diff --git a/internal/proto/query_coordv2.proto b/internal/proto/query_coordv2.proto
new file mode 100644
index 0000000000..0f11a0d0e8
--- /dev/null
+++ b/internal/proto/query_coordv2.proto
@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package milvus.proto.queryv2;
+
+option go_package = "github.com/milvus-io/milvus/internal/proto/querypbv2";
+
+service QueryCoordV2{}
diff --git a/internal/proto/querypbv2/query_coordv2.pb.go b/internal/proto/querypbv2/query_coordv2.pb.go
new file mode 100644
index 0000000000..22cb6e946a
--- /dev/null
+++ b/internal/proto/querypbv2/query_coordv2.pb.go
@@ -0,0 +1,79 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: query_coordv2.proto
+
+package querypbv2
+
+import (
+	context "context"
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	grpc "google.golang.org/grpc"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+func init() { proto.RegisterFile("query_coordv2.proto", fileDescriptor_06e29c474dd8c71e) }
+
+var fileDescriptor_06e29c474dd8c71e = []byte{
+	// 117 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x12, 0x2e, 0x2c, 0x4d, 0x2d,
+	0xaa, 0x8c, 0x4f, 0xce, 0xcf, 0x2f, 0x4a, 0x29, 0x33, 0xd2, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17,
+	0x12, 0xc9, 0xcd, 0xcc, 0x29, 0x2b, 0x2d, 0x86, 0xf0, 0xf4, 0xc0, 0x2a, 0xca, 0x8c, 0x8c, 0xf8,
+	0xb8, 0x78, 0x02, 0x41, 0x4c, 0x67, 0x90, 0xda, 0x30, 0x23, 0x27, 0xb3, 0x28, 0x93, 0xf4, 0xcc,
+	0x92, 0x8c, 0xd2, 0x24, 0xbd, 0xe4, 0xfc, 0x5c, 0x7d, 0x88, 0x16, 0xdd, 0xcc, 0x7c, 0x28, 0x4b,
+	0x3f, 0x33, 0xaf, 0x24, 0xb5, 0x28, 0x2f, 0x31, 0x47, 0x1f, 0x6c, 0x8a, 0x3e, 0xd8, 0x94, 0x82,
+	0xa4, 0x32, 0xa3, 0x24, 0x36, 0xb0, 0x80, 0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x0f, 0x12, 0x44,
+	0x18, 0x7b, 0x00, 0x00, 0x00,
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// QueryCoordV2Client is the client API for QueryCoordV2 service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type QueryCoordV2Client interface {
+}
+
+type queryCoordV2Client struct {
+	cc *grpc.ClientConn
+}
+
+func NewQueryCoordV2Client(cc *grpc.ClientConn) QueryCoordV2Client {
+	return &queryCoordV2Client{cc}
+}
+
+// QueryCoordV2Server is the server API for QueryCoordV2 service.
+type QueryCoordV2Server interface {
+}
+
+// UnimplementedQueryCoordV2Server can be embedded to have forward compatible implementations.
+type UnimplementedQueryCoordV2Server struct {
+}
+
+func RegisterQueryCoordV2Server(s *grpc.Server, srv QueryCoordV2Server) {
+	s.RegisterService(&_QueryCoordV2_serviceDesc, srv)
+}
+
+var _QueryCoordV2_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "milvus.proto.queryv2.QueryCoordV2",
+	HandlerType: (*QueryCoordV2Server)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams:     []grpc.StreamDesc{},
+	Metadata:    "query_coordv2.proto",
+}
diff --git a/scripts/proto_gen_go.sh b/scripts/proto_gen_go.sh
index 6d6cca44ea..46e7d2d4e3 100755
--- a/scripts/proto_gen_go.sh
+++ b/scripts/proto_gen_go.sh
@@ -52,6 +52,8 @@ mkdir -p datapb
 mkdir -p querypb
 mkdir -p planpb
 
+mkdir -p querypbv2
+
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./commonpb common.proto
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./schemapb schema.proto
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./etcdpb etcd_meta.proto
@@ -67,5 +69,6 @@ ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grp
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./querypb query_coord.proto
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./planpb plan.proto
 ${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./segcorepb segcore.proto
+${protoc} --proto_path="${GOOGLE_PROTO_DIR}" --proto_path=. --go_out=plugins=grpc,paths=source_relative:./querypbv2 query_coordv2.proto
 
 popd