diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceBooleanSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceBooleanSerializer.java
index 7a69388b..c8e7dff1 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceBooleanSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceBooleanSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceBooleanSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeBoolean($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeBooleanBox($1, (Boolean){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,13 +38,11 @@ public class EnhanceBooleanSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("boolean {} = {}.readBoolean($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Boolean {} = {}.readBooleanBox($1);", result, EnhanceUtils.byteBufUtils));
         }
-
         return result;
     }
 
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceByteSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceByteSerializer.java
index eb61d871..17c6d7b4 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceByteSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceByteSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceByteSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeByte($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeByteBox($1, (Byte){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceByteSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("byte {} = {}.readByte($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Byte {} = {}.readByteBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceCharSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceCharSerializer.java
index 240e344c..26478f2b 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceCharSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceCharSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceCharSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeChar($1,{});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeCharBox($1, (Character){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceCharSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("char {} = {}.readChar($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Character {} = {}.readCharBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceDoubleSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceDoubleSerializer.java
index f9f003e9..9b79417d 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceDoubleSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceDoubleSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceDoubleSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeDouble($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeDoubleBox($1, (Double){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceDoubleSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("double {} = {}.readDouble($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Double {} = {}.readDoubleBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceFloatSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceFloatSerializer.java
index eb8bb9ee..6c82857a 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceFloatSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceFloatSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceFloatSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeFloat($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeFloatBox($1, (Float){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,7 +38,6 @@ public class EnhanceFloatSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
         if (field.getType().isPrimitive()) {
             builder.append(StringUtils.format("float {} = {}.readFloat($1);", result, EnhanceUtils.byteBufUtils));
         } else {
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceIntSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceIntSerializer.java
index 5002a1b8..3678f138 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceIntSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceIntSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceIntSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeInt($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeIntBox($1, (Integer){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceIntSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("int {} = {}.readInt($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Integer {} = {}.readIntBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceLongSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceLongSerializer.java
index f9f901b4..3c618a7d 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceLongSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceLongSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceLongSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeLong($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeLongBox($1, (Long){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceLongSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("long {} = {}.readLong($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Long {} = {}.readLongBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceShortSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceShortSerializer.java
index df968fde..adc45527 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceShortSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/EnhanceShortSerializer.java
@@ -28,7 +28,7 @@ public class EnhanceShortSerializer implements IEnhanceSerializer {
 
     @Override
     public void writeObject(StringBuilder builder, String objectStr, Field field, IFieldRegistration fieldRegistration) {
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("{}.writeShort($1, {});", EnhanceUtils.byteBufUtils, objectStr));
         } else {
             builder.append(StringUtils.format("{}.writeShortBox($1, (Short){});", EnhanceUtils.byteBufUtils, objectStr));
@@ -38,8 +38,7 @@ public class EnhanceShortSerializer implements IEnhanceSerializer {
     @Override
     public String readObject(StringBuilder builder, Field field, IFieldRegistration fieldRegistration) {
         var result = "result" + GenerateProtocolFile.index.getAndIncrement();
-
-        if (field.getType().isPrimitive()) {
+        if (isPrimitiveField(field)) {
             builder.append(StringUtils.format("short {} = {}.readShort($1);", result, EnhanceUtils.byteBufUtils));
         } else {
             builder.append(StringUtils.format("Short {} = {}.readShortBox($1);", result, EnhanceUtils.byteBufUtils));
diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/IEnhanceSerializer.java b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/IEnhanceSerializer.java
index e7fa4583..9aac5ca2 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/IEnhanceSerializer.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/enhance/IEnhanceSerializer.java
@@ -23,6 +23,13 @@ import java.lang.reflect.Field;
  */
 public interface IEnhanceSerializer {
 
+    default boolean isPrimitiveField(Field field) {
+        if (field.getType().isPrimitive()) {
+            return true;
+        }
+        return field.getType().isArray() && field.getType().getComponentType().isPrimitive();
+    }
+
     /**
      * IProtocolRegistration.write(ByteBuf buffer, IPacket packet);
      * $1=buffer