diff --git a/src/ts/@overflow/commons/invoke/ServiceInvoker.ts b/src/ts/@overflow/commons/invoke/ServiceInvoker.ts
index d915448..600ee3d 100644
--- a/src/ts/@overflow/commons/invoke/ServiceInvoker.ts
+++ b/src/ts/@overflow/commons/invoke/ServiceInvoker.ts
@@ -8,14 +8,14 @@ export class ServiceInvoker {
 
     public invoke(className: string, methodName: string, params?: any): void {
         let classObj: Object = this.configMap.get(className);
-        if (classObj === null) {
+        if (classObj === null || classObj === undefined) {
             console.log('Error: Cannot find the class. [' + className + ']');
             return;
         }
-        if (!classObj.hasOwnProperty(methodName)) {
+        if (classObj[methodName] === undefined) {
             console.log('Error: Cannot find the method. [' + methodName + ']');
             return;
         }
-        classObj[methodName]();
+        classObj[methodName](params);
     }
 }