<view class="prompt-box" hidden="{{isHidden}}">
  <view class="prompt-content">
    <view class="prompt-title">{{title}}</view>
    <input class="prompt-input" type="text" bindinput="_input" value="{{cost}}" />
    <view class="prompt-btn-group">
      <button hover-class='none' class="btn-item prompt-cancel-btn" bind:tap="_cancel">{{btn_cancel}}</button>
      <button hover-class='none' class="btn-item prompt-certain-btn" bind:tap="_confirm">{{btn_certain}}</button>
    </view>
  </view>
</view>