修复飞牛nas关机后重启home assistant后，飞牛nas开机后部分实体显示不可用的问题

去除ssh连接数限制和缓存清理时间

custom_components/fn_nas/__init__.py

@@ -1,62 +1,89 @@
 import logging
+import asyncio
+import asyncssh
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
-from .const import DOMAIN, DATA_UPDATE_COORDINATOR, PLATFORMS, CONF_ENABLE_DOCKER  # 导入新增常量
+from homeassistant.helpers import config_validation as cv
+
+from .const import (
+    DOMAIN, DATA_UPDATE_COORDINATOR, PLATFORMS, CONF_ENABLE_DOCKER, 
+    CONF_HOST, DEFAULT_PORT
+)
 from .coordinator import FlynasCoordinator, UPSDataUpdateCoordinator
 
 _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     config = {**entry.data, **entry.options}
-    
+    coordinator = FlynasCoordinator(hass, config, entry)
-    coordinator = FlynasCoordinator(hass, config)
+    # 直接初始化，不阻塞等待NAS上线
-    await coordinator.async_config_entry_first_refresh()
-
-    _LOGGER.debug("协调器类型: %s", type(coordinator).__name__)
-    _LOGGER.debug("协调器是否有control_vm方法: %s", hasattr(coordinator, 'control_vm'))
-    _LOGGER.debug("协调器是否有vm_manager属性: %s", hasattr(coordinator, 'vm_manager'))
-    
-    # 检查是否启用Docker，并初始化Docker管理器（如果有）
-    enable_docker = config.get(CONF_ENABLE_DOCKER, False)
-    if enable_docker:
-        # 导入Docker管理器并初始化
-        from .docker_manager import DockerManager
-        coordinator.docker_manager = DockerManager(coordinator)
-        _LOGGER.debug("已启用Docker容器监控")
-    else:
-        coordinator.docker_manager = None
-        _LOGGER.debug("未启用Docker容器监控")
-    
-    ups_coordinator = UPSDataUpdateCoordinator(hass, config, coordinator)
-    await ups_coordinator.async_config_entry_first_refresh()
-    
     hass.data.setdefault(DOMAIN, {})
     hass.data[DOMAIN][entry.entry_id] = {
         DATA_UPDATE_COORDINATOR: coordinator,
-        "ups_coordinator": ups_coordinator,
+        "ups_coordinator": None,
-        CONF_ENABLE_DOCKER: enable_docker  # 存储启用状态
+        CONF_ENABLE_DOCKER: coordinator.config.get(CONF_ENABLE_DOCKER, False)
     }
-
+    # 异步后台初始化
-    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+    hass.async_create_task(async_delayed_setup(hass, entry, coordinator))
-    entry.async_on_unload(entry.add_update_listener(async_update_entry))
     return True
 
+async def async_delayed_setup(hass: HomeAssistant, entry: ConfigEntry, coordinator: FlynasCoordinator):
+    try:
+        # 不阻塞等待NAS上线，直接尝试刷新数据
+        await coordinator.async_config_entry_first_refresh()
+        enable_docker = coordinator.config.get(CONF_ENABLE_DOCKER, False)
+        if enable_docker:
+            from .docker_manager import DockerManager
+            coordinator.docker_manager = DockerManager(coordinator)
+            _LOGGER.debug("已启用Docker容器监控")
+        else:
+            coordinator.docker_manager = None
+            _LOGGER.debug("未启用Docker容器监控")
+        ups_coordinator = UPSDataUpdateCoordinator(hass, coordinator.config, coordinator)
+        await ups_coordinator.async_config_entry_first_refresh()
+        hass.data[DOMAIN][entry.entry_id]["ups_coordinator"] = ups_coordinator
+        await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
+        entry.async_on_unload(entry.add_update_listener(async_update_entry))
+        _LOGGER.info("飞牛NAS集成初始化完成")
+    except Exception as e:
+        _LOGGER.error("飞牛NAS集成初始化失败: %s", str(e))
+        await coordinator.async_disconnect()
+        if hasattr(coordinator, '_ping_task') and coordinator._ping_task:
+            coordinator._ping_task.cancel()
+
 async def async_update_entry(hass: HomeAssistant, entry: ConfigEntry):
-    await hass.config_entries.async_reload(entry.entry_id)
+    """更新配置项"""
+    # 卸载现有集成
+    await async_unload_entry(hass, entry)
+    # 重新加载集成
+    await async_setup_entry(hass, entry)
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
-    unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+    """卸载集成"""
+    # 获取集成数据
+    domain_data = hass.data.get(DOMAIN, {}).get(entry.entry_id, {})
+    unload_ok = True
     
-    if unload_ok:
+    if DATA_UPDATE_COORDINATOR in domain_data:
-        domain_data = hass.data[DOMAIN][entry.entry_id]
         coordinator = domain_data[DATA_UPDATE_COORDINATOR]
-        ups_coordinator = domain_data["ups_coordinator"]
+        ups_coordinator = domain_data.get("ups_coordinator")
         
-        # 关闭主协调器的SSH连接
+        # 卸载平台
-        await coordinator.async_disconnect()
+        unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
-        # 关闭UPS协调器
+        
-        await ups_coordinator.async_shutdown()
+        if unload_ok:
+            # 关闭主协调器的SSH连接
+            await coordinator.async_disconnect()
+            
+            # 关闭UPS协调器（如果存在）
+            if ups_coordinator:
+                await ups_coordinator.async_shutdown()
+            
+            # 取消监控任务（如果存在）
+            if hasattr(coordinator, '_ping_task') and coordinator._ping_task and not coordinator._ping_task.done():
+                coordinator._ping_task.cancel()
+                
+            # 从DOMAIN中移除该entry的数据
+            hass.data[DOMAIN].pop(entry.entry_id, None)
     
-        # 从DOMAIN中移除该entry的数据
-        hass.data[DOMAIN].pop(entry.entry_id)
     return unload_ok

custom_components/fn_nas/config_flow.py

@@ -18,11 +18,7 @@ from .const import (
     CONF_UPS_SCAN_INTERVAL, 
     DEFAULT_UPS_SCAN_INTERVAL,
     CONF_ROOT_PASSWORD,
-    CONF_ENABLE_DOCKER,
+    CONF_ENABLE_DOCKER
-    CONF_MAX_CONNECTIONS,
-    DEFAULT_MAX_CONNECTIONS,
-    CONF_CACHE_TIMEOUT,
-    DEFAULT_CACHE_TIMEOUT
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -75,17 +71,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
                 default=DEFAULT_SCAN_INTERVAL
             ): int,
             # 添加启用Docker的选项
-            vol.Optional(CONF_ENABLE_DOCKER, default=False): bool,
+            vol.Optional(CONF_ENABLE_DOCKER, default=False): bool
-            # 新增：最大连接数
-            vol.Optional(
-                CONF_MAX_CONNECTIONS, 
-                default=DEFAULT_MAX_CONNECTIONS
-            ): int,
-            # 新增：缓存超时时间（分钟）
-            vol.Optional(
-                CONF_CACHE_TIMEOUT, 
-                default=DEFAULT_CACHE_TIMEOUT
-            ): int
         })
         
         return self.async_show_form(
@@ -118,9 +104,6 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
                 self.ssh_config[CONF_MAC] = selected_mac
                 # 确保将CONF_ENABLE_DOCKER也存入配置项
                 self.ssh_config[CONF_ENABLE_DOCKER] = enable_docker
-                # 添加连接池和缓存配置
-                self.ssh_config[CONF_MAX_CONNECTIONS] = self.ssh_config.get(CONF_MAX_CONNECTIONS, DEFAULT_MAX_CONNECTIONS)
-                self.ssh_config[CONF_CACHE_TIMEOUT] = self.ssh_config.get(CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT)
                 return self.async_create_entry(
                     title=self.ssh_config[CONF_HOST],
                     data=self.ssh_config
@@ -237,17 +220,7 @@ class OptionsFlowHandler(config_entries.OptionsFlow):
             vol.Optional(
                 CONF_ENABLE_DOCKER,
                 default=data.get(CONF_ENABLE_DOCKER, False)
-            ): bool,
+            ): bool
-            # 新增：最大连接数
-            vol.Optional(
-                CONF_MAX_CONNECTIONS,
-                default=data.get(CONF_MAX_CONNECTIONS, DEFAULT_MAX_CONNECTIONS)
-            ): int,
-            # 新增：缓存超时时间（分钟）
-            vol.Optional(
-                CONF_CACHE_TIMEOUT,
-                default=data.get(CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT)
-            ): int
         })
         
         return self.async_show_form(

custom_components/fn_nas/const.py

@@ -53,9 +53,3 @@ ICON_RESTART = "mdi:restart"
 DEVICE_ID_NAS = "flynas_nas_system"
 DEVICE_ID_UPS = "flynas_ups"
 CONF_NETWORK_MACS = "network_macs"
-
-# 新增配置常量
-CONF_MAX_CONNECTIONS = "max_connections"
-CONF_CACHE_TIMEOUT = "cache_timeout"
-DEFAULT_MAX_CONNECTIONS = 3
-DEFAULT_CACHE_TIMEOUT = 30  # 单位：分钟

custom_components/fn_nas/coordinator.py

@@ -1,8 +1,6 @@
 import logging
-import re
-import asyncssh
 import asyncio
-import time
+import asyncssh
 from datetime import timedelta
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
@@ -11,8 +9,7 @@ from .const import (
     DOMAIN, CONF_HOST, CONF_PORT, CONF_USERNAME, CONF_PASSWORD,
     CONF_IGNORE_DISKS, CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL,
     DEFAULT_PORT, CONF_MAC, CONF_UPS_SCAN_INTERVAL, DEFAULT_UPS_SCAN_INTERVAL,
-    CONF_ROOT_PASSWORD, CONF_ENABLE_DOCKER, CONF_MAX_CONNECTIONS, DEFAULT_MAX_CONNECTIONS,
+    CONF_ROOT_PASSWORD, CONF_ENABLE_DOCKER
-    CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT
 )
 from .disk_manager import DiskManager
 from .system_manager import SystemManager
@@ -23,8 +20,10 @@ from .docker_manager import DockerManager
 _LOGGER = logging.getLogger(__name__)
 
 class FlynasCoordinator(DataUpdateCoordinator):
-    def __init__(self, hass: HomeAssistant, config) -> None:
+    def __init__(self, hass: HomeAssistant, config, config_entry) -> None:
         self.config = config
+        self.config_entry = config_entry
+        self.hass = hass
         self.host = config[CONF_HOST]
         self.port = config.get(CONF_PORT, DEFAULT_PORT)
         self.username = config[CONF_USERNAME]
@@ -32,13 +31,12 @@ class FlynasCoordinator(DataUpdateCoordinator):
         self.root_password = config.get(CONF_ROOT_PASSWORD)
         self.mac = config.get(CONF_MAC, "")
         self.enable_docker = config.get(CONF_ENABLE_DOCKER, False)
-        self.max_connections = config.get(CONF_MAX_CONNECTIONS, DEFAULT_MAX_CONNECTIONS)
-        self.cache_timeout = config.get(CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT) * 60
         self.docker_manager = DockerManager(self) if self.enable_docker else None
-        self.ssh_pool = []  # SSH连接池
+        self.ssh = None
-        self.active_commands = 0  # 当前活动命令数
+        self.ssh_closed = True
-        self.ssh_closed = True  # 初始状态为关闭
+        self.ups_manager = UPSManager(self)
-        self.use_sudo = False  # 初始化use_sudo属性
+        self.vm_manager = VMManager(self)
+        self.use_sudo = False
         
         self.data = {
             "disks": [],
@@ -64,225 +62,259 @@ class FlynasCoordinator(DataUpdateCoordinator):
         
         self.disk_manager = DiskManager(self)
         self.system_manager = SystemManager(self)
-        self.ups_manager = UPSManager(self) 
+        self._system_online = False
-        self.vm_manager = VMManager(self)
+        self._ping_task = None
+        self._retry_interval = 30  # 系统离线时的检测间隔（秒）
     
-    async def get_ssh_connection(self):
+    async def async_connect(self):
-        """从连接池获取或创建SSH连接"""
+        if self.ssh is None or self.ssh_closed:
-        # 避免递归调用，改为循环等待
-        start_time = time.time()
-        while True:
-            # 如果连接池中有可用连接且没有超过最大活动命令数
-            while len(self.ssh_pool) > 0 and self.active_commands < self.max_connections:
-                conn = self.ssh_pool.pop()
-                if await self.is_connection_alive(conn):
-                    self.active_commands += 1
-                    return conn
-                else:
-                    await self.close_connection(conn)
-            
-            # 如果没有可用连接，创建新连接
-            if self.active_commands < self.max_connections:
-                try:
-                    conn = await asyncssh.connect(
-                        self.host,
-                        port=self.port,
-                        username=self.username,
-                        password=self.password,
-                        known_hosts=None,
-                        connect_timeout=10
-                    )
-                    self.active_commands += 1
-                    self.ssh_closed = False
-                    
-                    # 确定是否需要sudo权限
-                    await self.determine_sudo_setting(conn)
-                    
-                    return conn
-                except Exception as e:
-                    _LOGGER.error("创建SSH连接失败: %s", str(e), exc_info=True)
-                    raise UpdateFailed(f"SSH连接失败: {str(e)}")
-            
-            # 等待0.1秒后重试，避免递归
-            await asyncio.sleep(0.1)
-            
-            # 设置超时（30秒）
-            if time.time() - start_time > 30:
-                raise UpdateFailed("获取SSH连接超时")
-
-    async def determine_sudo_setting(self, conn):
-        """确定是否需要使用sudo权限"""
-        try:
-            # 检查当前用户是否是root
-            result = await conn.run("id -u", timeout=5)
-            if result.stdout.strip() == "0":
-                _LOGGER.debug("当前用户是root，不需要sudo")
-                self.use_sudo = False
-                return
-        except Exception as e:
-            _LOGGER.warning("检查用户ID失败: %s", str(e))
-        
-        # 检查是否可以使用密码sudo
-        try:
-            result = await conn.run(
-                f"echo '{self.password}' | sudo -S whoami",
-                input=self.password + "\n",
-                timeout=10
-            )
-            if "root" in result.stdout:
-                _LOGGER.info("可以使用用户密码sudo")
-                self.use_sudo = True
-                return
-        except Exception as e:
-            _LOGGER.debug("无法使用用户密码sudo: %s", str(e))
-        
-        # 如果有root密码，尝试使用root密码sudo
-        if self.root_password:
             try:
-                result = await conn.run(
+                self.ssh = await asyncssh.connect(
-                    f"echo '{self.root_password}' | sudo -S whoami",
+                    self.host,
-                    input=self.root_password + "\n",
+                    port=self.port,
-                    timeout=10
+                    username=self.username,
+                    password=self.password,
+                    known_hosts=None,
+                    connect_timeout=5  # 缩短连接超时时间
                 )
-                if "root" in result.stdout:
+                
-                    _LOGGER.info("可以使用root密码sudo")
+                if await self.is_root_user():
-                    self.use_sudo = True
+                    _LOGGER.debug("当前用户是 root")
-                    return
+                    self.use_sudo = False
+                    self.ssh_closed = False
+                    return True
+                
+                result = await self.ssh.run(
+                    f"echo '{self.password}' | sudo -S -i",
+                    input=self.password + "\n",
+                    timeout=5
+                )
+                
+                whoami_result = await self.ssh.run("whoami")
+                if "root" in whoami_result.stdout:
+                    _LOGGER.info("成功切换到 root 会话（使用登录密码）")
+                    self.use_sudo = False
+                    self.ssh_closed = False
+                    return True
+                else:
+                    if self.root_password:
+                        result = await self.ssh.run(
+                            f"echo '{self.root_password}' | sudo -S -i",
+                            input=self.root_password + "\n",
+                            timeout=5
+                        )
+                        
+                        whoami_result = await self.ssh.run("whoami")
+                        if "root" in whoami_result.stdout:
+                            _LOGGER.info("成功切换到 root 会话（使用 root 密码）")
+                            self.use_sudo = False
+                            self.ssh_closed = False
+                            return True
+                        else:
+                            # 切换到 root 会话失败，将使用 sudo
+                            self.use_sudo = True
+                    else:
+                        # 非 root 用户且未提供 root 密码，将使用 sudo
+                        self.use_sudo = True
+                
+                self.ssh_closed = False
+                _LOGGER.info("SSH 连接已建立到 %s", self.host)
+                return True
             except Exception as e:
-                _LOGGER.debug("无法使用root密码sudo: %s", str(e))
+                self.ssh = None
+                self.ssh_closed = True
+                _LOGGER.debug("连接失败: %s", str(e))
+                return False
+        return True
     
-        _LOGGER.warning("无法获取root权限，将使用普通用户执行命令")
+    async def is_root_user(self):
-        self.use_sudo = False
-
-    async def release_ssh_connection(self, conn):
-        """释放连接回连接池"""
-        self.active_commands -= 1
-        if conn and not conn.is_closed():
-            if len(self.ssh_pool) < self.max_connections:
-                self.ssh_pool.append(conn)
-            else:
-                await self.close_connection(conn)
-        else:
-            # 如果连接已经关闭，直接丢弃
-            pass
-
-    async def close_connection(self, conn):
-        """关闭SSH连接"""
         try:
-            if conn and not conn.is_closed():
+            result = await self.ssh.run("id -u", timeout=3)
-                conn.close()
+            return result.stdout.strip() == "0"
-        except Exception as e:
+        except Exception:
-            _LOGGER.debug("关闭SSH连接时出错: %s", str(e))
+            return False
+    
+    async def async_disconnect(self):
+        if self.ssh is not None and not self.ssh_closed:
+            try:
+                self.ssh.close()
+                self.ssh_closed = True
+                _LOGGER.debug("SSH connection closed")
+            except Exception as e:
+                _LOGGER.debug("Error closing SSH connection: %s", str(e))
+            finally:
+                self.ssh = None
+    
+    async def is_ssh_connected(self) -> bool:
+        if self.ssh is None or self.ssh_closed:
+            return False
         
-    async def is_connection_alive(self, conn) -> bool:
-        """检查连接是否存活"""
         try:
-            # 发送一个简单的命令测试连接
+            test_command = "echo 'connection_test'"
-            result = await conn.run("echo 'connection_test'", timeout=2)
+            result = await self.ssh.run(test_command, timeout=2)
             return result.exit_status == 0 and "connection_test" in result.stdout
-        except (asyncssh.Error, TimeoutError, ConnectionResetError):
+        except (asyncssh.Error, TimeoutError):
+            return False
+    
+    async def ping_system(self) -> bool:
+        """轻量级系统状态检测"""
+        # 对于本地主机直接返回True
+        if self.host in ['localhost', '127.0.0.1']:
+            return True
+            
+        try:
+            # 使用异步ping检测
+            proc = await asyncio.create_subprocess_exec(
+                'ping', '-c', '1', '-W', '1', self.host,
+                stdout=asyncio.subprocess.DEVNULL,
+                stderr=asyncio.subprocess.DEVNULL
+            )
+            await proc.wait()
+            return proc.returncode == 0
+        except Exception:
             return False
     
     async def run_command(self, command: str, retries=2) -> str:
-        """使用连接池执行命令"""
+        # 系统离线时直接返回空字符串，避免抛出异常
-        conn = None
+        if not self._system_online:
-        current_retries = retries
+            return ""
             
-        while current_retries >= 0:
+        for attempt in range(retries):
             try:
-                conn = await self.get_ssh_connection()
+                if not await self.is_ssh_connected():
+                    if not await self.async_connect():
+                        if self.data and "system" in self.data:
+                            self.data["system"]["status"] = "off"
+                        return ""
                 
-                # 根据sudo设置执行命令
                 if self.use_sudo:
-                    password = self.root_password if self.root_password else self.password
+                    if self.root_password or self.password:
-                    if password:
+                        password = self.root_password if self.root_password else self.password
                         full_command = f"sudo -S {command}"
-                        result = await conn.run(full_command, input=password + "\n", check=True)
+                        result = await self.ssh.run(full_command, input=password + "\n", check=True)
                     else:
                         full_command = f"sudo {command}"
-                        result = await conn.run(full_command, check=True)
+                        result = await self.ssh.run(full_command, check=True)
                 else:
-                    result = await conn.run(command, check=True)
+                    result = await self.ssh.run(command, check=True)
                 
                 return result.stdout.strip()
+            
             except asyncssh.process.ProcessError as e:
                 if e.exit_status in [4, 32]:
                     return ""
-                _LOGGER.error("Command failed: %s (exit %d)", command, e.exit_status)
+                _LOGGER.debug("Command failed: %s (exit %d)", command, e.exit_status)
-                # 连接可能已损坏，关闭它
+                self.ssh = None
-                await self.close_connection(conn)
+                self.ssh_closed = True
-                conn = None
+                if attempt == retries - 1:
-                if current_retries > 0:
+                    return ""
-                    current_retries -= 1
+                
-                    continue
-                else:
-                    raise UpdateFailed(f"Command failed: {command}") from e
             except asyncssh.Error as e:
-                _LOGGER.error("SSH连接错误: %s", str(e))
+                _LOGGER.debug("SSH connection error: %s", str(e))
-                await self.close_connection(conn)
+                self.ssh = None
-                conn = None
+                self.ssh_closed = True
-                if current_retries > 0:
+                if attempt == retries - 1:
-                    current_retries -= 1
+                    return ""
-                    continue
+                
-                else:
-                    raise UpdateFailed(f"SSH错误: {str(e)}") from e
             except Exception as e:
-                _LOGGER.error("意外错误: %s", str(e), exc_info=True)
+                self.ssh = None
-                await self.close_connection(conn)
+                self.ssh_closed = True
-                conn = None
+                _LOGGER.debug("Unexpected error: %s", str(e))
-                if current_retries > 0:
+                if attempt == retries - 1:
-                    current_retries -= 1
+                    return ""
+        return ""
+    
+    async def get_network_macs(self):
+        try:
+            output = await self.run_command("ip link show")
+            macs = {}
+            
+            pattern = re.compile(r'^\d+: (\w+):.*\n\s+link/\w+\s+([0-9a-fA-F:]{17})', re.MULTILINE)
+            matches = pattern.findall(output)
+            
+            for interface, mac in matches:
+                if interface == "lo" or mac == "00:00:00:00:00:00":
                     continue
-                else:
+                macs[mac] = interface
-                    raise UpdateFailed(f"意外错误: {str(e)}") from e
-            finally:
-                if conn:
-                    await self.release_ssh_connection(conn)
                 
-    async def async_connect(self):
+            return macs
-        """建立SSH连接（使用连接池）"""
+        except Exception as e:
-        # 连接池已处理连接，此方法现在主要用于初始化
+            self.logger.debug("获取MAC地址失败: %s", str(e))
-        return True
+            return {}
     
-    async def is_ssh_connected(self) -> bool:
+    async def _monitor_system_status(self):
-        """检查是否有活动的SSH连接"""
+        """系统离线时轮询检测状态"""
-        return len(self.ssh_pool) > 0 or self.active_commands > 0
+        self.logger.debug("启动系统状态监控，每%d秒检测一次", self._retry_interval)
+        while True:
+            await asyncio.sleep(self._retry_interval)
             
-    async def async_disconnect(self):
+            if await self.ping_system():
-        """关闭所有SSH连接"""
+                self.logger.info("检测到系统已开机，触发重新加载")
-        # 关闭连接池中的所有连接
+                # 触发集成重新加载
-        for conn in self.ssh_pool:
+                self.hass.async_create_task(
-            await self.close_connection(conn)
+                    self.hass.config_entries.async_reload(self.config_entry.entry_id)
-        self.ssh_pool = []
+                )
-        self.active_commands = 0
+                break
-        self.ssh_closed = True
-        self.use_sudo = False  # 重置sudo设置
     
     async def _async_update_data(self):
         _LOGGER.debug("Starting data update...")
+        is_online = await self.ping_system()
+        self._system_online = is_online
+        if not is_online:
+            _LOGGER.debug("系统离线，跳过数据更新")
+            # 修复：确保 self.data 结构有效
+            if self.data is None or not isinstance(self.data, dict):
+                self.data = {}
+            if "system" not in self.data or not isinstance(self.data.get("system"), dict):
+                self.data["system"] = {}
+            self.data["system"]["status"] = "off"
+            # 启动后台监控任务（非阻塞）
+            if not self._ping_task or self._ping_task.done():
+                self._ping_task = asyncio.create_task(self._monitor_system_status())
+            await self.async_disconnect()
+            # 直接返回空数据，不阻塞
+            return {
+                "disks": [],
+                "system": {
+                    "uptime": "未知",
+                    "cpu_temperature": "未知",
+                    "motherboard_temperature": "未知",
+                    "status": "off"
+                },
+                "ups": {},
+                "vms": [],
+                "docker_containers": []
+            }
         
+        # 系统在线处理
         try:
-            if await self.is_ssh_connected():
+            # 确保SSH连接
-                status = "on"
+            if not await self.async_connect():
-            else:
+                self.data["system"]["status"] = "off"
-                if not await self.async_connect():
+                return {
-                    status = "off"
+                    "disks": [],
-                else:
+                    "system": {
-                    status = "on"
+                        "uptime": "未知",
+                        "cpu_temperature": "未知",
+                        "motherboard_temperature": "未知",
+                        "status": "off"
+                    },
+                    "ups": {},
+                    "vms": []
+                }
+                
+            status = "on"
             
-            # 使用已初始化的管理器获取数据
             disks = await self.disk_manager.get_disks_info()
             system = await self.system_manager.get_system_info()
             ups_info = await self.ups_manager.get_ups_info()
             vms = await self.vm_manager.get_vm_list()
             
-            # 获取虚拟机标题
             for vm in vms:
                 vm["title"] = await self.vm_manager.get_vm_title(vm["name"])
 
-            # 获取Docker容器信息（如果启用）
             docker_containers = []
-            if self.enable_docker and hasattr(self, 'docker_manager') and self.docker_manager:
+            if self.enable_docker:
                 docker_containers = await self.docker_manager.get_containers()
             
             data = {
@@ -299,7 +331,12 @@ class FlynasCoordinator(DataUpdateCoordinator):
             return data
         
         except Exception as e:
-            _LOGGER.error("Failed to update data: %s", str(e), exc_info=True)
+            _LOGGER.debug("数据更新失败: %s", str(e))
+            # 检查错误类型，如果是连接问题，标记为离线
+            self._system_online = False
+            if not self._ping_task or self._ping_task.done():
+                self._ping_task = asyncio.create_task(self._monitor_system_status())
+                
             return {
                 "disks": [],
                 "system": {
@@ -339,10 +376,14 @@ class UPSDataUpdateCoordinator(DataUpdateCoordinator):
         self.ups_manager = UPSManager(main_coordinator)
     
     async def _async_update_data(self):
+        # 如果主协调器检测到系统离线，跳过UPS更新
+        if not self.main_coordinator._system_online:
+            return {}
+        
         try:
             return await self.ups_manager.get_ups_info()
         except Exception as e:
-            _LOGGER.error("Failed to update UPS data: %s", str(e), exc_info=True)
+            _LOGGER.debug("UPS数据更新失败: %s", str(e))
             return {}
 
     async def control_vm(self, vm_name, action):
@@ -353,5 +394,5 @@ class UPSDataUpdateCoordinator(DataUpdateCoordinator):
             result = await self.vm_manager.control_vm(vm_name, action)
             return result
         except Exception as e:
-            _LOGGER.error("虚拟机控制失败: %s", str(e), exc_info=True)
+            _LOGGER.debug("虚拟机控制失败: %s", str(e))
             return False

custom_components/fn_nas/disk_manager.py

@@ -1,8 +1,7 @@
 import re
 import logging
 import asyncio
-import time
+from .const import CONF_IGNORE_DISKS
-from .const import CONF_IGNORE_DISKS, CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -15,9 +14,6 @@ class DiskManager:
         self.disk_full_info_cache = {}  # 缓存磁盘完整信息
         self.first_run = True  # 首次运行标志
         self.initial_detection_done = False  # 首次完整检测完成标志
-        self.cache_expiry = {}  # 缓存过期时间（时间戳）
-        # 获取缓存超时配置（分钟），转换为秒
-        self.cache_timeout = self.coordinator.config.get(CONF_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT) * 60
     
     def extract_value(self, text: str, patterns, default="未知", format_func=None):
         if not text:
@@ -42,6 +38,7 @@ class DiskManager:
     async def check_disk_active(self, device: str, window: int = 30) -> bool:
         """检查硬盘在指定时间窗口内是否有活动"""
         try:
+            # 正确的路径是 /sys/block/{device}/stat
             stat_path = f"/sys/block/{device}/stat"
             
             # 读取统计文件
@@ -94,6 +91,8 @@ class DiskManager:
             stats = stat_output.split()
             
             if len(stats) >= 11:
+                # 第9个字段是最近完成的读操作数
+                # 第10个字段是最近完成的写操作数
                 recent_reads = int(stats[8])
                 recent_writes = int(stats[9])
                 
@@ -109,14 +108,6 @@ class DiskManager:
     async def get_disks_info(self) -> list[dict]:
         disks = []
         try:
-            # 清理过期缓存
-            now = time.time()
-            for device in list(self.disk_full_info_cache.keys()):
-                if now - self.cache_expiry.get(device, 0) > self.cache_timeout:
-                    self.logger.debug(f"磁盘 {device} 的缓存已过期，清除")
-                    del self.disk_full_info_cache[device]
-                    del self.cache_expiry[device]
-            
             self.logger.debug("Fetching disk list...")
             lsblk_output = await self.coordinator.run_command("lsblk -dno NAME,TYPE")
             self.logger.debug("lsblk output: %s", lsblk_output)
@@ -157,15 +148,14 @@ class DiskManager:
                 # 检查是否有缓存的完整信息
                 cached_info = self.disk_full_info_cache.get(device, {})
                 
-                # 首次运行时强制获取完整信息
+                # 优化点：首次运行时强制获取完整信息
                 if self.first_run:
                     self.logger.debug(f"首次运行，强制获取硬盘 {device} 的完整信息")
                     try:
                         # 执行完整的信息获取
                         await self._get_full_disk_info(disk_info, device_path)
-                        # 更新缓存并设置过期时间
+                        # 更新缓存
                         self.disk_full_info_cache[device] = disk_info.copy()
-                        self.cache_expiry[device] = now
                     except Exception as e:
                         self.logger.warning(f"首次运行获取硬盘信息失败: {str(e)}", exc_info=True)
                         # 使用缓存信息（如果有）
@@ -216,9 +206,8 @@ class DiskManager:
                 try:
                     # 执行完整的信息获取
                     await self._get_full_disk_info(disk_info, device_path)
-                    # 更新缓存并设置过期时间
+                    # 更新缓存
                     self.disk_full_info_cache[device] = disk_info.copy()
-                    self.cache_expiry[device] = now
                 except Exception as e:
                     self.logger.warning(f"获取硬盘信息失败: {str(e)}", exc_info=True)
                     # 使用缓存信息（如果有）

custom_components/fn_nas/manifest.json

@@ -1,7 +1,7 @@
 {
   "domain": "fn_nas",
   "name": "飞牛NAS",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "documentation": "https://github.com/anxms/fn_nas",
   "dependencies": [],
   "codeowners": ["@anxms"],

custom_components/fn_nas/translations/zh-Hans.json

@@ -10,9 +10,7 @@
           "username": "用户名",
           "password": "密码",
           "scan_interval": "数据更新间隔(秒)",
-          "enable_docker": "启用docker控制",
+          "enable_docker": "启用docker控制"
-          "max_connections": "最大连接数",
-          "cache_timeout": "缓存过期时间"
         }
       },
       "select_mac": {