uni-file-picker.vue组件中图片不显示，使用schema2code生成的代码.

[fangq-firewall]

<unicloud-db ref="udb" :collection="collectionList" field="username,avatar" :where="where" page-data="replace"
        :orderby="orderby" :getcount="true" :page-size="options.pageSize" :page-current="options.pageCurrent"
        v-slot:default="{data,pagination,loading,error,options}" :options="options" loadtime="manual" @load="onqueryload">
        <uni-table ref="table" :loading="loading" :emptyText="error.message || '没有更多数据'" border stripe type="selection" @selection-change="selectionChange">
          <uni-tr>
            <uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'username')" sortable @sort-change="sortChange($event, 'username')">姓名</uni-th>
            <uni-th align="center" sortable @sort-change="sortChange($event, 'avatar')">头像</uni-th>
            <uni-th align="center">操作</uni-th>
          </uni-tr>
          <uni-tr v-for="(item,index) in data" :key="index">
            <uni-td align="center">{{item.username}}</uni-td>
            <uni-td align="center">
              <uni-file-picker v-if="item.avatar && item.avatar.fileType == 'image'" :value="item.avatar" :file-mediatype="item.avatar && item.avatar.fileType" return-type="object" :imageStyles="imageStyles" readonly></uni-file-picker>
              <uni-link v-else :href="item.avatar && item.avatar.url" :text="item.avatar && item.avatar.url"></uni-link>
            </uni-td>
            <uni-td align="center">
              <view class="uni-group">
                <button @click="navigateTo('./edit?id='+item._id, false)" class="uni-button" size="mini" type="primary">修改</button>
                <button @click="confirmDelete(item._id)" class="uni-button" size="mini" type="warn">删除</button>
              </view>
            </uni-td>
          </uni-tr>
        </uni-table>
        <view class="uni-pagination-box">
          <uni-pagination show-icon :page-size="pagination.size" v-model="pagination.current" :total="pagination.count" @change="onPageChanged" />
        </view>
     </unicloud-db>

:value="item.avatar"传给组件uni-file-picker的值，在uni-file-picker.vue组件中watch监听value和modelValue都是immediate: true。导致连续处理了两次。导致setValue方法处理this.files的数据时，后面的把前面的覆盖了图片无法显示。

[fangq-firewall]