name: zm1_b0f89311bda8_hcho
unique_id: zm1_b0f89311bda8_hcho
state_topic: device/zm1/b0f89311bda8/sensor
device_class: volatile_organic_compounds
unit_of_measurement: μg/m³
icon: mdi:chemical-weapon
value_template: '{{ float(value_json.formaldehyde) * 1000}}'
错误:The unit of measurement μg/m³ is not valid together with device class volatile_organic_compounds。
确保配置正确并重新加载手动配置的 MQTT 项目,或者重新启动 Home Assistant 解决此问题。