<textarea class="textarea"
  v-model="textarea_message"
  show-confirm-bar="{{false}}"
  adjust-position="{{true}}"
  disable-default-padding="{{true}}"
  adjust-keyboard-to="bottom"
  cursor-spacing="20"
  placeholder="让我来砍砍价吧~" 
  placeholder-style="font-size: 16px; line-height: 16px;" 
  confirm-type="send"
  confirm-hold="{{true}}"
  @linechange="remarkLineAction"
  @focus="gotoLastMarkAction"
  @confirm="sendMessage"
  :auto-height="isCloseAutoHeight"
></textarea>