diff --git a/IP-learning-graph/src/main/java/cn/ac/iie/service/ingestion/ReadHistoryArangoData.java b/IP-learning-graph/src/main/java/cn/ac/iie/service/ingestion/ReadHistoryArangoData.java
index a4541f9..8b51128 100644
--- a/IP-learning-graph/src/main/java/cn/ac/iie/service/ingestion/ReadHistoryArangoData.java
+++ b/IP-learning-graph/src/main/java/cn/ac/iie/service/ingestion/ReadHistoryArangoData.java
@@ -19,6 +19,7 @@ import static cn.ac.iie.service.ingestion.ReadClickhouseData.*;
  * @author wlh
  * 多线程全量读取arangoDb历史数据，封装到map
  */
+@SuppressWarnings("unchecked")
 public class ReadHistoryArangoData<T extends BaseDocument> extends Thread {
     private static final Logger LOG = LoggerFactory.getLogger(ReadHistoryArangoData.class);
 
@@ -84,7 +85,7 @@ public class ReadHistoryArangoData<T extends BaseDocument> extends Thread {
             for (String protocol : ReadClickhouseData.PROTOCOL_SET) {
                 String protocolRecent = protocol + "_CNT_RECENT";
                 ArrayList<Long> cntRecent = (ArrayList<Long>) doc.getAttribute(protocolRecent);
-                Long[] cntRecentsSrc = cntRecent.toArray(new Long[cntRecent.size()]);
+                Long[] cntRecentsSrc = cntRecent.toArray(new Long[0]);
                 Long[] cntRecentsDst = new Long[RECENT_COUNT_HOUR];
                 System.arraycopy(cntRecentsSrc, 0, cntRecentsDst, 1, cntRecentsSrc.length - 1);
                 cntRecentsDst[0] = 0L;
diff --git a/IP-learning-graph/src/main/java/cn/ac/iie/utils/ArangoDBConnect.java b/IP-learning-graph/src/main/java/cn/ac/iie/utils/ArangoDBConnect.java
index fd4d91e..1346ee3 100644
--- a/IP-learning-graph/src/main/java/cn/ac/iie/utils/ArangoDBConnect.java
+++ b/IP-learning-graph/src/main/java/cn/ac/iie/utils/ArangoDBConnect.java
@@ -16,6 +16,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.List;
 import java.util.Map;
 
 public class ArangoDBConnect {
@@ -71,7 +72,7 @@ public class ArangoDBConnect {
         }
     }
 
-    public <T> void overwrite(ArrayList<T> docOverwrite,String collectionName){
+    public <T> void overwrite(List<T> docOverwrite, String collectionName){
         ArangoDatabase database = getDatabase();
         try {
             ArangoCollection collection = database.collection(collectionName);
diff --git a/IP-learning-graph/src/test/java/cn/ac/iie/TestList.java b/IP-learning-graph/src/test/java/cn/ac/iie/TestList.java
index 83ce03c..d437595 100644
--- a/IP-learning-graph/src/test/java/cn/ac/iie/TestList.java
+++ b/IP-learning-graph/src/test/java/cn/ac/iie/TestList.java
@@ -1,10 +1,25 @@
 package cn.ac.iie;
 
+import cn.ac.iie.utils.ArangoDBConnect;
+import com.arangodb.ArangoCursor;
+import com.arangodb.entity.BaseEdgeDocument;
+
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
+import java.util.List;
 
 public class TestList {
     public static void main(String[] args) {
+        ArangoDBConnect arangoConnect = ArangoDBConnect.getInstance();
+        ArangoCursor<BaseEdgeDocument> documents = arangoConnect.executorQuery("FOR doc IN R_LOCATE_FQDN2IP filter doc.FIRST_FOUND_TIME >= 1596080839 and doc.FIRST_FOUND_TIME <= 1596395473  RETURN doc", BaseEdgeDocument.class);
+        List<BaseEdgeDocument> baseEdgeDocuments = documents.asListRemaining();
+        for (BaseEdgeDocument doc: baseEdgeDocuments){
+            doc.updateAttribute("PROTOCOL_TYPE","123");
+        }
+
+
+        /*
         ArrayList<Integer> integers = new ArrayList<>();
         integers.add(10);
         integers.add(8);
@@ -14,11 +29,17 @@ public class TestList {
         integers.add(4);
         integers.add(4);
         integers.add(12);
+
+        Integer[] objects = integers.toArray(new Integer[2]);
+        System.out.println(Arrays.toString(objects));
+
+
         Collections.sort(integers);
         System.out.println(integers);
         integers.add(5);
         Collections.sort(integers);
         System.out.println(integers);
         System.out.println(integers.indexOf(5));
+        */
     }
 }