About sub-wallets

By modifying the last X in path m/44'/60'/0'/0/X, you can determine different paths and generate different sub-wallets, so the Mnemonic is quite important, once you lose it, you will lose all of your sub-wallets. For an example, with number 6, the path is m/44'/60'/0'/0/6; You can customize the path to restore when you import the wallet, or you can restore it by adding sub-wallets. The current sub-wallet will only add the wallet in the form of increasing serial numbers.