diff --git a/wechaty-puppet-service/IO/Github/Wechaty/PuppetService/PuppetService.php b/wechaty-puppet-service/IO/Github/Wechaty/PuppetService/PuppetService.php
index 0a9f9c7..d5ede12 100644
--- a/wechaty-puppet-service/IO/Github/Wechaty/PuppetService/PuppetService.php
+++ b/wechaty-puppet-service/IO/Github/Wechaty/PuppetService/PuppetService.php
@@ -806,7 +806,7 @@ function ($metadata,
         } else {
             Logger::DEBUG("start client with tls");
             $this->_grpcClient = new \Wechaty\PuppetClient($hostname, [
-                'credentials' => \Grpc\ChannelCredentials::createSsl(WechatyCA::TLS_CA_CERT, WechatyCA::TLS_INSECURE_SERVER_KEY, WechatyCA::TLS_INSECURE_SERVER_CERT),
+                'credentials' => \Grpc\ChannelCredentials::createSsl(WechatyCA::TLS_CA_CERT),
                 'update_metadata' => $updateMetadata,
             ]);
         }