Well, it depends. 48 yuan is almost a big sum of money in the R class. If you plan to have a good game or play this game, it is necessary for your friends who want to play for a long time to buy one. After buying the growth fund, you can speed up the promotion of the strength level in the game.
If you just want to experience the game and don't plan to play it for a long time, it is not recommended to buy it, because playing it for a long time will only help the game update in the future.