How does the script connect to encrypted zk

[narcissus1024]

When I connect to an encrypted zk, I get the following error：

ERROR:kazoo.client:Unhandled exception in connection loop
Traceback (most recent call last):
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 602, in _connect_attempt
response = self._read_socket(read_timeout)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 453, in _read_socket
return self._read_response(header, buffer, offset)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 391, in _read_response
callback_exception = EXCEPTIONSheader.err
File "/usr/local/lib/python3.9/dist-packages/kazoo/exceptions.py", line 54, in _invalid_error_code
raise RuntimeError('Invalid error code')
RuntimeError: Invalid error code
Exception in thread Thread-3:
Traceback (most recent call last):
File "/usr/lib/python3.9/threading.py", line 954, in _bootstrap_inner
self.run()
File "/usr/lib/python3.9/threading.py", line 892, in run
self._target(*self._args, **self._kwargs)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 512, in zk_loop
if retry(self._connect_loop, retry) is STOP_CONNECTING:
File "/usr/local/lib/python3.9/dist-packages/kazoo/retry.py", line 126, in call
return func(*args, **kwargs)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 552, in _connect_loop
status = self._connect_attempt(host, hostip, port, retry)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 602, in _connect_attempt
response = self._read_socket(read_timeout)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 453, in _read_socket
return self._read_response(header, buffer, offset)
File "/usr/local/lib/python3.9/dist-packages/kazoo/protocol/connection.py", line 391, in _read_response
callback_exception = EXCEPTIONSheader.err
File "/usr/local/lib/python3.9/dist-packages/kazoo/exceptions.py", line 54, in _invalid_error_code
raise RuntimeError('Invalid error code')
RuntimeError: Invalid error code