django例子，question_text为中文时候报错

问题描述
UnicodeEncodeError at /admin/polls/question/3/
'ascii' codec can't encode characters in position 0-2: ordinal not in range(128)
Request Method: GET
Request URL: http://114.215.84.142:9999/admin/polls/question/3/
Django Version: 1.8
Exception Type: UnicodeEncodeError
Exception Value:
'ascii' codec can't encode characters in position 0-2: ordinal not in range(128)
Exception Location: /root/demo1/local/lib/python2.7/site-packages/django/utils/encoding.py in force_text, line 94
Python Executable: /root/demo1/bin/python
Python Version: 2.7.6
Python Path:
['/root/demo1/wsf',
'/root/demo1/lib/python2.7',
'/root/demo1/lib/python2.7/plat-x86_64-linux-gnu',
'/root/demo1/lib/python2.7/lib-tk',
'/root/demo1/lib/python2.7/lib-old',
'/root/demo1/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-x86_64-linux-gnu',
'/usr/lib/python2.7/lib-tk',
'/root/demo1/local/lib/python2.7/site-packages',
'/root/demo1/lib/python2.7/site-packages']
Server time: Sat, 9 Jan 2016 03:19:57 +0000
Unicode error hint

The string that could not be encoded/decoded was: 你好啊
Error during template rendering

In template /root/demo1/local/lib/python2.7/site-packages/django/contrib/admin/templates/admin/change_form.html, error at line 21
ascii
11 {% block coltype %}colM{% endblock %}
12
13 {% block bodyclass %}{{ block.super }} app-{{ opts.app_label }} model-{{ opts.model_name }} change-form{% endblock %}
14
15 {% if not is_popup %}
16 {% block breadcrumbs %}
17

18 {% trans 'Home' %}
19 › {{ opts.app_config.verbose_name }}
20 › {% if has_change_permission %}{{ opts.verbose_name_plural|capfirst }}{% else %}{{ opts.verbose_name_plural|capfirst }}{% endif %}
21
› {% if add %}{% trans 'Add' %} {{ opts.verbose_name }}{% else %}
{{ original|truncatewords:"18" }}
{% endif %}

22

23 {% endblock %}
24 {% endif %}
25
26 {% block content %}

27 {% block object-tools %}
28 {% if change %}{% if not is_popup %}
29

30 {% block object-tools-items %}