If you are playing on a Steam Deck, the game might have booted in Chinese as it is not yet natively supported on the Deck. Kindly follow these steps in order to change it back into English.
Guide to Change Language
Language Change Guide
Step 1: Choose 2nd option on title screen, which will look like “选项”.
Step 2: Choose the 6th option down, which will look like “语言”, and you should see an option to select English.