<navigator url="/pages/search/index">

<view>

      <image class="add_icon" src="/images/search_active.png"></image>

</view>

</navigator>

  .add_icon{

    height: 70rpx;

    width: 70rpx;

    position: fixed;

    bottom: 120rpx;

    right: 13rpx;

    opacity: 0.7

  }