diff --git a/boot/src/main/java/com/zfoo/boot/graalvm/GraalvmNetHints.java b/boot/src/main/java/com/zfoo/boot/graalvm/GraalvmNetHints.java
index 44308bb0..58c81ba3 100644
--- a/boot/src/main/java/com/zfoo/boot/graalvm/GraalvmNetHints.java
+++ b/boot/src/main/java/com/zfoo/boot/graalvm/GraalvmNetHints.java
@@ -15,8 +15,8 @@ package com.zfoo.boot.graalvm;
 import com.zfoo.net.config.model.NetConfig;
 import com.zfoo.net.core.gateway.model.*;
 import com.zfoo.net.packet.IPacket;
-import com.zfoo.net.packet.common.*;
 import com.zfoo.net.packet.common.Error;
+import com.zfoo.net.packet.common.*;
 import com.zfoo.net.router.attachment.*;
 import com.zfoo.protocol.util.ClassUtils;
 import com.zfoo.protocol.util.DomUtils;
@@ -33,7 +33,6 @@ import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
-import java.util.stream.Collectors;
 
 /**
  * Register runtime hints for the token library
@@ -80,8 +79,6 @@ public class GraalvmNetHints implements RuntimeHintsRegistrar {
 
         // IPacket
         var filterClasses = HintUtils.filterAllClass(Collections.emptyList(), List.of(IPacket.class));
-        // filter IAttachment
-        filterClasses = filterClasses.stream().filter(it -> !it.equals(IAttachment.class)).collect(Collectors.toSet());
         classes.addAll(filterClasses);
 
         // protocol.xml