Bug: A TypeError occurred while writing a test demo #4596

Describe the bug

Recently, I found an TypeError during creating a test demo to develop RectNode

Your Example Website or App

http://127.0.0.1:8080/?name=bugReproduceDemo (local)

Steps to Reproduce the Bug or Issue

1. run npm run dev
2. select bugReproduceDemo
3. open console
4. you will see this bug

Expected behavior

A circle node appears in canvas

Screenshots or Videos

<img width="1507" alt="image" src="https://github.com/antvis/G6/assets/55946653/8257663d-c445-48ff-97e4-250feccbde0a">

Platform

• OS: [e.g. macOS, Windows, Linux]
• Browser: [e.g. Chrome, Safari, Firefox]
• Version: [e.g. 91.1]

Additional context

I will fix this bug in two days