At this time i will share a file in here, and solution about server Forbidden from termux May be fixed, because official termux github about fix about problem very useless. i don't want need help to useless people response and i will find my solution to fixed this issue
1. First , use nano if you have or no haven't download file nano
2. Second, find folder /data/data/com.termux/files/usr/apt - filename : sources.list and replace link with my file
3. Three, find folder /data/data/com.termux/files/usr/apt/sources.list.d - filename : science.list & game.list and replace link with my file