剛剛看到unity rich text可以控制textmesh的material所以想玩看看
但發現怎麼樣都沒用
Rich Text Quad Problem
"5 years later I'm still unable to figure out how to add the material. "
看到這篇有人這樣寫還頗無言的XD...

Settings | TextMeshPro | 4.0.0-pre.1
將材質與Font放在Resources\Fonts & Materials
就可以特別指定了