Tuya-mqtt not work

[daniele_guidi]

Nothing not work, when i turn on or turn off the switch of the thing, true or false appears in mqtt explorer, but the lamp does not turn on, this is my thing code:

UID: mqtt:topic:87204f0158:d4f254e3c5
label: Chiara
thingTypeUID: mqtt:topic
configuration: {}
bridgeUID: mqtt:broker:87204f0158
channels:
  - id: Chonoff
    channelTypeUID: mqtt:switch
    label: On-Off
    description: ""
    configuration:
      commandTopic: tuya/luce_casa_chiara/command
      stateTopic: tuya/luce_casa_chiara/state
      off: "false"
      on: "true"
``