🐛 [BUG]官网示例有性能问题

[Gavinchen92]

🐛 Bug description [Please make everyone to understand it]

Please provide a link by forking these links G2Plot or GitHub repo, a minimal reproduction.

https://g2plot.antv.antgroup.com/examples/case/statistical-scenario/#trend:

📷 Step to reproduce

网页放置一段时间后CPU占用会一直上升，最多到250%(macbook M1 pro)

🏞 Expected result

CPU占用正常

🚑 Any additional [like screenshots]

• G2Plot Version:
• Platform: mac