diff --git a/configs/milvus.yaml b/configs/milvus.yaml
index d8ab07a9d4..e3137c65b1 100644
--- a/configs/milvus.yaml
+++ b/configs/milvus.yaml
@@ -180,7 +180,7 @@ queryCoord:
   port: 19531
   autoHandoff: true # Enable auto handoff
   autoBalance: true # Enable auto balance
-  balancer: RowCountBasedBalancer # Balancer to use
+  balancer: ScoreBasedBalancer # Balancer to use
   globalRowCountFactor: 0.1 # expert parameters, only used by scoreBasedBalancer
   scoreUnbalanceTolerationFactor: 0.05 # expert parameters, only used by scoreBasedBalancer
   reverseUnBalanceTolerationFactor: 1.3 #expert parameters, only used by scoreBasedBalancer
diff --git a/internal/util/paramtable/component_param.go b/internal/util/paramtable/component_param.go
index 86c41243b3..d93e7f3f14 100644
--- a/internal/util/paramtable/component_param.go
+++ b/internal/util/paramtable/component_param.go
@@ -985,7 +985,7 @@ func (p *queryCoordConfig) initCheckNodeInReplicaInterval() {
 }
 
 func (p *queryCoordConfig) initBalancer() {
-	balancer := p.Base.LoadWithDefault("queryCoord.balancer", "RowCountBasedBalancer")
+	balancer := p.Base.LoadWithDefault("queryCoord.balancer", "ScoreBasedBalancer")
 	p.Balancer = balancer
 }