Any site has to have its own特色. I mean, what does it use to attract people. If the focus isn't clear and distinctive, the consequences are easy to imagine. But some sites have lots of content categories, cover a wide range of knowledge, and are still run very well. Why is that? I think there are two possibilities: one is to start with one key focus, then gradually add more. The other is to do everything at once. But that consumes a lot of manpower and isn't easy to do well.
So, judging from the current situation, the best thing is to focus mainly on DOS and build some distinctive features around it.
