diff --git a/protocol/src/main/java/com/zfoo/protocol/serializer/gdscript/GenerateGdUtils.java b/protocol/src/main/java/com/zfoo/protocol/serializer/gdscript/GenerateGdUtils.java
index 9e90e473..e9dd9108 100644
--- a/protocol/src/main/java/com/zfoo/protocol/serializer/gdscript/GenerateGdUtils.java
+++ b/protocol/src/main/java/com/zfoo/protocol/serializer/gdscript/GenerateGdUtils.java
@@ -124,7 +124,7 @@ public abstract class GenerateGdUtils {
         var readObject = readObject(registration);
 
         var protocolTemplate = StringUtils.bytesToString(IOUtils.toByteArray(ClassUtils.getFileFromClassPath("gdscript/ProtocolTemplate.gd")));
-        protocolTemplate = StringUtils.format(protocolTemplate, includeSubProtocol, classNote, fieldDefinition.trim(), protocolId, writeObject.trim(), readObject.trim());
+        protocolTemplate = StringUtils.format(protocolTemplate, protocolClazzName, protocolId, includeSubProtocol, classNote, fieldDefinition.trim(), writeObject.trim(), readObject.trim());
 
         var outputPath = StringUtils.format("{}/{}/{}.gd", protocolOutputPath, GenerateProtocolPath.getProtocolPath(protocolId), protocolClazzName);
         FileUtils.writeStringToFile(new File(outputPath), protocolTemplate, true);
diff --git a/protocol/src/main/resources/gdscript/ProtocolTemplate.gd b/protocol/src/main/resources/gdscript/ProtocolTemplate.gd
index 6c0e72ea..869f836d 100644
--- a/protocol/src/main/resources/gdscript/ProtocolTemplate.gd
+++ b/protocol/src/main/resources/gdscript/ProtocolTemplate.gd
@@ -1,8 +1,8 @@
-{}
-{}
-{}
-
+class_name {}
 const PROTOCOL_ID = {}
+{}
+{}
+{}
 
 static func write(buffer, packet):
 	if (buffer.writePacketFlag(packet)):