diff --git a/custom_components/xiaomi_home/humidifier.py b/custom_components/xiaomi_home/humidifier.py
index 1bcd5c8..ef9cc23 100644
--- a/custom_components/xiaomi_home/humidifier.py
+++ b/custom_components/xiaomi_home/humidifier.py
@@ -52,23 +52,22 @@ from typing import Any, Optional
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
-from homeassistant.components.humidifier import (
-    HumidifierEntity,
-    HumidifierDeviceClass,
-    HumidifierEntityFeature
-)
+from homeassistant.components.humidifier import (HumidifierEntity,
+                                                 HumidifierDeviceClass,
+                                                 HumidifierEntityFeature,
+                                                 HumidifierAction)
 
 from .miot.miot_spec import MIoTSpecProperty
-from .miot.miot_device import MIoTDevice, MIoTEntityData,  MIoTServiceEntity
+from .miot.miot_device import MIoTDevice, MIoTEntityData, MIoTServiceEntity
 from .miot.const import DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
 
 
 async def async_setup_entry(
-        hass: HomeAssistant,
-        config_entry: ConfigEntry,
-        async_add_entities: AddEntitiesCallback,
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up a config entry."""
     device_list: list[MIoTDevice] = hass.data[DOMAIN]['devices'][
@@ -82,8 +81,8 @@ async def async_setup_entry(
                 Humidifier(miot_device=miot_device, entity_data=data))
         for data in miot_device.entity_list.get('dehumidifier', []):
             data.device_class = HumidifierDeviceClass.DEHUMIDIFIER
-            new_entities.append(Humidifier(
-                miot_device=miot_device, entity_data=data))
+            new_entities.append(
+                Humidifier(miot_device=miot_device, entity_data=data))
 
     if new_entities:
         async_add_entities(new_entities)
@@ -99,9 +98,8 @@ class Humidifier(MIoTServiceEntity, HumidifierEntity):
 
     _mode_map: dict[Any, Any]
 
-    def __init__(
-        self, miot_device: MIoTDevice,  entity_data: MIoTEntityData
-    ) -> None:
+    def __init__(self, miot_device: MIoTDevice,
+                 entity_data: MIoTEntityData) -> None:
         """Initialize the Humidifier."""
         super().__init__(miot_device=miot_device, entity_data=entity_data)
         self._attr_device_class = entity_data.device_class
@@ -130,12 +128,10 @@ class Humidifier(MIoTServiceEntity, HumidifierEntity):
             # mode
             elif prop.name == 'mode':
                 if not prop.value_list:
-                    _LOGGER.error(
-                        'mode value_list is None, %s', self.entity_id)
+                    _LOGGER.error('mode value_list is None, %s', self.entity_id)
                     continue
                 self._mode_map = prop.value_list.to_map()
-                self._attr_available_modes = list(
-                    self._mode_map.values())
+                self._attr_available_modes = list(self._mode_map.values())
                 self._attr_supported_features |= HumidifierEntityFeature.MODES
                 self._prop_mode = prop
             # relative-humidity
@@ -152,33 +148,45 @@ class Humidifier(MIoTServiceEntity, HumidifierEntity):
 
     async def async_set_humidity(self, humidity: int) -> None:
         """Set new target humidity."""
-        await self.set_property_async(
-            prop=self._prop_target_humidity, value=humidity)
+        if self._prop_target_humidity is None:
+            return
+        await self.set_property_async(prop=self._prop_target_humidity,
+                                      value=humidity)
 
     async def async_set_mode(self, mode: str) -> None:
         """Set new target preset mode."""
-        await self.set_property_async(
-            prop=self._prop_mode,
-            value=self.get_map_key(map_=self._mode_map, value=mode))
+        await self.set_property_async(prop=self._prop_mode,
+                                      value=self.get_map_key(
+                                          map_=self._mode_map, value=mode))
 
     @property
     def is_on(self) -> Optional[bool]:
         """Return if the humidifier is on."""
         return self.get_prop_value(prop=self._prop_on)
 
+    @property
+    def action(self) -> Optional[HumidifierAction]:
+        """Return the current status of the device."""
+        if not self.is_on:
+            return HumidifierAction.OFF
+        if self._attr_device_class == HumidifierDeviceClass.HUMIDIFIER:
+            return HumidifierAction.HUMIDIFYING
+        return HumidifierAction.DRYING
+
     @property
     def current_humidity(self) -> Optional[int]:
         """Return the current humidity."""
-        return self.get_prop_value(prop=self._prop_humidity)
+        return (self.get_prop_value(
+            prop=self._prop_humidity) if self._prop_humidity else None)
 
     @property
     def target_humidity(self) -> Optional[int]:
         """Return the target humidity."""
-        return self.get_prop_value(prop=self._prop_target_humidity)
+        return (self.get_prop_value(prop=self._prop_target_humidity)
+                if self._prop_target_humidity else None)
 
     @property
     def mode(self) -> Optional[str]:
         """Return the current preset mode."""
-        return self.get_map_value(
-            map_=self._mode_map,
-            key=self.get_prop_value(prop=self._prop_mode))
+        return self.get_map_value(map_=self._mode_map,
+                                  key=self.get_prop_value(prop=self._prop_mode))