diff --git a/src/main/java/com/loafle/overflow/crawler/result/OFResultSetRow.java b/src/main/java/com/loafle/overflow/crawler/result/OFResultSetRow.java
index b0ade53..602d0b6 100644
--- a/src/main/java/com/loafle/overflow/crawler/result/OFResultSetRow.java
+++ b/src/main/java/com/loafle/overflow/crawler/result/OFResultSetRow.java
@@ -25,14 +25,20 @@ public class OFResultSetRow extends OFResultSet{
         List<String> arrayColumns = (List<String>) this.item.getQuery().getQueryInfo().get("arrayColumns");
         List<String> keyColumns = (List<String>) this.item.getQuery().getQueryInfo().get("keyColumns");
         String valueColumn = (String) this.item.getQuery().getQueryInfo().get("valueColumn");
+        if (arrayColumns != null) {
+            for (String c : arrayColumns) {
+                meta.add(c);
+            }
+        }
 
-        for (String c : arrayColumns) {
-            meta.add(c);
+        if (keyColumns != null) {
+            for (String c: keyColumns) {
+                meta.add(c);
+            }
         }
-        for (String c: keyColumns) {
-            meta.add(c);
-        }
-        meta.add(valueColumn);
+
+        if (valueColumn != null && !valueColumn.equals(""))
+            meta.add(valueColumn);
 
         if(this.meta == null) {
             this.meta = new HashMap<>();
@@ -62,12 +68,13 @@ public class OFResultSetRow extends OFResultSet{
 
         Query query = this.item.getQuery();
         List<String> metrics = this.item.getMetrics();
+        // 동적 키인지 일반 키들인지 체크해야함 // 일단은 동적 키적용
+        String metricsType = (String) query.getQueryInfo().get("metricsType");
+
         List<String> arrayColumns = (List<String>) this.item.getQuery().getQueryInfo().get("arrayColumns");
         List<String> keyColumns = (List<String>) this.item.getQuery().getQueryInfo().get("keyColumns");
         List<String> keys = query.getKeys();
 
-        // 동적 키인지 일반 키들인지 체크해야함 // 일단은 동적 키적용
-        String metricsType = (String) query.getQueryInfo().get("metricsType");
 
         boolean find = false;
         int findIndex = -1;
@@ -94,6 +101,6 @@ public class OFResultSetRow extends OFResultSet{
         }
 
         return metric;
-
     }
+
 }