更换平台图片

src/components/main-views/ViewHome.vue

      <div class="wrapper-right content-wrapper about-us">
        <div class="content-title">
          <span>关于我们</span>
          <router-link class="content-more" to="/aboutUs">更多</router-link>
          <router-link class="content-more" to="/about">更多</router-link>
        </div>
        <div class="content">{{aboutUs}}</div>
      </div>