If you want to raise it, you must first cultivate a sense of closeness with it, that is, build its trust in you. You can feed it delicious food in the same place many times a day. It will think you are harmless, so it will trust you more.
Secondly, if you give him something delicious, it may not feel delicious. Try another cat food or canned fish.
And maybe you can change a cat toy, Doby, to let it know that you are playing with it. Cat toys like the above can be bought at will on the Internet.
how long?