Why don't you do your maintenance right?

Why don't you do maintenance on your site on a regular basis?
For example, social games are maintained by suspending the use of the game for a few hours on the day of weekly updates.
maintenance.
Since you don't do that, you can only add new features and make minor modifications, can't you?
The SeaArt site has too many problems just for normal use.
Why don't you discuss such matters once? And then make it easier to use.
I hope you will fix the various problems well.