diff --git a/src/main/java/com/loafle/overflow/crawler/result/OFResultSet.java b/src/main/java/com/loafle/overflow/crawler/result/OFResultSet.java
index ac50fc0..3ebc56e 100644
--- a/src/main/java/com/loafle/overflow/crawler/result/OFResultSet.java
+++ b/src/main/java/com/loafle/overflow/crawler/result/OFResultSet.java
@@ -41,7 +41,29 @@ public class OFResultSet {
     }
 
 
-    public void setMeta(List<String> meta) {
+    public void setMeta() {
+
+
+        String type = (String) this.item.getQuery().getQueryInfo().get("parseDirection");
+        List<String> meta = new ArrayList<>();
+        if (type.equals("row")) {
+
+            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");
+
+            for (String c : arrayColumns) {
+                meta.add(c);
+            }
+            for (String c: keyColumns) {
+                meta.add(c);
+            }
+            meta.add(valueColumn);
+
+        } else {
+
+        }
+
 
         if(this.meta == null) {
             this.meta = new HashMap<>();
@@ -54,13 +76,9 @@ public class OFResultSet {
     }
 
     public OFResultSet(Item item) {
-        this(item,null);
-    }
-
-    public OFResultSet(Item item,List<String> meta) {
         this.item = item;
         this.rows = new ArrayList<>();
-        this.setMeta(meta);
+        this.setMeta();
     }
 
     public void addRow(List<String> row) {