custom TTF displays wrong in Harmony OS

[iwae]

Cocos Creator version

3.8.6

System information

MAC

Issue description

the custom TTF displays with a black outline while no outline set.

Relevant error log output

No response

Steps to reproduce

use custom ttf

pack harmony os SDK13, and bold/other font style and shadow not work

Minimal reproduction project

No response

[star-e]

milestone is set to 387 temporarily. It might be delayed later.