Bug Type:Component

Environment

• Vue Version: 3.2.33
• Element Plus Version: 2.1.11
• Browser / OS: 版本 99.0.4844.84（正式版本）
• Build Tool: Webpack

Reproduction

Related Component

• el-tree

Reproduction Link

Element Plus Playground

Steps to reproduce

先添加根，再从新的根上添加子，子无效果

What is Expected?

子节点应该出来

What is actually happening?

子节点未出来

Additional comments

• (empty)*