//- 服务器反馈UI
if flash
  .message-container
    - index = 0
    if flash.error
      each item in flash.error
        - index++
        .message.is-danger(id="message"+index)
          .message-header
            p 错误
            button.delete(aria-label='delete' data-target="message"+index)
          .message-body
            | #{item}
    if flash.success
      each item in flash.success
        - index++
        .message.is-success(id="message"+index)
          .message-header
            p 成功
            button.delete(aria-label='delete' data-target="message"+index)
          .message-body
            | #{item}
    if flash.info
      each item in flash.info
        - index++
        .message.is-info(id="message"+index)
          .message-header
            p 信息
            button.delete(aria-label='delete' data-target="message"+index)
          .message-body
            | #{item}
    if flash.warning
      each item in flash.warning
        - index++
        .message.is-warning(id="message"+index)
          .message-header
            p 警告
            button.delete(aria-label='delete' data-target="message"+index)
          .message-body
            | #{item}
    //- .toast-container.top-0.end-0.p-3
    //-   each item in flash.error
    //-     .toast.show(role='alert', aria-live='assertive', aria-atomic='true')
    //-       .toast-header
    //-         img.rounded.me-2(src='/public/image/icons/error.svg', alt='错误' style="width:20px;height: 20px;")
    //-         strong.me-auto 提示
    //-         //- small.text-muted just now
    //-         button.btn-close(type='button', data-bs-dismiss='toast', aria-label='Close')
    //-       .toast-body.
    //-         #{item}
    //- .toast-container.position-fixed.bottom-0.end-0.p-3
    //-   #liveToast.toast(role='alert', aria-live='assertive', aria-atomic='true')
    //-     .toast-header
    //-       img.rounded.me-2(src='...', alt='...')
    //-       strong.me-auto Bootstrap
    //-       small 11 mins ago
    //-       button.btn-close(type='button', data-bs-dismiss='toast', aria-label='Close')
    //-     .toast-body.
    //-       Hello, world! This is a toast message.
    //-     ul
    //-       each item in flash.error
    //-         li #{item}