diff --git a/src/main/java/org/bdware/sc/boundry/utils/DOIPUtil.java b/src/main/java/org/bdware/sc/boundry/utils/DOIPUtil.java
deleted file mode 100644
index 6a9c080..0000000
--- a/src/main/java/org/bdware/sc/boundry/utils/DOIPUtil.java
+++ /dev/null
@@ -1,192 +0,0 @@
-package org.bdware.sc.boundry.utils;
-
-import com.google.gson.JsonObject;
-import org.bdware.doip.application.client.ContractDOAClient;
-import org.bdware.doip.core.doipMessage.DoipMessage;
-import org.bdware.doip.core.exception.DoDecodeException;
-import org.bdware.doip.core.exception.IrpClientException;
-import org.bdware.doip.core.model.digitalObject.DigitalObject;
-import org.bdware.doip.core.model.digitalObject.Element;
-import org.bdware.doip.core.utils.DoipGson;
-import org.bdware.sc.compiler.PermissionStub;
-import org.bdware.sc.node.Permission;
-import org.bdware.sc.util.JsonUtil;
-
-import java.io.IOException;
-
-@PermissionStub(permission = Permission.DOIP)
-public class DOIPUtil {
-    //    private static final Logger LOGGER = LogManager.getLogger(DOIPUtil.class);
-    public static ContractDOAClient doaClient = null;
-
-    static {
-        initClient();
-    }
-
-    public static String test(String doi) {
-        return "create DOClient And hello " + doi + " World";
-    }
-
-    public static String hello(String repoID) {
-        initClient();
-        DigitalObject respDO;
-        DoipMessage msg;
-        try {
-            msg = doaClient.hello(repoID);
-        } catch (IrpClientException ie) {
-            ie.printStackTrace();
-            return "send doip message error: " + ie.getMessage();
-        }
-        try {
-            respDO = msg.body.getDataAsDigitalObject();
-            return respDO.toString();
-        } catch (DoDecodeException | IOException e) {
-            e.printStackTrace();
-            return new String(msg.body.getEncodedData());
-        }
-    }
-
-    public static String retrieve(String doi, String args) {
-        initClient();
-        DigitalObject respDO;
-        DoipMessage msg;
-        JsonObject argObj = JsonUtil.fromJson(args, JsonObject.class);
-        String elementID = argObj.get("elementID") == null ? null : argObj.get("elementID").getAsString();
-        boolean includeElementData =
-                argObj.get("includeElementData") != null &&
-                        argObj.get("includeElementData").getAsString().equals("true");
-        try {
-            msg = doaClient.retrieve(doi, elementID, includeElementData);
-        } catch (IrpClientException ie) {
-            ie.printStackTrace();
-            return "send doip message error: " + ie.getMessage();
-        }
-        try {
-            respDO = msg.body.getDataAsDigitalObject();
-            return respDO.toString();
-        } catch (DoDecodeException | IOException e) {
-            e.printStackTrace();
-            return new String(msg.body.getEncodedData());
-        }
-    }
-
-    public static String call(String doi, String action, String args) {
-        initClient();
-        DoipMessage msg;
-        try {
-            msg = doaClient.call(doi, action, args.getBytes());
-            return msg.body.getDataAsJsonString();
-        } catch (IrpClientException e) {
-            e.printStackTrace();
-            return e.getMessage();
-        }
-    }
-
-    public static String create(String repoID, String doString) {
-        initClient();
-        DigitalObject respDO;
-        DoipMessage msg;
-        DigitalObject dObj = DoipGson.getDoipGson().fromJson(doString, DigitalObject.class);
-        for (Element e : dObj.elements) {
-            if (null != e.dataString) {
-                e.setData(e.dataString.getBytes());
-            }
-            e.dataString = null;
-        }
-        try {
-            msg = doaClient.create(repoID, dObj);
-        } catch (IrpClientException ie) {
-            ie.printStackTrace();
-            return "send doip message error: " + ie.getMessage();
-        }
-        try {
-            respDO = msg.body.getDataAsDigitalObject();
-            return respDO.toString();
-        } catch (DoDecodeException | IOException e) {
-            e.printStackTrace();
-            return new String(msg.body.getEncodedData());
-        }
-    }
-
-    public static String delete(String doID, String repoID) {
-        initClient();
-        DigitalObject respDO;
-        DoipMessage msg;
-        try {
-            msg = doaClient.delete(doID, repoID);
-        } catch (IrpClientException ie) {
-            ie.printStackTrace();
-            return "send doip message error: " + ie.getMessage();
-        }
-        try {
-            respDO = msg.body.getDataAsDigitalObject();
-            return respDO.toString();
-        } catch (DoDecodeException | IOException e) {
-            e.printStackTrace();
-            return new String(msg.body.getEncodedData());
-        }
-    }
-
-    public static String listOperation(String doID) {
-        initClient();
-        DigitalObject respDO;
-        DoipMessage msg;
-        try {
-            msg = doaClient.listOperations(doID);
-        } catch (IrpClientException ie) {
-            ie.printStackTrace();
-            return "send doip message error: " + ie.getMessage();
-        }
-        try {
-            respDO = msg.body.getDataAsDigitalObject();
-            return respDO.toString();
-        } catch (DoDecodeException | IOException e) {
-            e.printStackTrace();
-            return new String(msg.body.getEncodedData());
-        }
-    }
-
-
-//    public static String create(String repoID, ScriptObjectMirror doStr){
-//        logger.debug(JsonUtil.toJson(doStr));
-//        SM2KeyPair kp = JavaScriptEntry.getKeyPair();
-//        HandleServiceUtils.CustomizeHandleService(kp,JavaScriptEntry.doi,HandleServiceUtils.LHS_Address);
-//        DOAClient client = DOAClient.getGlobalInstance();
-//        logger.debug(JsonUtil.toJson(doStr));
-//        DigitalObject digitalObject = new DigitalObject(
-//                doStr.get("doID").toString(),
-//                DoType.DoString
-//        );
-//        digitalObject.addAttribute("content", doStr.get("doBody").toString());
-//        try {
-//            return new String(client.create(repoID,digitalObject).parameters.toByteArray());
-//        }catch (Exception e){
-//            e.printStackTrace();
-//            return e.getMessage();
-//        }
-//    }
-
-//    public static String update(ScriptObjectMirror doStr){
-//        SM2KeyPair kp = JavaScriptEntry.getKeyPair();
-//        HandleServiceUtils.CustomizeHandleService(kp,JavaScriptEntry.doi,HandleServiceUtils.LHS_Address);
-//        DOAClient client = DOAClient.getGlobalInstance();
-//        DigitalObject digitalObject = new DigitalObject(
-//                doStr.get("doID").toString(),
-//                DoType.DoString
-//        );
-//        digitalObject.addAttribute("content", doStr.get("doBody").toString());
-//        try {
-//            return new String(client.update(digitalObject).parameters.toByteArray());
-//        }catch (Exception e){
-//            e.printStackTrace();
-//            return e.getMessage();
-//        }
-//    }
-
-
-    public static void initClient() {
-        if (null == doaClient) {
-            doaClient = ContractDOAClient.getContractDOAClientForTest();
-        }
-    }
-}