<view>
  <t-button style="margin-bottom:10px" size="small" bindtap="signName">点击签字</t-button>
  <t-upload
    wx:if="{{originFiles.length > 0}}"
    mediaType="{{['video','image']}}"
    max="{{originFiles.length}}"
    files="{{originFiles}}"
    bind:add="handleAdd"
    bind:remove="deleteFile"
  />
</view>
