You can't. On the one hand, adding liquor makes use of the reaction between alcohol and acetic acid in kimchi to produce ethyl acetate, which increases the flavor of kimchi; On the other hand, it inhibits the growth of miscellaneous bacteria.

The alcohol content of beer is between 3% and 5%, which can't play the above role. At the same time, there are a lot of nutrients in beer, which will be used by microorganisms for secondary fermentation, resulting in bad flavor and toxic substances.