// 对于 1.21.2 之前的版本：
    public static final Item CUSTOM_SEEDS = register("custom_seeds", new AliasedBlockItem(TutorialBlocks.CUSTOM_CROP, new Item.Settings()));
    
    // 对于 1.21.2 及之后的版本：
    public static final Item CUSTOM_SEEDS = register("custom_seeds", settings -> new BlockItem(TutorialBlocks.CUSTOM_CROP, settings), new Item.Settings().useItemPrefixedTranslationKey());