diff --git a/go/greptime/v1/database.pb.go b/go/greptime/v1/database.pb.go
index d865180..19e03bd 100644
--- a/go/greptime/v1/database.pb.go
+++ b/go/greptime/v1/database.pb.go
@@ -29,8 +29,8 @@ type RequestHeader struct {
 	Catalog string `protobuf:"bytes,1,opt,name=catalog,proto3" json:"catalog,omitempty"`
 	// The `schema` that is selected to be used in this request.
 	Schema string `protobuf:"bytes,2,opt,name=schema,proto3" json:"schema,omitempty"`
-	// The `authorization` header string, much like http's authorization header.
-	Authorization string `protobuf:"bytes,3,opt,name=authorization,proto3" json:"authorization,omitempty"`
+	// The `authorization` header, much like http's authorization header.
+	Authorization *AuthHeader `protobuf:"bytes,3,opt,name=authorization,proto3" json:"authorization,omitempty"`
 }
 
 func (x *RequestHeader) Reset() {
@@ -79,10 +79,193 @@ func (x *RequestHeader) GetSchema() string {
 	return ""
 }
 
-func (x *RequestHeader) GetAuthorization() string {
+func (x *RequestHeader) GetAuthorization() *AuthHeader {
 	if x != nil {
 		return x.Authorization
 	}
+	return nil
+}
+
+type AuthHeader struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Types that are assignable to AuthScheme:
+	//
+	//	*AuthHeader_Basic
+	//	*AuthHeader_Token
+	AuthScheme isAuthHeader_AuthScheme `protobuf_oneof:"auth_scheme"`
+}
+
+func (x *AuthHeader) Reset() {
+	*x = AuthHeader{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_database_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AuthHeader) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AuthHeader) ProtoMessage() {}
+
+func (x *AuthHeader) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_database_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AuthHeader.ProtoReflect.Descriptor instead.
+func (*AuthHeader) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{1}
+}
+
+func (m *AuthHeader) GetAuthScheme() isAuthHeader_AuthScheme {
+	if m != nil {
+		return m.AuthScheme
+	}
+	return nil
+}
+
+func (x *AuthHeader) GetBasic() *Basic {
+	if x, ok := x.GetAuthScheme().(*AuthHeader_Basic); ok {
+		return x.Basic
+	}
+	return nil
+}
+
+func (x *AuthHeader) GetToken() *Token {
+	if x, ok := x.GetAuthScheme().(*AuthHeader_Token); ok {
+		return x.Token
+	}
+	return nil
+}
+
+type isAuthHeader_AuthScheme interface {
+	isAuthHeader_AuthScheme()
+}
+
+type AuthHeader_Basic struct {
+	Basic *Basic `protobuf:"bytes,1,opt,name=basic,proto3,oneof"`
+}
+
+type AuthHeader_Token struct {
+	Token *Token `protobuf:"bytes,2,opt,name=token,proto3,oneof"`
+}
+
+func (*AuthHeader_Basic) isAuthHeader_AuthScheme() {}
+
+func (*AuthHeader_Token) isAuthHeader_AuthScheme() {}
+
+type Basic struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Username string `protobuf:"bytes,1,opt,name=username,proto3" json:"username,omitempty"`
+	Password string `protobuf:"bytes,2,opt,name=password,proto3" json:"password,omitempty"`
+}
+
+func (x *Basic) Reset() {
+	*x = Basic{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_database_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Basic) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Basic) ProtoMessage() {}
+
+func (x *Basic) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_database_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Basic.ProtoReflect.Descriptor instead.
+func (*Basic) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *Basic) GetUsername() string {
+	if x != nil {
+		return x.Username
+	}
+	return ""
+}
+
+func (x *Basic) GetPassword() string {
+	if x != nil {
+		return x.Password
+	}
+	return ""
+}
+
+type Token struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Token string `protobuf:"bytes,1,opt,name=token,proto3" json:"token,omitempty"`
+}
+
+func (x *Token) Reset() {
+	*x = Token{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_greptime_v1_database_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Token) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Token) ProtoMessage() {}
+
+func (x *Token) ProtoReflect() protoreflect.Message {
+	mi := &file_greptime_v1_database_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Token.ProtoReflect.Descriptor instead.
+func (*Token) Descriptor() ([]byte, []int) {
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Token) GetToken() string {
+	if x != nil {
+		return x.Token
+	}
 	return ""
 }
 
@@ -103,7 +286,7 @@ type GreptimeRequest struct {
 func (x *GreptimeRequest) Reset() {
 	*x = GreptimeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[1]
+		mi := &file_greptime_v1_database_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -116,7 +299,7 @@ func (x *GreptimeRequest) String() string {
 func (*GreptimeRequest) ProtoMessage() {}
 
 func (x *GreptimeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[1]
+	mi := &file_greptime_v1_database_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -129,7 +312,7 @@ func (x *GreptimeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GreptimeRequest.ProtoReflect.Descriptor instead.
 func (*GreptimeRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{1}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *GreptimeRequest) GetHeader() *RequestHeader {
@@ -204,7 +387,7 @@ type QueryRequest struct {
 func (x *QueryRequest) Reset() {
 	*x = QueryRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[2]
+		mi := &file_greptime_v1_database_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -217,7 +400,7 @@ func (x *QueryRequest) String() string {
 func (*QueryRequest) ProtoMessage() {}
 
 func (x *QueryRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[2]
+	mi := &file_greptime_v1_database_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -230,7 +413,7 @@ func (x *QueryRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use QueryRequest.ProtoReflect.Descriptor instead.
 func (*QueryRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{2}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{5}
 }
 
 func (m *QueryRequest) GetQuery() isQueryRequest_Query {
@@ -289,7 +472,7 @@ type InsertRequest struct {
 func (x *InsertRequest) Reset() {
 	*x = InsertRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[3]
+		mi := &file_greptime_v1_database_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -302,7 +485,7 @@ func (x *InsertRequest) String() string {
 func (*InsertRequest) ProtoMessage() {}
 
 func (x *InsertRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[3]
+	mi := &file_greptime_v1_database_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -315,7 +498,7 @@ func (x *InsertRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InsertRequest.ProtoReflect.Descriptor instead.
 func (*InsertRequest) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{3}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *InsertRequest) GetTableName() string {
@@ -357,7 +540,7 @@ type AffectedRows struct {
 func (x *AffectedRows) Reset() {
 	*x = AffectedRows{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[4]
+		mi := &file_greptime_v1_database_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -370,7 +553,7 @@ func (x *AffectedRows) String() string {
 func (*AffectedRows) ProtoMessage() {}
 
 func (x *AffectedRows) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[4]
+	mi := &file_greptime_v1_database_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -383,7 +566,7 @@ func (x *AffectedRows) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AffectedRows.ProtoReflect.Descriptor instead.
 func (*AffectedRows) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{4}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *AffectedRows) GetValue() uint32 {
@@ -404,7 +587,7 @@ type FlightMetadata struct {
 func (x *FlightMetadata) Reset() {
 	*x = FlightMetadata{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_greptime_v1_database_proto_msgTypes[5]
+		mi := &file_greptime_v1_database_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -417,7 +600,7 @@ func (x *FlightMetadata) String() string {
 func (*FlightMetadata) ProtoMessage() {}
 
 func (x *FlightMetadata) ProtoReflect() protoreflect.Message {
-	mi := &file_greptime_v1_database_proto_msgTypes[5]
+	mi := &file_greptime_v1_database_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -430,7 +613,7 @@ func (x *FlightMetadata) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FlightMetadata.ProtoReflect.Descriptor instead.
 func (*FlightMetadata) Descriptor() ([]byte, []int) {
-	return file_greptime_v1_database_proto_rawDescGZIP(), []int{5}
+	return file_greptime_v1_database_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *FlightMetadata) GetAffectedRows() *AffectedRows {
@@ -448,57 +631,72 @@ var file_greptime_v1_database_proto_rawDesc = []byte{
 	0x65, 0x70, 0x74, 0x69, 0x6d, 0x65, 0x2e, 0x76, 0x31, 0x1a, 0x15, 0x67, 0x72, 0x65, 0x70, 0x74,
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+	0x6f, 0x33,
 }
 
 var (
@@ -513,29 +711,35 @@ func file_greptime_v1_database_proto_rawDescGZIP() []byte {
 	return file_greptime_v1_database_proto_rawDescData
 }
 
-var file_greptime_v1_database_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_greptime_v1_database_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_greptime_v1_database_proto_goTypes = []interface{}{
 	(*RequestHeader)(nil),   // 0: greptime.v1.RequestHeader
-	(*GreptimeRequest)(nil), // 1: greptime.v1.GreptimeRequest
-	(*QueryRequest)(nil),    // 2: greptime.v1.QueryRequest
-	(*InsertRequest)(nil),   // 3: greptime.v1.InsertRequest
-	(*AffectedRows)(nil),    // 4: greptime.v1.AffectedRows
-	(*FlightMetadata)(nil),  // 5: greptime.v1.FlightMetadata
-	(*DdlRequest)(nil),      // 6: greptime.v1.DdlRequest
-	(*Column)(nil),          // 7: greptime.v1.Column
+	(*AuthHeader)(nil),      // 1: greptime.v1.AuthHeader
+	(*Basic)(nil),           // 2: greptime.v1.Basic
+	(*Token)(nil),           // 3: greptime.v1.Token
+	(*GreptimeRequest)(nil), // 4: greptime.v1.GreptimeRequest
+	(*QueryRequest)(nil),    // 5: greptime.v1.QueryRequest
+	(*InsertRequest)(nil),   // 6: greptime.v1.InsertRequest
+	(*AffectedRows)(nil),    // 7: greptime.v1.AffectedRows
+	(*FlightMetadata)(nil),  // 8: greptime.v1.FlightMetadata
+	(*DdlRequest)(nil),      // 9: greptime.v1.DdlRequest
+	(*Column)(nil),          // 10: greptime.v1.Column
 }
 var file_greptime_v1_database_proto_depIdxs = []int32{
-	0, // 0: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
-	3, // 1: greptime.v1.GreptimeRequest.insert:type_name -> greptime.v1.InsertRequest
-	2, // 2: greptime.v1.GreptimeRequest.query:type_name -> greptime.v1.QueryRequest
-	6, // 3: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
-	7, // 4: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
-	4, // 5: greptime.v1.FlightMetadata.affected_rows:type_name -> greptime.v1.AffectedRows
-	6, // [6:6] is the sub-list for method output_type
-	6, // [6:6] is the sub-list for method input_type
-	6, // [6:6] is the sub-list for extension type_name
-	6, // [6:6] is the sub-list for extension extendee
-	0, // [0:6] is the sub-list for field type_name
+	1,  // 0: greptime.v1.RequestHeader.authorization:type_name -> greptime.v1.AuthHeader
+	2,  // 1: greptime.v1.AuthHeader.basic:type_name -> greptime.v1.Basic
+	3,  // 2: greptime.v1.AuthHeader.token:type_name -> greptime.v1.Token
+	0,  // 3: greptime.v1.GreptimeRequest.header:type_name -> greptime.v1.RequestHeader
+	6,  // 4: greptime.v1.GreptimeRequest.insert:type_name -> greptime.v1.InsertRequest
+	5,  // 5: greptime.v1.GreptimeRequest.query:type_name -> greptime.v1.QueryRequest
+	9,  // 6: greptime.v1.GreptimeRequest.ddl:type_name -> greptime.v1.DdlRequest
+	10, // 7: greptime.v1.InsertRequest.columns:type_name -> greptime.v1.Column
+	7,  // 8: greptime.v1.FlightMetadata.affected_rows:type_name -> greptime.v1.AffectedRows
+	9,  // [9:9] is the sub-list for method output_type
+	9,  // [9:9] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_greptime_v1_database_proto_init() }
@@ -559,7 +763,7 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GreptimeRequest); i {
+			switch v := v.(*AuthHeader); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -571,7 +775,7 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*QueryRequest); i {
+			switch v := v.(*Basic); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -583,7 +787,7 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InsertRequest); i {
+			switch v := v.(*Token); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -595,7 +799,7 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AffectedRows); i {
+			switch v := v.(*GreptimeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -607,6 +811,42 @@ func file_greptime_v1_database_proto_init() {
 			}
 		}
 		file_greptime_v1_database_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QueryRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_database_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InsertRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_database_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AffectedRows); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_greptime_v1_database_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*FlightMetadata); i {
 			case 0:
 				return &v.state
@@ -620,11 +860,15 @@ func file_greptime_v1_database_proto_init() {
 		}
 	}
 	file_greptime_v1_database_proto_msgTypes[1].OneofWrappers = []interface{}{
+		(*AuthHeader_Basic)(nil),
+		(*AuthHeader_Token)(nil),
+	}
+	file_greptime_v1_database_proto_msgTypes[4].OneofWrappers = []interface{}{
 		(*GreptimeRequest_Insert)(nil),
 		(*GreptimeRequest_Query)(nil),
 		(*GreptimeRequest_Ddl)(nil),
 	}
-	file_greptime_v1_database_proto_msgTypes[2].OneofWrappers = []interface{}{
+	file_greptime_v1_database_proto_msgTypes[5].OneofWrappers = []interface{}{
 		(*QueryRequest_Sql)(nil),
 		(*QueryRequest_LogicalPlan)(nil),
 	}
@@ -634,7 +878,7 @@ func file_greptime_v1_database_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_greptime_v1_database_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   6,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/proto/greptime/v1/database.proto b/proto/greptime/v1/database.proto
index 7321565..0941f8b 100644
--- a/proto/greptime/v1/database.proto
+++ b/proto/greptime/v1/database.proto
@@ -14,8 +14,24 @@ message RequestHeader {
   string catalog = 1;
   // The `schema` that is selected to be used in this request.
   string schema = 2;
-  // The `authorization` header string, much like http's authorization header.
-  string authorization = 3;
+  // The `authorization` header, much like http's authorization header.
+  AuthHeader authorization = 3;
+}
+
+message AuthHeader {
+  oneof auth_scheme {
+    Basic basic = 1;
+    Token token = 2;
+  }
+}
+
+message Basic {
+  string username = 1;
+  string password = 2;
+}
+
+message Token {
+  string token = 1;
 }
 
 message GreptimeRequest {