Strange error after request

Problem description:After my successful response to each request, the terminal will record the receipt of another request and report an error.
Error content

[2021-06-30 13:57:19 +0800] [116908] [ERROR] Exception occurred while handling uri: 'http:///*'
Traceback (most recent call last):
  File "D:\Anaconda3\lib\site-packages\sanic\http.py", line 126, in http1
    await self.http1_request_header()
  File "D:\Anaconda3\lib\site-packages\sanic\http.py", line 188, in http1_request_header
    await self._receive_more()
  File "D:\Anaconda3\lib\site-packages\sanic\server.py", line 222, in receive_more
    await self._data_received.wait()
  File "D:\Anaconda3\lib\asyncio\locks.py", line 293, in wait
    await fut
concurrent.futures._base.CancelledError

I don’t know where this request was initiated, and this request format will not be requested to my service by reason. I hope the great God can guide me,Thanks in advance