diff --git a/src/org/redkale/net/http/RestOnMessage.java b/src/org/redkale/net/http/RestOnMessage.java
index 099b597d5..6dd445fdb 100644
--- a/src/org/redkale/net/http/RestOnMessage.java
+++ b/src/org/redkale/net/http/RestOnMessage.java
@@ -30,6 +30,13 @@ public @interface RestOnMessage {
      */
     String name();
 
+    /**
+     * 是否为二进制消息, 默认为文本消息
+     *
+     * @return boolean
+     */
+    boolean isBinary() default false;
+
     /**
      * 备注描述
      *