diff --git a/seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/serialize/ElasticsearchRowSerializer.java b/seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/serialize/ElasticsearchRowSerializer.java
index fe431677a91..d880cf8371c 100644
--- a/seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/serialize/ElasticsearchRowSerializer.java
+++ b/seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/serialize/ElasticsearchRowSerializer.java
@@ -38,7 +38,7 @@
 import java.util.Map;
 import java.util.function.Function;
 
-/** use in elasticsearch version >= 7.* */
+/** use in elasticsearch version >= 2.x and <= 8.x */
 public class ElasticsearchRowSerializer implements SeaTunnelRowSerializer {
     private final SeaTunnelRowType seaTunnelRowType;
     private final ObjectMapper objectMapper = new ObjectMapper();