diff --git a/bot.py b/bot.py
index 612e0a17..9be6c7c8 100644
--- a/bot.py
+++ b/bot.py
@@ -56,6 +56,7 @@ def run_runner_process():
     # 设置环境变量，标记子进程为 Worker 进程
     env = os.environ.copy()
     env["MAIBOT_WORKER_PROCESS"] = "1"
+    env["MAIBOT_RUNNER_PID"] = str(os.getpid())  # 传递 Runner PID 供 Worker 监控
 
     while True:
         logger.info(f"正在启动 {script_file}...")
@@ -175,6 +176,60 @@ def easter_egg():
     print(rainbow_text)
 
 
+def _start_parent_monitor():
+    """启动父进程存活监控守护线程，检测到 Runner 终止后触发优雅退出"""
+    import ctypes
+    import signal
+    import threading
+
+    try:
+        runner_pid = int(os.environ.get("MAIBOT_RUNNER_PID", "0"))
+    except (ValueError, TypeError):
+        return
+    if not runner_pid:
+        return
+
+    def is_alive_unix(pid):
+        return os.getppid() == pid
+
+    def trigger_exit():
+        # Logger 容错：解释器关闭阶段 Logger 可能已被销毁
+        try:
+            get_logger("main").warning("检测到 Runner 进程已终止，正在触发优雅退出...")
+        except Exception:
+            print("[ParentMonitor] 检测到 Runner 进程已终止，正在触发优雅退出...")
+        signal.raise_signal(signal.SIGINT)  # 触发 KeyboardInterrupt，走正常关闭流程
+
+    def monitor():
+        if platform.system() == "Windows":
+            # Windows: 循环外获取句柄，循环内只检查退出码，减少系统调用
+            PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
+            STILL_ACTIVE = 259
+            kernel32 = ctypes.windll.kernel32
+            handle = kernel32.OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, False, runner_pid)
+            if not handle:
+                # 进程已不存在或无权限访问，直接触发退出
+                return trigger_exit()
+            try:
+                exit_code = ctypes.c_ulong()
+                while True:
+                    if not kernel32.GetExitCodeProcess(handle, ctypes.byref(exit_code)):
+                        break  # API 调用失败，假定进程已退出
+                    if exit_code.value != STILL_ACTIVE:
+                        break  # 进程已退出
+                    time.sleep(2)
+            finally:
+                kernel32.CloseHandle(handle)
+        else:
+            # Unix: 检测 ppid 是否变化
+            while is_alive_unix(runner_pid):
+                time.sleep(2)
+
+        trigger_exit()
+
+    threading.Thread(target=monitor, daemon=True, name="ParentMonitor").start()
+
+
 async def graceful_shutdown():  # sourcery skip: use-named-expression
     try:
         logger.info("正在优雅关闭麦麦...")
@@ -322,6 +377,9 @@ def raw_main():
 if __name__ == "__main__":
     exit_code = 0  # 用于记录程序最终的退出状态
     try:
+        # 启动父进程存活监控（Runner 异常退出时自动触发优雅关闭）
+        _start_parent_monitor()
+
         # 获取MainSystem实例
         main_system = raw_main()