The difference between chocolate and Vanilla patch is mainly manifested in the game data and game experience.

1. Chocolate patch is a beautification patch, which can change the appearance, clothing and accessories of the characters in the game and make the characters in the game more attractive. This patch usually does not change the game plot and character settings, but only changes the appearance and image of the characters in the game.

2. Vanilla patch is an enhancement patch, which can enhance the sound effect, picture effect and game experience of the game without changing the game plot and character setting. For example, it can improve the fluency and picture quality of the game, increase the depth and details of game audio, and provide a richer game experience. This kind of patch usually enhances the overall expressive force and attraction of the game and improves the player's game experience.