diff --git a/src/main/java/org/bdware/sc/engine/JSONTool.java b/src/main/java/org/bdware/sc/engine/JSONTool.java
index 5577b7d..5fec4f7 100644
--- a/src/main/java/org/bdware/sc/engine/JSONTool.java
+++ b/src/main/java/org/bdware/sc/engine/JSONTool.java
@@ -2,6 +2,8 @@ package org.bdware.sc.engine;
 
 import com.google.gson.*;
 import jdk.nashorn.internal.runtime.Context;
+import org.bdware.doip.codec.doipMessage.DoipMessage;
+import org.bdware.sc.util.JsonUtil;
 import wrp.jdk.nashorn.api.scripting.ScriptObjectMirror;
 import wrp.jdk.nashorn.internal.objects.NativeArray;
 import wrp.jdk.nashorn.internal.runtime.PropertyMap;
@@ -146,7 +148,9 @@ public class JSONTool {
             return jsonObject;
         } else if (obj.getClass() == jdk.internal.dynalink.beans.StaticClass.class) {
             return JsonNull.INSTANCE;
-        } else if (obj instanceof Number) {
+        } else if (obj.getClass() == DoipMessage.class) {
+            return JsonUtil.fromJson(JsonUtil.toJson(obj), JsonObject.class);
+        }else if (obj instanceof Number) {
             return new JsonPrimitive((Number) obj);
 
         } else if (obj instanceof String) {
diff --git a/src/main/java/org/bdware/sc/engine/hook/DOOPBeforeExecHandler.java b/src/main/java/org/bdware/sc/engine/hook/DOOPBeforeExecHandler.java
index ee49665..456ce2f 100644
--- a/src/main/java/org/bdware/sc/engine/hook/DOOPBeforeExecHandler.java
+++ b/src/main/java/org/bdware/sc/engine/hook/DOOPBeforeExecHandler.java
@@ -5,7 +5,6 @@ import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import org.bdware.doip.codec.doipMessage.DoipMessage;
 import org.bdware.doip.codec.doipMessage.DoipMessageFactory;
-import org.bdware.doip.codec.doipMessage.DoipResponseCode;
 import org.bdware.doip.codec.operations.BasicOperations;
 import org.bdware.sc.JSEngine;
 import org.bdware.sc.bean.ContractRequest;
diff --git a/src/main/java/org/bdware/sc/handler/DOOPRequestHandler.java b/src/main/java/org/bdware/sc/handler/DOOPRequestHandler.java
index ed734d4..bd3eaf9 100644
--- a/src/main/java/org/bdware/sc/handler/DOOPRequestHandler.java
+++ b/src/main/java/org/bdware/sc/handler/DOOPRequestHandler.java
@@ -1,7 +1,6 @@
 package org.bdware.sc.handler;
 
 import com.google.gson.Gson;
-import com.google.gson.JsonElement;
 import io.netty.channel.ChannelHandlerContext;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -12,7 +11,6 @@ import org.bdware.doip.endpoint.server.NettyServerHandler;
 import org.bdware.doip.endpoint.server.RepositoryHandler;
 import org.bdware.sc.ContractProcess;
 import org.bdware.sc.bean.ContractRequest;
-import org.bdware.sc.engine.hook.DOOPBeforeExecHandler;
 import org.bdware.sc.entity.DoipMessagePacker;
 import org.bdware.sc.node.FunctionNode;
 import org.bdware.sc.util.JsonUtil;