diff --git a/app/Protocols/Shadowrocket.php b/app/Protocols/Shadowrocket.php
index e17aae3..9a50f21 100644
--- a/app/Protocols/Shadowrocket.php
+++ b/app/Protocols/Shadowrocket.php
@@ -411,7 +411,8 @@ class Shadowrocket extends AbstractProtocol
         $params = [
             'alpn' => data_get($protocol_settings, 'alpn'),
             'sni' => data_get($protocol_settings, 'tls.server_name'),
-            'insecure' => data_get($protocol_settings, 'tls.allow_insecure')
+            'insecure' => data_get($protocol_settings, 'tls.allow_insecure'),
+            'congestion_control' => data_get($protocol_settings, 'congestion_control', 'cubic')
         ];
         if (data_get($protocol_settings, 'version') === 4) {
             $params['token'] = $password;