diff --git a/protocol/src/test/java/com/zfoo/protocol/packet/ObjectA.java b/protocol/src/test/java/com/zfoo/protocol/packet/ObjectA.java
index c6ce017f..b8177691 100644
--- a/protocol/src/test/java/com/zfoo/protocol/packet/ObjectA.java
+++ b/protocol/src/test/java/com/zfoo/protocol/packet/ObjectA.java
@@ -32,6 +32,6 @@ public record ObjectA(
         ObjectB objectB
 
 //        @Compatible(1)
-//        int innerCompatibleValue,
+//        int innerCompatibleValue
 ) {
 }