“错误: RPC失败；curl 56tls接收错误(-110)：GnuTLS连接未正确终止”

import grpc
from concurrent import futures
import example_pb2
import example_pb2_grpc

class ExampleServicer(example_pb2_grpc.ExampleServicer):
    def SayHello(self, request, context):
        return example_pb2.HelloReply(message='Hello, %s!' % request.name)

def serve():
    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
    example_pb2_grpc.add_ExampleServicer_to_server(ExampleServicer(), server)
    
    # 配置TLS
    with open('server.key', 'rb') as f:
        private_key = f.read()
    with open('server.crt', 'rb') as f:
        certificate_chain = f.read()
    server_credentials = grpc.ssl_server_credentials(((private_key, certificate_chain,),))
    
    server.add_secure_port('[::]:50051', server_credentials)
    server.start()
    server.wait_for_termination()

if __name__ == '__main__':
    serve()