 便捷函数
+async def store_memory_nonblocking(chat_id: str, content: str) -> str:
+    """非阻塞存储记忆的便捷函数"""
+    return await async_memory_manager.store_memory_async(chat_id, content)
+
+async def retrieve_memory_nonblocking(chat_id: str, query: str) -> Optional[Any]:
+    """非阻塞检索记忆的便捷函数，支持缓存"""
+    # 先尝试从缓存获取
+    cached_result = async_memory_manager.get_cached_memory(chat_id, query)
+    if cached_result is not None:
+        return cached_result
+    
+    # 缓存未命中，启动异步检索
+    await async_memory_manager.retrieve_memory_async(chat_id, query)
+    return None  # 返回None表示需要异步获取
+
+async def build_memory_nonblocking() -> str:
+    """非阻塞构建记忆的便捷函数"""
+    return await async_memory_manager.build_memory_async()
diff --git a/src/chat/planner_actions/planner.py b/src/chat/planner_actions/planner.py
index 4b3d5f5df..ae1fac318 100644
--- a/src/chat/planner_actions/planner.py
+++ b/src/chat/planner_actions/planner.py
@@ -323,18 +323,69 @@ class ActionPlanner:
                         )
                         reasoning = f"LLM 返回了当前不可用的动作 '{action}' (可用: {list(current_available_actions.keys())})。原始理由: {reasoning}"
                         action = "no_reply"
+                        
+                        # 检查no_reply是否可用，如果不可用则使用reply作为终极回退
+                        if "no_reply" not in current_available_actions:
+                            if "reply" in current_available_actions:
+                                action = "reply"
+                                reasoning += " (no_reply不可用，使用reply作为回退)"
+                                logger.warning(f"{self.log_prefix}no_reply不可用，使用reply作为回退")
+                            else:
+                                # 如果连reply都不可用，使用第一个可用的动作
+                                if current_available_actions:
+                                    action = list(current_available_actions.keys())[0]
+                                    reasoning += f" (no_reply和reply都不可用，使用{action}作为回退)"
+                                    logger.warning(f"{self.log_prefix}no_reply和reply都不可用，使用{action}作为回退")
+                                else:
+                                    # 如果没有任何可用动作，这是一个严重错误
+                                    logger.error(f"{self.log_prefix}没有任何可用动作，系统状态异常")
+                                    action = "no_reply"  # 仍然尝试no_reply，让上层处理
+                    
+                    # 对no_reply动作本身也进行可用性检查
+                    elif action == "no_reply" and "no_reply" not in current_available_actions:
+                        if "reply" in current_available_actions:
+                            action = "reply"
+                            reasoning = f"no_reply不可用，自动回退到reply。原因: {reasoning}"
+                            logger.warning(f"{self.log_prefix}no_reply不可用，自动回退到reply")
+                        elif current_available_actions:
+                            action = list(current_available_actions.keys())[0]
+                            reasoning = f"no_reply不可用，自动回退到{action}。原因: {reasoning}"
+                            logger.warning(f"{self.log_prefix}no_reply不可用，自动回退到{action}")
+                        else:
+                            logger.error(f"{self.log_prefix}没有任何可用动作，保持no_reply让上层处理")
 
                 except Exception as json_e:
                     logger.warning(f"{self.log_prefix}解析LLM响应JSON失败 {json_e}. LLM原始输出: '{llm_content}'")
                     traceback.print_exc()
                     reasoning = f"解析LLM响应JSON失败: {json_e}. 将使用默认动作 'no_reply'."
                     action = "no_reply"
+                    
+                    # 检查no_reply是否可用
+                    if "no_reply" not in current_available_actions:
+                        if "reply" in current_available_actions:
+                            action = "reply"
+                            reasoning += " (no_reply不可用，使用reply)"
+                        elif current_available_actions:
+                            action = list(current_available_actions.keys())[0]
+                            reasoning += f" (no_reply不可用，使用{action})"
 
         except Exception as outer_e:
             logger.error(f"{self.log_prefix}Planner 处理过程中发生意外错误，规划失败，将执行 no_reply: {outer_e}")
             traceback.print_exc()
             action = "no_reply"
             reasoning = f"Planner 内部处理错误: {outer_e}"
+            
+            # 检查no_reply是否可用
+            current_available_actions = self.action_manager.get_using_actions()
+            if "no_reply" not in current_available_actions:
+                if "reply" in current_available_actions:
+                    action = "reply"
+                    reasoning += " (no_reply不可用，使用reply)"
+                elif current_available_actions:
+                    action = list(current_available_actions.keys())[0]
+                    reasoning += f" (no_reply不可用，使用{action})"
+                else:
+                    logger.error(f"{self.log_prefix}严重错误：没有任何可用动作")
 
         is_parallel = False
         if mode == ChatMode.NORMAL and action in current_available_actions:
diff --git a/src/chat/replyer/default_generator.py b/src/chat/replyer/default_generator.py
index 177f56174..2704c2d06 100644
--- a/src/chat/replyer/default_generator.py
+++ b/src/chat/replyer/default_generator.py
@@ -474,13 +474,79 @@ class DefaultReplyer:
         )
 
         if global_config.memory.enable_instant_memory:
-            # 异步存储聊天历史到向量记忆系统
-            asyncio.create_task(self.instant_memory.store_message(chat_history))
+            # 使用异步记忆包装器（最优化的非阻塞模式）
+            try:
+                from src.chat.memory_system.async_instant_memory_wrapper import get_async_instant_memory
+                
+                # 获取异步记忆包装器
+                async_memory = get_async_instant_memory(self.chat_stream.stream_id)
+                
+                # 后台存储聊天历史（完全非阻塞）
+                async_memory.store_memory_background(chat_history)
+                
+                # 快速检索记忆，最大超时2秒
+                instant_memory = await async_memory.get_memory_with_fallback(target, max_timeout=2.0)
+                
+                logger.info(f"异步瞬时记忆：{instant_memory}")
+                
+            except ImportError:
+                # 如果异步包装器不可用，尝试使用异步记忆管理器
+                try:
+                    from src.chat.memory_system.async_memory_optimizer import (
+                        retrieve_memory_nonblocking,
+                        store_memory_nonblocking
+                    )
+                    
+                    # 异步存储聊天历史（非阻塞）
+                    asyncio.create_task(store_memory_nonblocking(
+                        chat_id=self.chat_stream.stream_id,
+                        content=chat_history
+                    ))
+                    
+                    # 尝试从缓存获取瞬时记忆
+                    instant_memory = await retrieve_memory_nonblocking(
+                        chat_id=self.chat_stream.stream_id,
+                        query=target
+                    )
+                    
+                    # 如果没有缓存结果，快速检索一次
+                    if instant_memory is None:
+                        try:
+                            instant_memory = await asyncio.wait_for(
+                                self.instant_memory.get_memory_for_context(target),
+                                timeout=1.5
+                            )
+                        except asyncio.TimeoutError:
+                            logger.warning("瞬时记忆检索超时，使用空结果")
+                            instant_memory = ""
+                    
+                    logger.info(f"向量瞬时记忆：{instant_memory}")
+                    
+                except ImportError:
+                    # 最后的fallback：使用原有逻辑但加上超时控制
+                    logger.warning("异步记忆系统不可用，使用带超时的同步方式")
+                    
+                    # 异步存储聊天历史
+                    asyncio.create_task(self.instant_memory.store_message(chat_history))
 
-            # 从向量记忆系统获取相关记忆上下文
-            instant_memory = await self.instant_memory.get_memory_for_context(target)
+                    # 带超时的记忆检索
+                    try:
+                        instant_memory = await asyncio.wait_for(
+                            self.instant_memory.get_memory_for_context(target),
+                            timeout=1.0  # 最保守的1秒超时
+                        )
+                    except asyncio.TimeoutError:
+                        logger.warning("瞬时记忆检索超时，跳过记忆获取")
+                        instant_memory = ""
+                    except Exception as e:
+                        logger.error(f"瞬时记忆检索失败: {e}")
+                        instant_memory = ""
+                    
+                    logger.info(f"同步瞬时记忆：{instant_memory}")
             
-            logger.info(f"向量瞬时记忆：{instant_memory}")
+            except Exception as e:
+                logger.error(f"瞬时记忆系统异常: {e}")
+                instant_memory = ""
 
         # 构建记忆字符串，即使某种记忆为空也要继续
         memory_str = ""
diff --git a/src/main.py b/src/main.py
index cf9856ced..1e43f4d49 100644
--- a/src/main.py
+++ b/src/main.py
@@ -77,6 +77,22 @@ class MainSystem:
             logger.info("🛑 插件热重载系统已停止")
         except Exception as e:
             logger.error(f"停止热重载系统时出错: {e}")
+        
+        try:
+            # 停止异步记忆管理器
+            if global_config.memory.enable_memory:
+                from src.chat.memory_system.async_memory_optimizer import async_memory_manager
+                import asyncio
+                loop = asyncio.get_event_loop()
+                if loop.is_running():
+                    asyncio.create_task(async_memory_manager.shutdown())
+                else:
+                    loop.run_until_complete(async_memory_manager.shutdown())
+                logger.info("🛑 记忆管理器已停止")
+        except ImportError:
+            pass  # 异步记忆优化器不存在
+        except Exception as e:
+            logger.error(f"停止记忆管理器时出错: {e}")
 
     async def initialize(self):
         """初始化系统组件"""
@@ -92,7 +108,7 @@ class MainSystem:
             ("初墨小姐宇宙第一(不是)", 10), #15
             ("world.execute(me);", 10),
             ("正在尝试连接到MaiBot的服务器...连接失败...，正在转接到maimaiDX", 10),
-            ("你的bug就像星星一样多，而我的代码像太阳一样，一出来就看不见了。    （金日成...误💦）", 10),
+            ("你的bug就像星星一样多，而我的代码像太阳一样，一出来就看不见了。", 10),
             ("温馨提示：请不要在代码中留下任何魔法数字，除非你知道它的含义。", 10),
             ("世界上只有10种人：懂二进制的和不懂的。", 10),
             ("喵喵~你的麦麦被猫娘入侵了喵~", 15),
@@ -167,6 +183,16 @@ MaiMbot-Pro-Max(第三方修改版)
             if self.hippocampus_manager:
                 self.hippocampus_manager.initialize()
                 logger.info("记忆系统初始化成功")
+                
+                # 初始化异步记忆管理器
+                try:
+                    from src.chat.memory_system.async_memory_optimizer import async_memory_manager
+                    await async_memory_manager.initialize()
+                    logger.info("记忆管理器初始化成功")
+                except ImportError:
+                    logger.warning("异步记忆优化方法不可用，将回退使用同步模式")
+                except Exception as e:
+                    logger.error(f"记忆管理器初始化失败: {e}")
         else:
             logger.info("记忆系统已禁用，跳过初始化")
 
@@ -223,8 +249,50 @@ MaiMbot-Pro-Max(第三方修改版)
         """记忆构建任务"""
         while True:
             await asyncio.sleep(global_config.memory.memory_build_interval)
-            logger.info("正在进行记忆构建")
-            await self.hippocampus_manager.build_memory()  # type: ignore
+            
+            try:
+                # 使用异步记忆管理器进行非阻塞记忆构建
+                from src.chat.memory_system.async_memory_optimizer import build_memory_nonblocking
+                
+                logger.info("正在启动记忆构建")
+                
+                # 定义构建完成的回调函数
+                def build_completed(result):
+                    if result:
+                        logger.info("记忆构建完成")
+                    else:
+                        logger.warning("记忆构建失败")
+                
+                # 启动异步构建，不等待完成
+                task_id = await build_memory_nonblocking()
+                logger.info(f"记忆构建任务已提交：{task_id}")
+                
+            except ImportError:
+                # 如果异步优化器不可用，使用原有的同步方式（但在单独的线程中运行）
+                logger.warning("记忆优化器不可用，使用线性运行执行记忆构建")
+                
+                def sync_build_memory():
+                    """在线程池中执行同步记忆构建"""
+                    try:
+                        loop = asyncio.new_event_loop()
+                        asyncio.set_event_loop(loop)
+                        result = loop.run_until_complete(self.hippocampus_manager.build_memory())
+                        logger.info("记忆构建完成")
+                        return result
+                    except Exception as e:
+                        logger.error(f"记忆构建失败: {e}")
+                        return None
+                    finally:
+                        loop.close()
+                
+                # 在线程池中执行记忆构建
+                asyncio.get_event_loop().run_in_executor(None, sync_build_memory)
+                
+            except Exception as e:
+                logger.error(f"记忆构建任务启动失败: {e}")
+                # fallback到原有的同步方式
+                logger.info("正在进行记忆构建（同步模式）")
+                await self.hippocampus_manager.build_memory()  # type: ignore
 
     async def forget_memory_task(self):
         """记忆遗忘任务"""
diff --git a/src/plugins/built_in/core_actions/no_reply.py b/src/plugins/built_in/core_actions/no_reply.py
index b9e634253..331ef10a2 100644
--- a/src/plugins/built_in/core_actions/no_reply.py
+++ b/src/plugins/built_in/core_actions/no_reply.py
@@ -14,9 +14,9 @@ logger = get_logger("no_reply_action")
 class NoReplyAction(BaseAction):
     """不回复动作，支持waiting和breaking两种形式."""
 
-    focus_activation_type = ActionActivationType.NEVER
-    normal_activation_type = ActionActivationType.NEVER
-    mode_enable = ChatMode.FOCUS
+    focus_activation_type = ActionActivationType.ALWAYS  # 修复：在focus模式下应该始终可用
+    normal_activation_type = ActionActivationType.ALWAYS  # 修复：在normal模式下应该始终可用
+    mode_enable = ChatMode.FOCUS | ChatMode.NORMAL  # 修复：在所有模式下都可用
     parallel_action = False
 
     # 动作基本信息
diff --git a/src/plugins/built_in/core_actions/reply.py b/src/plugins/built_in/core_actions/reply.py
new file mode 100644
index 000000000..124d00c01
--- /dev/null
+++ b/src/plugins/built_in/core_actions/reply.py
@@ -0,0 +1,79 @@
+from typing import Tuple
+
+# 导入新插件系统
+from src.plugin_system import BaseAction, ActionActivationType, ChatMode
+
+# 导入依赖的系统组件
+from src.common.logger import get_logger
+from src.plugin_system.apis import generator_api
+
+
+logger = get_logger("reply_action")
+
+
+class ReplyAction(BaseAction):
+    """基本回复动作:确保系统始终有一个可用的回退动作!!!"""
+
+    focus_activation_type = ActionActivationType.ALWAYS
+    normal_activation_type = ActionActivationType.ALWAYS
+    mode_enable = ChatMode.FOCUS | ChatMode.NORMAL
+    parallel_action = False
+
+    # 动作基本信息
+    action_name = "reply"
+    action_description = "进行基本回复"
+
+    # 动作参数定义
+    action_parameters = {}
+
+    # 动作使用场景
+    action_require = [""]
+
+    # 关联类型
+    associated_types = []
+
+    async def execute(self) -> Tuple[bool, str]:
+        """执行回复动作"""
+        try:
+            reason = self.action_data.get("reason", "")
+            
+            logger.info(f"{self.log_prefix} 执行基本回复动作，原因: {reason}")
+
+            # 获取当前消息和上下文
+            if not self.chat_stream or not self.chat_stream.get_latest_message():
+                logger.warning(f"{self.log_prefix} 没有可回复的消息")
+                return False, ""
+
+            latest_message = self.chat_stream.get_latest_message()
+            
+            # 使用生成器API生成回复
+            success, reply_set, _ = await generator_api.generate_reply(
+                target_message=latest_message.processed_plain_text,
+                chat_stream=self.chat_stream,
+                reasoning=reason,
+                action_message={}
+            )
+            
+            if success and reply_set:
+                # 提取回复文本
+                reply_text = ""
+                for message_type, content in reply_set:
+                    if message_type == "text":
+                        reply_text += content
+                        break
+                
+                if reply_text:
+                    logger.info(f"{self.log_prefix} 回复生成成功: {reply_text[:50]}...")
+                    return True, reply_text
+                else:
+                    logger.warning(f"{self.log_prefix} 生成的回复为空")
+                    return False, ""
+            else:
+                logger.warning(f"{self.log_prefix} 回复生成失败")
+                return False, ""
+
+        except Exception as e:
+            logger.error(f"{self.log_prefix} 执行回复动作时发生异常: {e}")
+            import traceback
+            traceback.print_exc()
+            return False, ""