diff --git a/oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/ColumnTypeEsMapping.java b/oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/ColumnTypeEsMapping.java
index 335a41484..958fcada0 100644
--- a/oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/ColumnTypeEsMapping.java
+++ b/oap-server/server-storage-plugin/storage-elasticsearch-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/elasticsearch/base/ColumnTypeEsMapping.java
@@ -36,7 +36,7 @@ public class ColumnTypeEsMapping implements DataTypeMapping {
         } else if (String.class.equals(type)) {
             return "keyword";
         } else if (IntKeyLongValueHashMap.class.equals(type)) {
-            return "keyword";
+            return "text";
         } else if (byte[].class.equals(type)) {
             return "binary";
         } else {