diff --git a/go-api/rgpb/rg.pb.go b/go-api/rgpb/rg.pb.go
index 2fda2c2..f56d5e4 100644
--- a/go-api/rgpb/rg.pb.go
+++ b/go-api/rgpb/rg.pb.go
@@ -120,7 +120,7 @@ type ResourceGroupNodeFilter struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	PreferNodeLabels []*commonpb.KeyValuePair `protobuf:"bytes,1,rep,name=prefer_node_labels,json=preferNodeLabels,proto3" json:"prefer_node_labels,omitempty"` // node in resource group must match node labels requirements
+	NodeLabels []*commonpb.KeyValuePair `protobuf:"bytes,1,rep,name=node_labels,json=nodeLabels,proto3" json:"node_labels,omitempty"` // node in resource group must match node labels requirements
 }
 
 func (x *ResourceGroupNodeFilter) Reset() {
@@ -155,9 +155,9 @@ func (*ResourceGroupNodeFilter) Descriptor() ([]byte, []int) {
 	return file_rg_proto_rawDescGZIP(), []int{2}
 }
 
-func (x *ResourceGroupNodeFilter) GetPreferNodeLabels() []*commonpb.KeyValuePair {
+func (x *ResourceGroupNodeFilter) GetNodeLabels() []*commonpb.KeyValuePair {
 	if x != nil {
-		return x.PreferNodeLabels
+		return x.NodeLabels
 	}
 	return nil
 }
@@ -171,7 +171,7 @@ type ResourceGroupConfig struct {
 	Limits       *ResourceGroupLimit      `protobuf:"bytes,2,opt,name=limits,proto3" json:"limits,omitempty"`                                 // limited node num in resource group, if node num is more than limits.nodeNum, it will be transfer to other resource group.
 	TransferFrom []*ResourceGroupTransfer `protobuf:"bytes,3,rep,name=transfer_from,json=transferFrom,proto3" json:"transfer_from,omitempty"` // missing node should be transfer from given resource group at high priority in repeated list.
 	TransferTo   []*ResourceGroupTransfer `protobuf:"bytes,4,rep,name=transfer_to,json=transferTo,proto3" json:"transfer_to,omitempty"`       // redundant node should be transfer to given resource group at high priority in repeated list.
-	NodeFilter   *ResourceGroupNodeFilter `protobuf:"bytes,5,opt,name=node_filter,json=nodeFilter,proto3" json:"node_filter,omitempty"`       // node in resource group must match node filters, otherwise node should be move out
+	NodeFilter   *ResourceGroupNodeFilter `protobuf:"bytes,5,opt,name=node_filter,json=nodeFilter,proto3" json:"node_filter,omitempty"`       // node in resource group must match node filters
 }
 
 func (x *ResourceGroupConfig) Reset() {
@@ -253,45 +253,44 @@ var file_rg_proto_rawDesc = []byte{
 	0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x54, 0x72, 0x61, 0x6e, 0x73,
 	0x66, 0x65, 0x72, 0x12, 0x25, 0x0a, 0x0e, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f,
 	0x67, 0x72, 0x6f, 0x75, 0x70, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x72, 0x65, 0x73,
-	0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x22, 0x6a, 0x0a, 0x17, 0x52, 0x65,
+	0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x22, 0x5d, 0x0a, 0x17, 0x52, 0x65,
 	0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x4e, 0x6f, 0x64, 0x65, 0x46,
-	0x69, 0x6c, 0x74, 0x65, 0x72, 0x12, 0x4f, 0x0a, 0x12, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x5f,
-	0x6e, 0x6f, 0x64, 0x65, 0x5f, 0x6c, 0x61, 0x62, 0x65, 0x6c, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28,
-	0x0b, 0x32, 0x21, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x4b, 0x65, 0x79, 0x56, 0x61, 0x6c, 0x75, 0x65,
-	0x50, 0x61, 0x69, 0x72, 0x52, 0x10, 0x70, 0x72, 0x65, 0x66, 0x65, 0x72, 0x4e, 0x6f, 0x64, 0x65,
-	0x4c, 0x61, 0x62, 0x65, 0x6c, 0x73, 0x22, 0xf4, 0x02, 0x0a, 0x13, 0x52, 0x65, 0x73, 0x6f, 0x75,
-	0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x3f,
-	0x0a, 0x08, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
-	0x32, 0x23, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e,
-	0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70,
-	0x4c, 0x69, 0x6d, 0x69, 0x74, 0x52, 0x08, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x73, 0x12,
-	0x3b, 0x0a, 0x06, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x23, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x72,
-	0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x4c,
-	0x69, 0x6d, 0x69, 0x74, 0x52, 0x06, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x73, 0x12, 0x4b, 0x0a, 0x0d,
-	0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x5f, 0x66, 0x72, 0x6f, 0x6d, 0x18, 0x03, 0x20,
-	0x03, 0x28, 0x0b, 0x32, 0x26, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f,
+	0x69, 0x6c, 0x74, 0x65, 0x72, 0x12, 0x42, 0x0a, 0x0b, 0x6e, 0x6f, 0x64, 0x65, 0x5f, 0x6c, 0x61,
+	0x62, 0x65, 0x6c, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x21, 0x2e, 0x6d, 0x69, 0x6c,
+	0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x2e, 0x4b, 0x65, 0x79, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x50, 0x61, 0x69, 0x72, 0x52, 0x0a, 0x6e,
+	0x6f, 0x64, 0x65, 0x4c, 0x61, 0x62, 0x65, 0x6c, 0x73, 0x22, 0xf4, 0x02, 0x0a, 0x13, 0x52, 0x65,
+	0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x67, 0x12, 0x3f, 0x0a, 0x08, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x73, 0x18, 0x01, 0x20,
+	0x01, 0x28, 0x0b, 0x32, 0x23, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72,
-	0x6f, 0x75, 0x70, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x52, 0x0c, 0x74, 0x72, 0x61,
-	0x6e, 0x73, 0x66, 0x65, 0x72, 0x46, 0x72, 0x6f, 0x6d, 0x12, 0x47, 0x0a, 0x0b, 0x74, 0x72, 0x61,
-	0x6e, 0x73, 0x66, 0x65, 0x72, 0x5f, 0x74, 0x6f, 0x18, 0x04, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x26,
-	0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x72, 0x67,
-	0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x54, 0x72,
-	0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x52, 0x0a, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72,
-	0x54, 0x6f, 0x12, 0x49, 0x0a, 0x0b, 0x6e, 0x6f, 0x64, 0x65, 0x5f, 0x66, 0x69, 0x6c, 0x74, 0x65,
-	0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72,
-	0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x4e, 0x6f, 0x64, 0x65, 0x46, 0x69, 0x6c, 0x74, 0x65,
-	0x72, 0x52, 0x0a, 0x6e, 0x6f, 0x64, 0x65, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72, 0x42, 0x70, 0x0a,
-	0x0e, 0x69, 0x6f, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x42,
-	0x12, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x50, 0x72,
-	0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
-	0x6d, 0x2f, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2d, 0x69, 0x6f, 0x2f, 0x6d, 0x69, 0x6c, 0x76,
-	0x75, 0x73, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2d, 0x61, 0x70, 0x69, 0x2f,
-	0x76, 0x32, 0x2f, 0x72, 0x67, 0x70, 0x62, 0xa0, 0x01, 0x01, 0xaa, 0x02, 0x12, 0x4d, 0x69, 0x6c,
-	0x76, 0x75, 0x73, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2e, 0x47, 0x72, 0x70, 0x63, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6f, 0x75, 0x70, 0x4c, 0x69, 0x6d, 0x69, 0x74, 0x52, 0x08, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x73, 0x12, 0x3b, 0x0a, 0x06, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x73, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x23, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f,
+	0x75, 0x70, 0x4c, 0x69, 0x6d, 0x69, 0x74, 0x52, 0x06, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x73, 0x12,
+	0x4b, 0x0a, 0x0d, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x5f, 0x66, 0x72, 0x6f, 0x6d,
+	0x18, 0x03, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x26, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63,
+	0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x52, 0x0c,
+	0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x46, 0x72, 0x6f, 0x6d, 0x12, 0x47, 0x0a, 0x0b,
+	0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x5f, 0x74, 0x6f, 0x18, 0x04, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x26, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75,
+	0x70, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x52, 0x0a, 0x74, 0x72, 0x61, 0x6e, 0x73,
+	0x66, 0x65, 0x72, 0x54, 0x6f, 0x12, 0x49, 0x0a, 0x0b, 0x6e, 0x6f, 0x64, 0x65, 0x5f, 0x66, 0x69,
+	0x6c, 0x74, 0x65, 0x72, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x6d, 0x69, 0x6c,
+	0x76, 0x75, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x72, 0x67, 0x2e, 0x52, 0x65, 0x73,
+	0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x4e, 0x6f, 0x64, 0x65, 0x46, 0x69,
+	0x6c, 0x74, 0x65, 0x72, 0x52, 0x0a, 0x6e, 0x6f, 0x64, 0x65, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72,
+	0x42, 0x70, 0x0a, 0x0e, 0x69, 0x6f, 0x2e, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x67, 0x72,
+	0x70, 0x63, 0x42, 0x12, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x47, 0x72, 0x6f, 0x75,
+	0x70, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2d, 0x69, 0x6f, 0x2f, 0x6d,
+	0x69, 0x6c, 0x76, 0x75, 0x73, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x6f, 0x2d, 0x61,
+	0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x72, 0x67, 0x70, 0x62, 0xa0, 0x01, 0x01, 0xaa, 0x02, 0x12,
+	0x4d, 0x69, 0x6c, 0x76, 0x75, 0x73, 0x2e, 0x43, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2e, 0x47, 0x72,
+	0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -315,7 +314,7 @@ var file_rg_proto_goTypes = []interface{}{
 	(*commonpb.KeyValuePair)(nil),   // 4: milvus.proto.common.KeyValuePair
 }
 var file_rg_proto_depIdxs = []int32{
-	4, // 0: milvus.proto.rg.ResourceGroupNodeFilter.prefer_node_labels:type_name -> milvus.proto.common.KeyValuePair
+	4, // 0: milvus.proto.rg.ResourceGroupNodeFilter.node_labels:type_name -> milvus.proto.common.KeyValuePair
 	0, // 1: milvus.proto.rg.ResourceGroupConfig.requests:type_name -> milvus.proto.rg.ResourceGroupLimit
 	0, // 2: milvus.proto.rg.ResourceGroupConfig.limits:type_name -> milvus.proto.rg.ResourceGroupLimit
 	1, // 3: milvus.proto.rg.ResourceGroupConfig.transfer_from:type_name -> milvus.proto.rg.ResourceGroupTransfer
diff --git a/proto/rg.proto b/proto/rg.proto
index d2db151..91a14f9 100644
--- a/proto/rg.proto
+++ b/proto/rg.proto
@@ -23,7 +23,7 @@ message ResourceGroupTransfer {
 }
 
 message ResourceGroupNodeFilter {
-  repeated common.KeyValuePair prefer_node_labels = 1; // node in resource group must match node labels requirements
+  repeated common.KeyValuePair node_labels = 1; // node in resource group must match node labels requirements
 }
   
 message ResourceGroupConfig {
@@ -31,5 +31,5 @@ message ResourceGroupConfig {
   ResourceGroupLimit limits = 2; // limited node num in resource group, if node num is more than limits.nodeNum, it will be transfer to other resource group.
   repeated ResourceGroupTransfer transfer_from = 3; // missing node should be transfer from given resource group at high priority in repeated list.
   repeated ResourceGroupTransfer transfer_to = 4; // redundant node should be transfer to given resource group at high priority in repeated list.
-  ResourceGroupNodeFilter node_filter = 5; // node in resource group must match node filters, otherwise node should be move out
+  ResourceGroupNodeFilter node_filter = 5; // node in resource group must match node filters
 }