From 042294f73a3b3f5be829f29b74bb6c569dfe1200 Mon Sep 17 00:00:00 2001
From: mobai <154321856@qq.com>
Date: Tue, 9 Apr 2024 17:53:59 +0800
Subject: [PATCH] fix(components): [table] fix grouping head when dynamic
 column (#16424)

---
 .../components/table/src/table-column/index.ts     | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/packages/components/table/src/table-column/index.ts b/packages/components/table/src/table-column/index.ts
index 3dba4dbfe5b9ee..23d1ed0a61cfa0 100644
--- a/packages/components/table/src/table-column/index.ts
+++ b/packages/components/table/src/table-column/index.ts
@@ -151,12 +151,14 @@ export default defineComponent({
         )
     })
     onBeforeUnmount(() => {
-      owner.value.store.commit(
-        'removeColumn',
-        columnConfig.value,
-        isSubColumn.value ? parent.columnConfig.value : null,
-        updateColumnOrder
-      )
+      const columnIndex = columnConfig.value.getColumnIndex()
+      columnIndex > -1 &&
+        owner.value.store.commit(
+          'removeColumn',
+          columnConfig.value,
+          isSubColumn.value ? parent.columnConfig.value : null,
+          updateColumnOrder
+        )
     })
     instance.columnId = columnId.value