Traceback (most recent call last):
File "C:\veighna_studio\lib\threading.py", line 1016, in _bootstrap_inner
self.run()
File "C:\veighna_studio\lib\threading.py", line 953, in run
self._target(*self._args, **self._kwargs)
File "C:\veighna_studio\lib\site-packages\vnpy\trader\engine.py", line 653, in run
with smtplib.SMTP_SSL(
File "C:\veighna_studio\lib\smtplib.py", line 284, in exit
raise SMTPResponseException(code, message)
smtplib.SMTPResponseException: (-1, b'\x00\x00\x00')
报错如上，但能收到测试邮件，请问是什么意思？
