擅长:python、mysql、java
<p>这个问题似乎是由于WTForm期望<code>Value</code>字段是<code>String</code>而不是{<cd3>}这一事实造成的</p>
<p>改变</p>
<p><code>CONTROL_CHOICES = [(office.id, office.descr) for office in CONTROL_CHOICES]</code></p>
<p>到</p>
<p><code>CONTROL_CHOICES = [(str(office.id), office.descr) for office in CONTROL_CHOICES]</code></p>
<p>缓解问题</p>