diff --git a/docs/en/changes/changes.md b/docs/en/changes/changes.md
index cc33e408d636c3ecd16f9c9ed78e843cd0c2f3af..bf8ed4a5e820f1732aa80aa9191e859f9c42c279 100644
--- a/docs/en/changes/changes.md
+++ b/docs/en/changes/changes.md
@@ -64,6 +64,7 @@
 * [Breaking Change] SQL Database: move `Tags list` from `Segment`,`Logs`,`Alarms` to their additional table.
 * [Breaking Change] Remove `total` field in Trace, Log, Event, Browser log, and alarm list query.
 * Support `OFF_CPU` eBPF Profiling.
+* Fix SumAggregationBuilder#build should use the SumAggregation rather than MaxAggregation.
 
 #### UI
 
diff --git a/oap-server/server-library/library-elasticsearch-client/src/main/java/org/apache/skywalking/library/elasticsearch/requests/search/aggregation/SumAggregationBuilder.java b/oap-server/server-library/library-elasticsearch-client/src/main/java/org/apache/skywalking/library/elasticsearch/requests/search/aggregation/SumAggregationBuilder.java
index b7a7f888838dec64a7ab193fbb20930d22a1995d..e949fd79e7a8fbb50ad3db8dddfdc2e64745be6f 100644
--- a/oap-server/server-library/library-elasticsearch-client/src/main/java/org/apache/skywalking/library/elasticsearch/requests/search/aggregation/SumAggregationBuilder.java
+++ b/oap-server/server-library/library-elasticsearch-client/src/main/java/org/apache/skywalking/library/elasticsearch/requests/search/aggregation/SumAggregationBuilder.java
@@ -37,7 +37,7 @@ public final class SumAggregationBuilder implements AggregationBuilder {
     }
 
     @Override
-    public MaxAggregation build() {
-        return new MaxAggregation(name, field);
+    public SumAggregation build() {
+        return new SumAggregation(name, field);
     }
 }