Hello, could you or somoone could let your code to show preview under edit mode?

[16TWQ]

I use default theme on my obsidian. I cannot see preview through your code. This is what I see in the preview under edit mode

This is the edit mode when I click the code block

This is the reading mode

The code I tried were

red 紅色 
red 紅色 
red 紅色

and

pink 粉紅色 
pink 粉紅色 
pink 粉紅色

Can someone tell me how to make preview mode same as reading mode?