擅长:python、mysql、java
<p>在Many2Many关系中将<a href="https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.ManyToManyField.symmetrical">symmetrical</a>设置为False:</p>
<pre><code>follows = models.ManyToManyField('self', related_name='follows', symmetrical=False)
</code></pre>