diff --git a/custom_components/xiaomi_home/miot/miot_device.py b/custom_components/xiaomi_home/miot/miot_device.py
index a585800..011676c 100644
--- a/custom_components/xiaomi_home/miot/miot_device.py
+++ b/custom_components/xiaomi_home/miot/miot_device.py
@@ -436,7 +436,8 @@ class MIoTDevice:
             optional_properties: dict
             required_actions: set
             optional_actions: set
-            # 2. The service shall have all required properties, actions.
+            # 2. The required service shall have all required properties
+            # and actions.
             if service.name in required_services:
                 required_properties = SPEC_DEVICE_TRANS_MAP[spec_name][
                     'required'].get(
@@ -454,6 +455,23 @@ class MIoTDevice:
                     'required'].get(
                         service.name, {}
                 ).get('optional', {}).get('actions', set({}))
+                if not {
+                    prop.name for prop in service.properties if prop.access
+                }.issuperset(set(required_properties.keys())):
+                    return None
+                if not {
+                    action.name for action in service.actions
+                }.issuperset(required_actions):
+                    return None
+                # 3. The required property in required service shall have all
+                # required access mode.
+                for prop in service.properties:
+                    if prop.name in required_properties:
+                        if not set(prop.access).issuperset(
+                                required_properties[prop.name]):
+                            return None
+            # 4. The optional service shall have all required properties
+            # and actions.
             elif service.name in optional_services:
                 required_properties = SPEC_DEVICE_TRANS_MAP[spec_name][
                     'optional'].get(
@@ -471,22 +489,23 @@ class MIoTDevice:
                     'optional'].get(
                     service.name, {}
                 ).get('optional', {}).get('actions', set({}))
+                if not {
+                    prop.name for prop in service.properties if prop.access
+                }.issuperset(set(required_properties.keys())):
+                    continue
+                if not {
+                    action.name for action in service.actions
+                }.issuperset(required_actions):
+                    continue
+                # 5. The required property in optional service shall have all
+                # required access mode.
+                for prop in service.properties:
+                    if prop.name in required_properties:
+                        if not set(prop.access).issuperset(
+                                required_properties[prop.name]):
+                            continue
             else:
                 continue
-            if not {
-                prop.name for prop in service.properties if prop.access
-            }.issuperset(set(required_properties.keys())):
-                return None
-            if not {
-                action.name for action in service.actions
-            }.issuperset(required_actions):
-                return None
-            # 3. The required property shall have all required access mode.
-            for prop in service.properties:
-                if prop.name in required_properties:
-                    if not set(prop.access).issuperset(
-                            required_properties[prop.name]):
-                        return None
             # property
             for prop in service.properties:
                 if prop.name in set.union(
diff --git a/custom_components/xiaomi_home/miot/specs/specv2entity.py b/custom_components/xiaomi_home/miot/specs/specv2entity.py
index c824ecd..adb96cf 100644
--- a/custom_components/xiaomi_home/miot/specs/specv2entity.py
+++ b/custom_components/xiaomi_home/miot/specs/specv2entity.py
@@ -331,6 +331,7 @@ SPEC_DEVICE_TRANS_MAP: dict = {
                     'actions': {'play'}
                 },
                 'optional': {
+                    'properties': {'play-loop-mode'},
                     'actions': {'pause', 'stop', 'next', 'previous'}
                 }
             }
@@ -362,9 +363,49 @@ SPEC_DEVICE_TRANS_MAP: dict = {
         },
         'optional': {
             'play-control': {
-                'required': {},
+                'required': {
+                    'properties': {
+                        'playing-state': {'read'}
+                    }
+                },
                 'optional': {
-                    'properties': {'playing-state'},
+                    'properties': {'play-loop-mode'},
+                    'actions': {'play', 'pause', 'stop', 'next', 'previous'}
+                }
+            }
+        },
+        'entity': 'television'
+    },
+    'tv-box':{
+        'required': {
+            'speaker': {
+                'required': {
+                    'properties': {
+                        'volume': {'read', 'write'}
+                    }
+                },
+                'optional': {
+                    'properties': {'mute'}
+                }
+            },
+            'tv-box': {
+                'required': {
+                    'actions': {'turn-off'}
+                },
+                'optional': {
+                    'actions': {'turn-on'}
+                }
+            }
+        },
+        'optional': {
+            'play-control': {
+                'required': {
+                    'properties': {
+                        'playing-state': {'read'}
+                    }
+                },
+                'optional': {
+                    'properties': {'play-loop-mode'},
                     'actions': {'play', 'pause', 'stop', 'next', 'previous'}
                 }
             }