问Wkhtmltopdf --我如何使用相对路径？

EN

<img src="{% static "img/person.png" }%" />

<img src="/static/img/person.png" />

$ wkhtmltopdf --javascript-delay 5000 report.html  report.pdf
Warning: Failed to load file:///static/img/person.png (ignore) 

<img src="/home/bingbong/django/project/apps/static/img/person.png" />

Error: Failed loading page http://false (sometimes it will work just to ignore this error with --load-error-handling ignore)
Exit with code 1 due to network error: HostNotFoundError

subprocess.CalledProcessError: Command '['/usr/bin/wkhtmltopdf', '--encoding', 'utf8', '--javascript-delay', '1000', '--quiet', 'False', '/tmp/wkhtmltopdf3atfj280.html', '-']' returned non-zero exit status 1

app_name = 'apps'
    urlpatterns =[
        url(r'^pdf/$', views.MyPDFView.as_view()),
] + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static')

WKHTMLTOPDF_CMD = '/usr/bin/wkhtmltopdf'

WKTHMLTOPDF_CMD_OPTIONS ={
    'quiet': False,
}

class MyPDFView(View):
    template='apps/Report.html' # the template

    def get(self, request):

        response = PDFTemplateResponse(
            request=request,
            template=self.template,
            filename="apps/Report.pdf",
            show_content_in_browser=False,
            cmd_options={
                'javascript-delay':1000,
                'quiet':False,
            },
        )
        return response