Version

5.3.2

Link to Minimal Reproduction

https://codepen.io/lixm9881/pen/vYwgREo

Steps to Reproduce

图例的数据包含html标签时，鼠标移至图例上内容被解析成html，如截图所示：

Current Behavior

图例数据被解析成html

Expected Behavior

期望可正常展示图例数据，不被解析

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

附已被关闭的issue链接：#19988