Can't download the .CSV History Graph data from Local Server?

@Dmitriy
@Pavel
Local server on Raspberry pi 3B and API work but Admin Page is not secure.
every thing is working but my server said not secure so how can i solve it?

If this is what you are refering to, this is normal.

@Gunner
i added crt files and API is working why server is not secure?

Self generated?

tested with 2 option

  1. cerbot file (automatically)
    2.manually with cmd command