diff --git a/app/entity/gateway/ws/PutMessage.php b/app/entity/gateway/ws/PutMessage.php
index 3c11209..38ab1f1 100644
--- a/app/entity/gateway/ws/PutMessage.php
+++ b/app/entity/gateway/ws/PutMessage.php
@@ -23,9 +23,11 @@ class PutMessage
     public function __construct(string $ws_client_id, string $type, string $event, array $data = [])
     {
         $this->wsClientId = $ws_client_id;
-        if ($type == MessageType::System) {
+        if ($type == MessageType::System->value) {
             $this->type = MessageType::System;
             $this->event = SystemEnum::tryFrom($event);
+        }else{
+            $this->type = null;
         }
         $this->data = $data;
     }