Night-Fragrance/nightFragrance-massage/src/main/resources/mapper/moment/MomentCollectMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ylx.moment.mapper.MomentCollectMapper">

    <update id="incrementSaveCount">
        UPDATE
            t_technician_moment
        SET like_count = IFNULL(like_count, 0) + #{step}
        WHERE
            id = #{momentId}
    </update>
</mapper>