Update catalog_main.htm

src/admin/templets/catalog_main.htm

@@ -171,6 +171,7 @@
 					<span style="float:right;padding-right:10px" class="py-3">
 						<a href="catalog_add.php?listtype=all" class="btn btn-success btn-sm">增加顶级栏目</a>
 						<a href="catalog_add.php?dopost=quick" class="btn btn-success btn-sm">批量增加栏目</a>
+						<a href="catalog_do.php?dopost=upcatcache" class="btn btn-success btn-sm">更新栏目缓存</a>
 					</span>
 				</td>
 			</tr>