diff --git a/custom_components/xiaomi_miot/core/device_customizes.py b/custom_components/xiaomi_miot/core/device_customizes.py
index ff90a5843..70453b3a7 100644
--- a/custom_components/xiaomi_miot/core/device_customizes.py
+++ b/custom_components/xiaomi_miot/core/device_customizes.py
@@ -444,6 +444,20 @@
         'main_miot_services': 'switch-2',
         'exclude_miot_services': 'setting,wireless_switch',
     },
+    'cykj.hood.jyj22': {
+        'sensor_properties': 'left_stove_level,right_stove_level,left_stove_timer,right_stove_timer,timer_mode',
+        'switch_properties': 'prop.2.9,hood_stove_switch,timer_alert_switch,low_power_alert,pose_recog_switch,'
+                             'start_period_notify,pm_fresh_notify,auto_lighton_start,clean_notify,pm_notify_on',
+        'select_properties': 'clean_period',
+        'number_properties': 'prop.2.5,off_delay_time,start_period_set,pm_thresold,pm_fresh_time,pm_fresh_valueset,'
+                             'turn_off_screen',
+    },
+    'cykj.hood.jyj22:battery': {
+        'state_class': '',
+    },
+    'cykj.hood.jyj22:battery_level': {
+        'state_class': '',
+    },
 
     'deerma.humidifier.jsq4': {
         'exclude_miot_services': None,
diff --git a/custom_components/xiaomi_miot/sensor.py b/custom_components/xiaomi_miot/sensor.py
index de66fdd32..c9892602f 100644
--- a/custom_components/xiaomi_miot/sensor.py
+++ b/custom_components/xiaomi_miot/sensor.py
@@ -218,6 +218,8 @@ async def async_added_to_hass(self):
         cls = self.custom_config('state_class')
         if cls in STATE_CLASSES:
             self._attr_state_class = cls
+        elif cls in ['', False]:
+            self._attr_state_class = None
 
         if uom := self.custom_config('unit_of_measurement'):
             self._attr_native_unit_of_measurement = uom
@@ -465,6 +467,8 @@ async def async_added_to_hass(self):
         cls = self.custom_config('state_class')
         if cls in STATE_CLASSES:
             self._attr_state_class = cls
+        elif cls in ['', False]:
+            self._attr_state_class = None
 
         if uom := self.custom_config('unit_of_measurement'):
             self._attr_native_unit_of_measurement = uom