    def get(self, path: str) -> None:
        if not os.path.exists(cfg.front_static_path):
            msg = """<h1>Thanks for your using BGmi</h1>
            <p>It seems you have not install BGmi Frontend,
             please run <code>bgmi install</code> to install.</p>
            """
        else:
            msg = """<h1>Thanks for your using BGmi</h1>
            <p>If use want to use Tornado to serve static files, please enable
            <code>[http]</code>,
            <code>serve_static_files = false</code>,
            and do not forget install bgmi-frontend by
            running <code>bgmi install</code></p>"""

        self.write(msg)
        self.finish()
else:
msg = """<h1>Thanks for your using BGmi</h1>
<p>If use want to use Tornado to serve static files, please enable
<code>[http]</code>,
<code>serve_static_files = false</code>,
and do not forget install bgmi-frontend by
running <code>bgmi install</code></p>
bgmi/front/index.py