Merge pull request 'fix : 上传文件表格滚动时, 表头固定' (#544) from dd into master

Reviewed-on: http://git.feashow.cn/clay/mosr-web/pulls/544

src/views/project-management/implementation/attachment.vue

@@ -18,7 +18,7 @@
     </el-form-item>
   </el-form>
   <el-card style="width: 100%">
-    <fvTable style="width: 100%;max-height: 250px" v-if="showTable" :tableConfig="tableConfig"
+    <fvTable style="width: 100%;max-height: 250px" v-if="showTable" height="250"  :tableConfig="tableConfig"
              :data="otherFileList" :isSettingCol="false" :pagination="false">
       <template #empty>
         <el-empty :image-size="90" description="暂无数据" style="padding: 0"/>
@@ -83,7 +83,6 @@ const tableConfig = reactive({
       label: '序号',
       align: 'center',
       width: '80',
-      fixed:true
     },
     {
       prop: 'originalFileName',