Update instance-methods.md

huangshuwei · huangshuwei · commit 985ea5cca0e5 · 2021-11-16T00:16:59.000+08:00
diff --git a/examples/src/docs/zh/ve-table/column-hidden/instance-methods.md b/examples/src/docs/zh/ve-table/column-hidden/instance-methods.md
@@ -1,6 +1,6 @@
 :::anchor 实例方法
 
-:::demo
+:::demo 1、通过实例方法 `hideColumnsByKeys(keys)`将列隐藏 <br>2、通过实例方法 `showColumnsByKeys(keys)`将隐藏的列显示
 
 ```html
 <template>
