web-editor dump hierarchy error

连接mumu模拟器时，connect后，点击dump hierarchy，出现提示： local server not started, start with python -m weditor weditor并未退出，命令行提示： `[I 190701 17:00:45 web:2246] 200 GET /api/v1/devices/android%3A127.0.0.1%3A7555/screenshot (::1) 4677.18ms [W 190701 17:00:45 session:477] request error: 404 page not found

[E 190701 17:00:45 web:1788] Uncaught exception GET /api/v1/devices/android%3A127.0.0.1%3A7555/hierarchy (::1) HTTPServerRequest(protocol='http', host='localhost:17310', method='GET', uri='/api/v1/devices/android%3A127.0.0.1%3A7555/hierarchy', version='HTTP/1.1', remote_ip='::1') Traceback (most recent call last): File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\tornado\web.py", line 1697, in _execute result = method(*self.path_args, **self.path_kwargs) File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\weditor\web\handlers\page.py", line 171, in get self.write(d.dump_hierarchy()) File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\weditor\web\device.py", line 17, in dump_hierarchy return uidumplib.get_android_hierarchy(self._d) File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\weditor\web\uidumplib.py", line 107, in get_android_hierarchy page_xml = d.dump_hierarchy(compressed=False, pretty=False).encode('utf-8') File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\uiautomator2\session.py", line 475, in dump_hierarchy res.raise_for_status() File "C:\Users\hg\AppData\Local\Programs\Python\Python37\lib\site-packages\requests\models.py", line 940, in raise_for_status raise HTTPError(http_error_msg, response=self) requests.exceptions.HTTPError: 404 Client Error: Not Found for url: http://127.0.0.1:58622/dump/hierarchy [E 190701 17:00:45 web:2246] 500 GET /api/v1/devices/android%3A127.0.0.1%3A7555/hierarchy (::1) 25.38ms`