diff --git a/src/main/java/com/loafle/overflow/crawler/wmi/WMICrawlerLinux.java b/src/main/java/com/loafle/overflow/crawler/wmi/WMICrawlerLinux.java
index 5fcc2e6..70b0893 100644
--- a/src/main/java/com/loafle/overflow/crawler/wmi/WMICrawlerLinux.java
+++ b/src/main/java/com/loafle/overflow/crawler/wmi/WMICrawlerLinux.java
@@ -2,6 +2,8 @@ package com.loafle.overflow.crawler.wmi;
 
 import java.util.*;
 
+
+
 /**
  * Created by root on 17. 4. 12.
  */
@@ -67,10 +69,29 @@ public class WMICrawlerLinux extends WMICrawlerOS {
         }
 
         result = result.trim();
+
+        List<Map<String,String>> resultMapList = new ArrayList<Map<String, String>>();
+
+        int errIdx = result.indexOf("ERROR:");
+        if(errIdx >= 0) {
+
+            int enterIdx = result.indexOf("\\n", errIdx);
+            if(enterIdx < 0) enterIdx = result.length();
+            String errStr = result.substring(errIdx + "ERROR:".length(), enterIdx);
+
+
+            Map<String,String> map = new HashMap<>();
+
+            map.put("ERROR", errStr);
+            resultMapList.add(map);
+            return resultMapList;
+        }
+
+
         String[] lines = result.split("\\n");
         String line = "";
 
-        List<Map<String,String>> resultMapList = new ArrayList<Map<String, String>>();
+
 
         List<String> columns = null;
         for (int indexI = 0 ; indexI < lines.length; ++indexI) {
diff --git a/src/test/java/com/loafle/overflow/crawler/wmi/WMICrawlerTest.java b/src/test/java/com/loafle/overflow/crawler/wmi/WMICrawlerTest.java
index 5337842..b094f74 100644
--- a/src/test/java/com/loafle/overflow/crawler/wmi/WMICrawlerTest.java
+++ b/src/test/java/com/loafle/overflow/crawler/wmi/WMICrawlerTest.java
@@ -52,11 +52,11 @@ public class WMICrawlerTest {
 
         Map<String, Object> map = new HashMap<String, Object>();
 
-        String id = "administrator";
-        String pw = "!@#$qwer1234";
-        String nameSpace = "root/cimv2";
-        String query = "select * from Win32_OperatingSystem";
-        String ip = "192.168.1.1";
+//        String id = "administrator";
+//        String pw = "!@#$qwer1234";
+//        String nameSpace = "root/cimv2";
+//        String query = "select * from Win32_OperatingSystem";
+//        String ip = "192.168.1.1";
 
         map.put("id", "administrator");
         map.put("pw", "!@#$qwer1234");