diff --git a/lib/message/MessageBroker.d.ts b/lib/message/MessageBroker.d.ts
index 9f08dd3..e2b0811 100644
--- a/lib/message/MessageBroker.d.ts
+++ b/lib/message/MessageBroker.d.ts
@@ -145,7 +145,7 @@ export declare class AppWsMsgBroker {
     unsbuscribe(destination: string): void;
     unsubscribeAll(): void;
     resubscribeAll(): void;
-    publishMessage(destination: string, message: string): void;
+    publishMessage(destination: string, message: Uint8Array): void;
     /**
      * 取消所有订阅，从通用Stomp客户端移除此消息代理
      */