diff --git a/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/api/MainController.java b/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/api/MainController.java
index 667da287..af9bbebe 100644
--- a/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/api/MainController.java
+++ b/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/api/MainController.java
@@ -1,6 +1,7 @@
 package org.bench4q.monitor.api;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.ExecutionException;
 
@@ -30,8 +31,8 @@ public class MainController {
 
 	@RequestMapping(value = "/limitableFields")
 	@ResponseBody
-	public LimitableFieldsModel limitableFields() throws SigarException {
-		return new LimitableFieldsModel();
+	public List<String> limitableFields() throws SigarException {
+		return new LimitableFieldsModel().getFields();
 	}
 
 	@RequestMapping(value = "/submitLimit/{testPlanId}", method = RequestMethod.PUT)
diff --git a/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/model/LimitableFieldsModel.java b/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/model/LimitableFieldsModel.java
index fb4c521e..a4833b64 100644
--- a/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/model/LimitableFieldsModel.java
+++ b/Bench4Q-Monitor-Sigar/src/main/java/org/bench4q/monitor/model/LimitableFieldsModel.java
@@ -55,5 +55,8 @@ public class LimitableFieldsModel {
 		this.fieldsParent = fieldsParent;
 	}
 
-
+	public static void main(String args[]) throws SigarException{
+		LimitableFieldsModel limitableFieldsModel = new LimitableFieldsModel();
+		System.out.println(limitableFieldsModel.getFields());
+	}
 }