diff --git a/src/main/java/act/controller/meta/CatchMethodMetaInfo.java b/src/main/java/act/controller/meta/CatchMethodMetaInfo.java
index <HASH>..<HASH> 100644
--- a/src/main/java/act/controller/meta/CatchMethodMetaInfo.java
+++ b/src/main/java/act/controller/meta/CatchMethodMetaInfo.java
@@ -21,7 +21,7 @@ public class CatchMethodMetaInfo extends InterceptorMethodMetaInfo {
 
     @Override
     protected void releaseResources() {
-        targetExceptionClassNames.clear();
+        targetExceptionClassNames = null;
         super.releaseResources();
     }
fix issue: CatchMethodMetaInfo release logic tried to clear readonly list