Change 3 finger tap default macos behavior to 4finger tap, and 4 finger tap to middle click.

[hu_hao]

When I define a 3 finger tap behavior, the dictionary will show up and then trigger the behavior i defined ( the middle key )

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Is there a way to make the 3 finger tap system behavior to 4 finger tap, and the 3 finger tap only trigger the behavior I defined

ps: I need 3 finger drag function