The two activities are not of the same type.
Autumn outings usually refer to outdoor trips or outings in autumn, with the purpose of appreciating the beauty of autumn, feeling the changes in nature and the joy of harvest. Autumn outings usually include visiting natural attractions, picking fruits, hiking, etc., aiming to allow people to enjoy the beauty of autumn and relax.
Literary and sports activities refer to the general term for literary and artistic activities and sports activities. Literary and artistic activities can include speech contests, reading month activities, cultural salons, calligraphy, painting competitions, etc., aiming to cultivate people's artistic interests and aesthetic abilities. Sports activities can include tug-of-war competitions, rope skipping competitions, badminton competitions, etc., aiming to promote physical fitness and team spirit.