diff --git a/src/main/java/com/loafle/overflow/crawler/mongo/MongoCrawler.java b/src/main/java/com/loafle/overflow/crawler/mongo/MongoCrawler.java
index ac1595d..892bb7a 100644
--- a/src/main/java/com/loafle/overflow/crawler/mongo/MongoCrawler.java
+++ b/src/main/java/com/loafle/overflow/crawler/mongo/MongoCrawler.java
@@ -1,6 +1,7 @@
 package com.loafle.overflow.crawler.mongo;
 
 import com.loafle.overflow.crawler.Crawler;
+import com.loafle.overflow.crawler.config.Config;
 import com.mongodb.MongoClient;
 import com.mongodb.client.MongoDatabase;
 import org.bson.Document;
@@ -39,9 +40,10 @@ public class MongoCrawler extends Crawler {
     }
 
     @Override
-    public Object getInternal(Map<String, Object> map) throws Exception {
-        Map<String ,Object> re = collectMetric((String) map.get("ip"), (String)map.get("port"), (String)map.get("dbName"));
-        System.out.println("re = " + re);
-        return re;
+    public Object getInternal(Config config) throws Exception {
+        //Map<String ,Object> re = collectMetric((String) map.get("ip"), (String)map.get("port"), (String)map.get("dbName"));
+        //System.out.println("re = " + re);
+        //return re;
+        return null;
     }
 }
\ No newline at end of file