From 278478b5b0a7700d03023a11abe850f961cdee6c Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Tue, 12 Apr 2022 09:37:40 +0800
Subject: [PATCH] fix: tree data deep reactive, close #5480

---
 components/vc-tree-select/hooks/useTreeData.ts | 2 +-
 components/vc-tree/Tree.tsx                    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/vc-tree-select/hooks/useTreeData.ts b/components/vc-tree-select/hooks/useTreeData.ts
index d3ddccb5b..e2d1796b3 100644
--- a/components/vc-tree-select/hooks/useTreeData.ts
+++ b/components/vc-tree-select/hooks/useTreeData.ts
@@ -63,7 +63,7 @@ export default function useTreeData(
               rootPId: null,
               ...(simpleModeValue !== true ? simpleModeValue : {}),
             })
-          : toRaw(treeData.value);
+          : toRaw(treeData.value).slice();
       } else {
         mergedTreeData.value = convertChildrenToData(toRaw(children.value));
       }
diff --git a/components/vc-tree/Tree.tsx b/components/vc-tree/Tree.tsx
index 46b58d6da..78b0fde95 100644
--- a/components/vc-tree/Tree.tsx
+++ b/components/vc-tree/Tree.tsx
@@ -109,7 +109,7 @@ export default defineComponent({
       () => {
         treeData.value =
           props.treeData !== undefined
-            ? toRaw(props.treeData)
+            ? toRaw(props.treeData).slice()
             : convertTreeToData(toRaw(props.children));
       },
       { immediate: true, deep: true },