select 选择默认的options
<select name="Doctor" id="dutydoctor">
{% for i in user_list %}
{% if i.name == request.user.firstName %}
<option value="{{ i.user_id }}" selected="selected">{{ i.name }}</option>
{% else %}
<option value="{{ i.user_id }}">{{ i.name }}</option>
{% endif %}
{% endfor %}
</select>