内置后台

# polls/admin.py
help_text = '<strong>bold test</strong>'

@admin.register(Polls)
class PollsAdmin(admin.ModelAdmin):
    list_display = ('name','updated')
    search_fields = ['name']
    fieldsets = [
        ('Content', {'fields': ['name'],'description':f'<div class="help">{help_text}</div>'}),
    ]
    # 把Save and add another 替换为 Save as new
    save_as = True  
    
    # 去掉 "增加" 按钮
    def has_add_permission(self, request):
        return False


# admin.site.register(Polls, PollsAdmin)