From 40d08f73bb118a5c0c5992ae269270e8d9d705b6 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Mon, 25 Oct 2021 16:40:08 +0800
Subject: [PATCH] fix: tree fieldNames for key error, close #4790

---
 components/tree/index.en-US.md | 2 +-
 components/tree/index.zh-CN.md | 2 +-
 components/vc-tree/Tree.tsx    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/components/tree/index.en-US.md b/components/tree/index.en-US.md
index 221fc376f..e3be9b5f4 100644
--- a/components/tree/index.en-US.md
+++ b/components/tree/index.en-US.md
@@ -18,7 +18,7 @@ Almost anything can be represented in a tree structure. Examples include directo
 | Property | Description | Type | Default | Version |
 | --- | --- | --- | --- | --- |
 | treeData | treeNode of tree, please use `treeNodes` before v1.1.4 | [TreeNode[]](#TreeNode) | - |  |
-| replaceFields | Replace the title,key and children fields in treeNode with the corresponding fields in treeData | object | { children:'children', title:'title', key:'key' } |  |
+| fieldNames | Replace the title,key and children fields in treeNode with the corresponding fields in treeData | object | { children:'children', title:'title', key:'key' } | 3.0.0 |
 | autoExpandParent | Whether to automatically expand a parent treeNode | boolean | true |  |
 | blockNode | Whether treeNode fill remaining horizontal space | boolean | false |  |
 | checkable | Adds a `Checkbox` before the treeNodes | boolean | false |  |
diff --git a/components/tree/index.zh-CN.md b/components/tree/index.zh-CN.md
index 733ec6d8b..58c7f9ac5 100644
--- a/components/tree/index.zh-CN.md
+++ b/components/tree/index.zh-CN.md
@@ -20,7 +20,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/Xh-oWqg9k/Tree.svg
 | --- | --- | --- | --- | --- | --- |
 | blockNode | 是否节点占据一行 | boolean | false |  |
 | treeData | treeNodes 数据，如果设置则不需要手动构造 TreeNode 节点（key 在整个树范围内唯一） | [TreeNode[]](#TreeNode) | -- |  |
-| replaceFields | 替换 treeNode 中 title,key,children 字段为 treeData 中对应的字段 | object | {children:'children', title:'title', key:'key' } |  |
+| fieldNames | 替换 treeNode 中 title,key,children 字段为 treeData 中对应的字段 | object | {children:'children', title:'title', key:'key' } | 3.0.0 |
 | autoExpandParent | 是否自动展开父节点 | boolean | true |  |
 | checkable | 节点前添加 Checkbox 复选框 | boolean | false |  |
 | checkedKeys(v-model) | （受控）选中复选框的树节点（注意：父子节点有关联，如果传入父节点 key，则子节点自动选中；相应当子节点 key 都传入，父节点也自动选中。当设置`checkable`和`checkStrictly`，它是一个有`checked`和`halfChecked`属性的对象，并且父子节点的选中与否不再关联 | string\[] \| number\[] \| {checked: string\[] \| number\[], halfChecked: string\[] \| number\[]} | \[] |  |
diff --git a/components/vc-tree/Tree.tsx b/components/vc-tree/Tree.tsx
index b246dea7c..476801ba6 100644
--- a/components/vc-tree/Tree.tsx
+++ b/components/vc-tree/Tree.tsx
@@ -595,7 +595,7 @@ export default defineComponent({
 
     const onNodeCheck = (e: MouseEvent, treeNode: EventDataNode, checked: boolean) => {
       const { checkStrictly, onCheck } = props;
-      const { key } = treeNode;
+      const key = treeNode[fieldNames.value.key];
 
       // Prepare trigger arguments
       let checkedObj;