feat(documents): 增强上传反馈与状态展示

templates/base.html

@@ -338,6 +338,13 @@
         <a class="nav-link" href="{% url 'audit:list' %}">审计日志</a>
       </nav>
     </header>
+    {% if messages %}
+      <section class="stack" style="margin-bottom: 18px;">
+        {% for message in messages %}
+          <div class="notice{% if message.tags == 'error' %} notice-error{% endif %}">{{ message }}</div>
+        {% endfor %}
+      </section>
+    {% endif %}
     {% block content %}{% endblock %}
   </div>
 </body>