两个按钮流间距，改变按钮样式

src/views/Regulation/RegulationLab/index.vue

@@ -7,8 +7,8 @@
         <TableAction :actions="getTableAction(record)" :dropDownActions="getDropDownAction(record)" />
       </template>
       <template #tableTitle>
-        <a-button type="primary" preIcon="ant-design:plus-outlined" @click="handleAdd" v-if="isShowByRoles('manageOrg')">新增政策法规</a-button>
-        <a-button type="primary" preIcon="ant-design:download-outlined" @click="handleBatchdownload"> 批量导出</a-button>
+        <el-button type="primary" round @click="handleAdd" v-if="isShowByRoles('manageOrg')">新增政策法规</el-button>
+        <el-button type="primary" round @click="handleBatchdownload"> 批量导出</el-button>
 
       </template>
     </BasicTable>