[案情]马树某与田某系夫妻关系,田某在与马树某婚姻关系存续期间,与曹某婚外生育一女田某某。田某多次通过银行转账方式给曹某的账户转入2475196元。马树某认为田某侵犯其合法权益,故起诉至一审法院,请求判令曹某返还2515140元。一审法院经审理认为,夫妻在婚姻关系存续期间所得的财产属于夫妻共同财产,田某的赠与行为既损害了 [Case] ​​Ma Shumou and Tianmou Department of husband and wife relationship, Tian Mou and Ma tree during the existence of a marital relationship, and Cao Mou extramarital woman Tianmou Mou. Tianmou several times by bank transfer account to Cao account into 2475196 yuan. Ma Shu Moumou that a violation of their legitimate rights and interests, so sued to the court of first instance, request an order to return 2515140 yuan. After trial, the courts of first instance held that the property acquired by the husband and wife during the existence of the marital relationship belongs to the common property of the husband and wife and that the gift of Tian Mou impaired