vue+element-ui 表格中图片缩略图悬浮显示

<el-table-column prop="filepath" label="缩略图" v-if="show_filepath">
   <template slot-scope="scope">
         <el-popover placement="right" title="" trigger="hover">
           <img :src="scope.row.filepath"  style="height: 500px;width: 500px"/>
           <img slot="reference" :src="scope.row.filepath" :alt="scope.row.filepath" style="height: 50px;width: 150px">
          </el-popover>
   </template>
 </el-table-column>