diff --git a/custom_components/xiaomi_home/cover.py b/custom_components/xiaomi_home/cover.py
index f2ebaeb..6dbdaf4 100644
--- a/custom_components/xiaomi_home/cover.py
+++ b/custom_components/xiaomi_home/cover.py
@@ -60,16 +60,16 @@ from homeassistant.components.cover import (
 )
 
 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'][
@@ -82,6 +82,10 @@ async def async_setup_entry(
                 data.spec.device_class = CoverDeviceClass.CURTAIN
             elif data.spec.name == 'window-opener':
                 data.spec.device_class = CoverDeviceClass.WINDOW
+            elif data.spec.name == 'motor-controller':
+                data.spec.device_class = CoverDeviceClass.SHUTTER
+            elif data.spec.name == 'airer':
+                data.spec.device_class = CoverDeviceClass.BLIND
             new_entities.append(
                 Cover(miot_device=miot_device, entity_data=data))
 
@@ -100,6 +104,7 @@ class Cover(MIoTServiceEntity, CoverEntity):
     _prop_status_opening: Optional[int]
     _prop_status_closing: Optional[int]
     _prop_status_stop: Optional[int]
+    _prop_status_closed: Optional[int]
     _prop_current_position: Optional[MIoTSpecProperty]
     _prop_target_position: Optional[MIoTSpecProperty]
     _prop_position_value_min: Optional[int]
@@ -123,6 +128,7 @@ class Cover(MIoTServiceEntity, CoverEntity):
         self._prop_status_opening = None
         self._prop_status_closing = None
         self._prop_status_stop = None
+        self._prop_status_closed = None
         self._prop_current_position = None
         self._prop_target_position = None
         self._prop_position_value_min = None
@@ -137,15 +143,15 @@ class Cover(MIoTServiceEntity, CoverEntity):
                         'motor-control value_list is None, %s', self.entity_id)
                     continue
                 for item in prop.value_list.items:
-                    if item.name in {'open'}:
+                    if item.name in {'open', 'up'}:
                         self._attr_supported_features |= (
                             CoverEntityFeature.OPEN)
                         self._prop_motor_value_open = item.value
-                    elif item.name in {'close'}:
+                    elif item.name in {'close', 'down'}:
                         self._attr_supported_features |= (
                             CoverEntityFeature.CLOSE)
                         self._prop_motor_value_close = item.value
-                    elif item.name in {'pause'}:
+                    elif item.name in {'pause', 'stop'}:
                         self._attr_supported_features |= (
                             CoverEntityFeature.STOP)
                         self._prop_motor_value_pause = item.value
@@ -156,12 +162,14 @@ class Cover(MIoTServiceEntity, CoverEntity):
                         'status value_list is None, %s', self.entity_id)
                     continue
                 for item in prop.value_list.items:
-                    if item.name in {'opening', 'open'}:
+                    if item.name in {'opening', 'open', 'up'}:
                         self._prop_status_opening = item.value
-                    elif item.name in {'closing', 'close'}:
+                    elif item.name in {'closing', 'close', 'down'}:
                         self._prop_status_closing = item.value
                     elif item.name in {'stop', 'pause'}:
                         self._prop_status_stop = item.value
+                    elif item.name in {'closed'}:
+                        self._prop_status_closed = item.value
                 self._prop_status = prop
             elif prop.name == 'current-position':
                 self._prop_current_position = prop
@@ -209,28 +217,56 @@ class Cover(MIoTServiceEntity, CoverEntity):
 
         0: the cover is closed, 100: the cover is fully opened, None: unknown.
         """
+        if self._prop_current_position is None:
+            # Assume that the current position is the same as the target
+            # position when the current position is not defined in the device's
+            # MIoT-Spec-V2.
+            return None if (self._prop_target_position
+                            is None) else self.get_prop_value(
+                                prop=self._prop_target_position)
         pos = self.get_prop_value(prop=self._prop_current_position)
-        if pos is None:
+        if pos is None or self._prop_position_value_range is None:
             return None
         return round(pos*100/self._prop_position_value_range)
 
     @property
     def is_opening(self) -> Optional[bool]:
         """Return if the cover is opening."""
-        if self._prop_status is None:
-            return None
-        return self.get_prop_value(
-            prop=self._prop_status) == self._prop_status_opening
+        if self._prop_status and self._prop_status_opening is not None:
+            return self.get_prop_value(
+                prop=self._prop_status) == self._prop_status_opening
+        # The status is prior to the numerical relationship of the current
+        # position and the target position when determining whether the cover
+        # is opening.
+        if (self._prop_target_position and
+                self.current_cover_position is not None):
+            return (self.current_cover_position
+                    < self.get_prop_value(prop=self._prop_target_position))
+        return None
 
     @property
     def is_closing(self) -> Optional[bool]:
         """Return if the cover is closing."""
-        if self._prop_status is None:
-            return None
-        return self.get_prop_value(
-            prop=self._prop_status) == self._prop_status_closing
+        if self._prop_status and self._prop_status_closing is not None:
+            return self.get_prop_value(
+                prop=self._prop_status) == self._prop_status_closing
+        # The status is prior to the numerical relationship of the current
+        # position and the target position when determining whether the cover
+        # is closing.
+        if (self._prop_target_position and
+                self.current_cover_position is not None):
+            return (self.current_cover_position
+                    > self.get_prop_value(prop=self._prop_target_position))
+        return None
 
     @property
     def is_closed(self) -> Optional[bool]:
         """Return if the cover is closed."""
-        return self.get_prop_value(prop=self._prop_current_position) == 0
+        if self.current_cover_position is not None:
+            return self.current_cover_position == 0
+        # The current position is prior to the status when determining
+        # whether the cover is closed.
+        if self._prop_status and self._prop_status_closed is not None:
+            return (self.get_prop_value(
+                prop=self._prop_status) == self._prop_status_closed)
+        return None
diff --git a/custom_components/xiaomi_home/miot/specs/specv2entity.py b/custom_components/xiaomi_home/miot/specs/specv2entity.py
index 0061f79..444ae0e 100644
--- a/custom_components/xiaomi_home/miot/specs/specv2entity.py
+++ b/custom_components/xiaomi_home/miot/specs/specv2entity.py
@@ -324,7 +324,9 @@ SPEC_SERVICE_TRANS_MAP: dict = {
         },
         'entity': 'cover'
     },
-    'window-opener': 'curtain'
+    'window-opener': 'curtain',
+    'motor-controller': 'curtain',
+    'airer': 'curtain'
 }
 
 """SPEC_PROP_TRANS_MAP