diff --git a/src/main/java/org/bdware/sc/boundry/JavaScriptEntry.java b/src/main/java/org/bdware/sc/boundry/JavaScriptEntry.java
index 8769e57..efdbddc 100644
--- a/src/main/java/org/bdware/sc/boundry/JavaScriptEntry.java
+++ b/src/main/java/org/bdware/sc/boundry/JavaScriptEntry.java
@@ -1,6 +1,7 @@
 package org.bdware.sc.boundry;
 
 import com.google.gson.JsonObject;
+import groovy.util.ScriptException;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.bdware.sc.ContractProcess;
@@ -328,7 +329,10 @@ public class JavaScriptEntry {
             return bo.toString();
         }
     }
-
+    //YancloudUtil.exceptionReturn({"msg":"missing arguments repoId ","code":1});
+    public static void exceptionReturn(Object obj) throws ScriptReturnException {
+        throw new ScriptReturnException(JSONTool.convertMirrorToJson(obj));
+    }
     /**
      * publish an event with semantic AT_LEAST_ONCE
      *
diff --git a/src/main/java/org/bdware/sc/boundry/ScriptReturnException.java b/src/main/java/org/bdware/sc/boundry/ScriptReturnException.java
new file mode 100644
index 0000000..2fddbf2
--- /dev/null
+++ b/src/main/java/org/bdware/sc/boundry/ScriptReturnException.java
@@ -0,0 +1,21 @@
+package org.bdware.sc.boundry;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+public class ScriptReturnException extends IllegalStateException {
+//    public String message1;
+//    public int code;
+    public JsonObject message;
+    public ScriptReturnException(JsonElement jsonElement) {
+        message=jsonElement.getAsJsonObject();
+//        message=jo.get("msg").getAsString();
+//        code=jo.get("code").getAsInt();
+    }
+
+//    @Override
+//    public String getMessage() {
+//        return this.message1;
+//
+//    }
+}
diff --git a/src/main/java/org/bdware/sc/engine/DesktopEngine.java b/src/main/java/org/bdware/sc/engine/DesktopEngine.java
index ed837e7..a1da6a9 100644
--- a/src/main/java/org/bdware/sc/engine/DesktopEngine.java
+++ b/src/main/java/org/bdware/sc/engine/DesktopEngine.java
@@ -18,6 +18,7 @@ import org.bdware.sc.bean.ContractRequest;
 import org.bdware.sc.bean.ProjectConfig;
 import org.bdware.sc.boundry.JavaScriptEntry;
 import org.bdware.sc.boundry.Resources;
+import org.bdware.sc.boundry.ScriptReturnException;
 import org.bdware.sc.boundry.utils.UtilRegistry;
 import org.bdware.sc.encrypt.HardwareInfo;
 import org.bdware.sc.encrypt.HardwareInfo.OSType;
@@ -550,7 +551,13 @@ public class DesktopEngine extends JSEngine {
                         new JsonPrimitive("Action " + input.getAction() + " is not exported!"));
             }
 
-        } catch (ScriptException e) {
+        }catch (ScriptReturnException e){
+            e.printStackTrace();
+            return new ContractResult(
+                    Status.Exception,
+                    e.message);
+        }
+        catch (ScriptException e) {
             Throwable cause = e.getCause();
             e.printStackTrace();
             return new ContractResult(