Automation repeat count times of media play dosen't work

Hi there I am kinda new to HA. I triggered an action of play music on sonos or HA cloud sentence and want it to repeat several times (an alert). However the count won’t work,just played once and stopped. Is it because of delay or something?

I am using the visual editor and the below is yaml.

alias: webhook1
description: ""
trigger:
  - platform: webhook
    allowed_methods:
      - POST
      - PUT
    local_only: false
    webhook_id: ***
condition: []
action:
  - service: media_player.play_media
    target:
      entity_id: media_player.yu_shi
    data:
      media_content_id: FV:2/7
      media_content_type: favorite_item_id
    metadata:
      title: a music
      thumbnail: http://y.gtimg.cn/music/photo_new/T002R500x500M000001DQJ5G0ErywD_2.jpg
      media_class: track
      children_media_class: null
      navigateIds:
        - {}
        - media_content_type: favorites
          media_content_id: ""
        - media_content_type: favorites_folder
          media_content_id: object.item.audioItem.musicTrack
    enabled: false
  - service: media_player.play_media
    target:
      entity_id: media_player.wo_shi
    data:
      media_content_id: >-
        media-source://tts/cloud?message=Hello+admin%2C+you+can+play+any+text+on+any+supported+media+player%21&language=zh-CN&voice=XiaoxiaoNeural
      media_content_type: provider
    metadata:
      title: Hello admin, you can play any text on any supported media player!
      thumbnail: https://brands.home-assistant.io/_/cloud/logo.png
      media_class: app
      children_media_class: null
      navigateIds:
        - {}
        - media_content_type: app
          media_content_id: media-source://tts
        - media_content_type: provider
          media_content_id: >-
            media-source://tts/cloud?message=Hello+admin%2C+you+can+play+any+text+on+any+supported+media+player%21&language=zh-CN&voice=XiaoxiaoNeural
    enabled: false
  - service: media_player.play_media
    target:
      entity_id: media_player.wo_shi
    data:
      media_content_id: >-
        media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB&language=zh-CN&voice=XiaochenNeural
      media_content_type: provider
    metadata:
      title: 请立即驶离
      thumbnail: https://brands.home-assistant.io/_/cloud/logo.png
      media_class: app
      children_media_class: null
      navigateIds:
        - {}
        - media_content_type: app
          media_content_id: media-source://tts
        - media_content_type: provider
          media_content_id: >-
            media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB&language=zh-CN&voice=XiaochenNeural
    enabled: false
  - repeat:
      count: 2
      sequence:
        - service: media_player.play_media
          target:
            entity_id: media_player.wo_shi
          data:
            media_content_id: >-
              media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A&language=zh-CN&voice=XiaohanNeural
            media_content_type: provider
          metadata:
            title: |
              请立即驶离,请立即驶离,请立即驶离!
              请立即驶离,请立即驶离,请立即驶离!
              请立即驶离,请立即驶离,请立即驶离!请立即驶离,请立即驶离,请立即驶离!
            thumbnail: https://brands.home-assistant.io/_/cloud/logo.png
            media_class: app
            children_media_class: null
            navigateIds:
              - {}
              - media_content_type: app
                media_content_id: media-source://tts
              - media_content_type: provider
                media_content_id: >-
                  media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A&language=zh-CN&voice=XiaohanNeural
          enabled: true
        - service: media_player.play_media
          target:
            entity_id: media_player.yu_shi
          data:
            media_content_id: >-
              media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A&language=zh-CN&voice=XiaohanNeural
            media_content_type: provider
          metadata:
            title: |
              请立即驶离,请立即驶离,请立即驶离!
              请立即驶离,请立即驶离,请立即驶离!
              请立即驶离,请立即驶离,请立即驶离!请立即驶离,请立即驶离,请立即驶离!
            thumbnail: https://brands.home-assistant.io/_/cloud/logo.png
            media_class: app
            children_media_class: null
            navigateIds:
              - {}
              - media_content_type: app
                media_content_id: media-source://tts
              - media_content_type: provider
                media_content_id: >-
                  media-source://tts/cloud?message=%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%8C%E8%AF%B7%E7%AB%8B%E5%8D%B3%E9%A9%B6%E7%A6%BB%EF%BC%81%0A&language=zh-CN&voice=XiaohanNeural
          enabled: true
        - service: media_player.play_media
          target:
            entity_id: media_player.wo_shi
          data:
            media_content_id: >-
              media-source://media_source/local/Alarm-Fast-High-Pitch-B1-www.fesliyanstudios.com-www.fesliyanstudios.com.mp3
            media_content_type: audio/mpeg
          metadata:
            title: >-
              Alarm-Fast-High-Pitch-B1-www.fesliyanstudios.com-www.fesliyanstudios.com.mp3
            thumbnail: null
            media_class: music
            children_media_class: null
            navigateIds:
              - {}
              - media_content_type: app
                media_content_id: media-source://media_source
          enabled: false
  - service: media_player.play_media
    target:
      entity_id: media_player.wo_shi
    data:
      media_content_id: >-
        media-source://media_source/local/Alarm-Fast-High-Pitch-B1-www.fesliyanstudios.com-www.fesliyanstudios.com.mp3
      media_content_type: audio/mpeg
    metadata:
      title: >-
        Alarm-Fast-High-Pitch-B1-www.fesliyanstudios.com-www.fesliyanstudios.com.mp3
      thumbnail: null
      media_class: music
      children_media_class: null
      navigateIds:
        - {}
        - media_content_type: app
          media_content_id: media-source://media_source
    enabled: false
mode: single