diff --git a/das/src/main/java/com/das/modules/node/service/impl/NodeMessageServiceImpl.java b/das/src/main/java/com/das/modules/node/service/impl/NodeMessageServiceImpl.java
index 290e977e..a7cb163f 100644
--- a/das/src/main/java/com/das/modules/node/service/impl/NodeMessageServiceImpl.java
+++ b/das/src/main/java/com/das/modules/node/service/impl/NodeMessageServiceImpl.java
@@ -261,7 +261,7 @@ public class NodeMessageServiceImpl extends TextWebSocketHandler implements Node
         }
         Iterator<String> archiveKeys = archiveValues.fieldNames();
         while (archiveKeys.hasNext()) {
-            String fieldName = keysHigh.next();
+            String fieldName = archiveKeys.next();
             String key = String.format("RT:%s:%s", deviceId, fieldName.toLowerCase());
             keyValueMap.put(key, values.get(fieldName));
             if (highKey.contains(fieldName)){