diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index 1494804e39..c8020619df 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -422,7 +422,7 @@ dataCoord:
     # During compaction, the size of segment # of rows is able to exceed segment max # of rows by (expansionRate-1) * 100%.
     expansionRate: 1.25
     # Whether to enable levelzero segment
-    enableLevelZero: false
+    enableLevelZero: true
   enableCompaction: true # Enable data segment compaction
   compaction:
     enableAutoCompaction: true
diff --git a/pkg/util/paramtable/component_param.go b/pkg/util/paramtable/component_param.go
index b76aa3fcfa..80295c4d54 100644
--- a/pkg/util/paramtable/component_param.go
+++ b/pkg/util/paramtable/component_param.go
@@ -2847,7 +2847,7 @@ During compaction, the size of segment # of rows is able to exceed segment max #
 		Key:          "dataCoord.segment.enableLevelZero",
 		Version:      "2.4.0",
 		Doc:          "Whether to enable LevelZeroCompaction",
-		DefaultValue: "false",
+		DefaultValue: "true",
 	}
 	p.EnableLevelZeroSegment.Init(base.mgr)