From f2a17cbe78da4f48813c6128df197bcb7ab59ccf Mon Sep 17 00:00:00 2001
From: layhuts <layhuts@163.com>
Date: Sat, 9 May 2026 13:10:41 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=A4=84=E7=90=86getViewedKeys()?=
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---
 packages/effects/plugins/src/vxe-table/api.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/effects/plugins/src/vxe-table/api.ts b/packages/effects/plugins/src/vxe-table/api.ts
index 9a52e9697..779a5964b 100644
--- a/packages/effects/plugins/src/vxe-table/api.ts
+++ b/packages/effects/plugins/src/vxe-table/api.ts
@@ -85,7 +85,8 @@ export class VxeGridApi<
    * 获取所有已读的 key 集合
    */
   getViewedKeys(): Set<number | string> {
-    return this.viewedRowHelper?.viewedSet.value ?? new Set();
+    const raw = this.viewedRowHelper?.viewedSet.value;
+    return raw ? new Set(raw) : new Set();
   }
 
   /**