syntax on not work in vim9

[genuiner]

Hi, I has just used hybrid in my vim9, it seemed to be working, but all colors in py or go file disappeared..., i put syntax on in command line or in .vimrc file, but all of the did not work.
where was the wrong with my setting.
centos8, vim9 compiled from source code.

[genuiner]

forgot one thing, i use securcrt to login linux, terminal is: Linux, ANSI color sheme