擅长:python、mysql、java
<p>下面这一行似乎与错误消失有关</p>
<pre><code>app.config['SESSION_PERMANENT'] = True
</code></pre>
<p>如果我确定<code>SESSION_PERMEMNAT = True</code>,它不会给出错误,但不能完全确定可靠性</p>
<p><strong>更新:</strong></p>
<p>在flask会话Github上找到此<a href="https://github.com/fengsp/flask-session/issues/67" rel="nofollow noreferrer">issue</a>。似乎它与数据库<strong>会话</strong>表<strong>到期</strong>列为空有关</p>