Version

5.3.0

Link to Minimal Reproduction

no

Steps to Reproduce

just open

https://echarts.apache.org/examples/en/editor.html?c=bar-rich-text&version=5.5.0

Current Behavior

it shows null

Expected Behavior

i don;t know why..

Environment

- OS: window 10
- Browser: micro edge
- Framework:

Any additional comments?

no