django models設置聯合主鍵

class man(Model):
    id=AutoField(primary_key=True)    # 設置單個主鍵
    name = CharField(max_length=30)
    age =IntegerField()
class girl(Model):
    name=CharField(max_length=10)
    age = IntegerField()
    # 接下來設置聯合主鍵
    class Meta:
        unique_together=("name","age")