diff --git a/src/KingSystem/ActorSystem/actAiParam.h b/src/KingSystem/ActorSystem/actAiParam.h
index bd2bc3eb..9e537c33 100644
--- a/src/KingSystem/ActorSystem/actAiParam.h
+++ b/src/KingSystem/ActorSystem/actAiParam.h
@@ -19,7 +19,7 @@ class Rail;
 namespace act {
 class Actor;
 class BaseProc;
-}
+}  // namespace act
 
 namespace act::ai {