2, spend money to find a guitar teacher to teach you one-on-one, usually only a few hundred pieces.
3. There are guitarists around to consult.
4. Recite the music. When you know the rhythm, speed, position and notes of a melody, you should put the music aside as soon as possible. You should try to remember everything on the score, turn it into a melody and engrave it in your mind. As long as you think of this melody in the future, you can pop it up.
5. Spend a lot of time practicing