From bde57724b7145caab09f4d69189832eed4f8e981 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Sat, 4 Dec 2021 09:21:05 +0800
Subject: [PATCH] fix: collapse activeKey deepWatch #4969

---
 components/collapse/Collapse.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/collapse/Collapse.tsx b/components/collapse/Collapse.tsx
index 67085e061..f9ddedc88 100644
--- a/components/collapse/Collapse.tsx
+++ b/components/collapse/Collapse.tsx
@@ -52,6 +52,7 @@ export default defineComponent({
       () => {
         stateActiveKey.value = getActiveKeysArray(props.activeKey);
       },
+      { deep: true },
     );
     const { prefixCls, direction } = useConfigInject('collapse', props);
     const iconPosition = computed(() => {