From 7a07b703d11afb832daa4bd2b87bf5cab3c61e04 Mon Sep 17 00:00:00 2001
From: vben <anncwb@126.com>
Date: Mon, 4 Jan 2021 21:01:19 +0800
Subject: [PATCH] fix(table): table memory overflow

---
 src/components/Table/src/hooks/useColumns.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/components/Table/src/hooks/useColumns.ts b/src/components/Table/src/hooks/useColumns.ts
index 2ee95d8a..00b36dfc 100644
--- a/src/components/Table/src/hooks/useColumns.ts
+++ b/src/components/Table/src/hooks/useColumns.ts
@@ -131,7 +131,8 @@ export function useColumns(
   const getViewColumns = computed(() => {
     const viewColumns = sortFixedColumn(unref(getColumnsRef));
 
-    viewColumns.forEach((column) => {
+    const columns = cloneDeep(viewColumns);
+    columns.forEach((column) => {
       const { slots, dataIndex, customRender, format, edit, editRow, flag } = column;
 
       if (!slots || !slots?.title) {
-- 
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