How to organize blog file to subdirectories

[yuemeng200]

the slug can't include /

[satnaing]

Yes, slug cannot include / as it will create another route segment.
Are you trying to achieve something like this example.com/blog/category/post-title?

[yuemeng200]

Yes, slug cannot include / as it will create another route segment. Are you trying to achieve something like this example.com/blog/category/post-title?

Yep