diff --git a/src/main/java/com/loafle/overflow/crawler/config/QueryInfo.java b/src/main/java/com/loafle/overflow/crawler/config/QueryInfo.java
index cef1e60..8fd1285 100644
--- a/src/main/java/com/loafle/overflow/crawler/config/QueryInfo.java
+++ b/src/main/java/com/loafle/overflow/crawler/config/QueryInfo.java
@@ -7,7 +7,7 @@ import java.util.Map;
  */
 public class QueryInfo {
     private String query;
-    private Map<String,String> extend;
+    private Map<String,Object> extend;
 
     public String getQuery() {
         return query;
@@ -17,11 +17,11 @@ public class QueryInfo {
         this.query = query;
     }
 
-    public Map<String, String> getExtend() {
+    public Map<String, Object> getExtend() {
         return extend;
     }
 
-    public void setExtend(Map<String, String> extend) {
+    public void setExtend(Map<String, Object> extend) {
         this.extend = extend;
     }
 }