Problem with 2 xiaomi aquara gateway

Hi All

I hawe two Xiaomi aqara GW

configuration: 
xiaomi_aqara:
  discovery_retry: 5
  gateways:
    - mac: 7811xxxxxxx
      key: xxxxxxxxxxx
    - mac: 7811yyyyyyy
      key: yyyyyyyyyy
i try to use as doorbell:
alias: Ringing
trigger:
  platform: event
  event_type: click
  event_data:
    entity_id: binary_sensor.switch_15zzzzzzzzzzzzzz
    click_type: single
action:
 - service: notify.gmail
   data:
     message: 'Ringing  {{now().strftime("%Y-%m-%d %H:%M:%S")}}'
 - service: xiaomi_aqara.play_ringtone
   data:
    gw_mac: 7811xxxxxxxxx
    ringtone_id: 10
    ringtone_vol: 100
 - delay:.
    milliseconds: 100
 - service: xiaomi_aqara.play_ringtone
   data:
    gw_mac: 7811yyyyyyyyy
    ringtone_id: 10
    ringtone_vol: 100
OR:
alias: Ringing
trigger:
  platform: event
  event_type: click
  event_data:
    entity_id: binary_sensor.switch_15zzzzzzzzzzzzzz
    click_type: single
action:
 - service: notify.gmail
   data:
     message: 'Ringing  {{now().strftime("%Y-%m-%d %H:%M:%S")}}'
 - service: xiaomi_aqara.play_ringtone
   data:
    gw_mac: 7811xxxxxxxxx
    gw_mac: 7811yyyyyyyyy
    ringtone_id: 10
    ringtone_vol: 100
Only one gw ringing. why?

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