diff --git a/internal/business/api/business_int.go b/internal/business/api/business_int.go
index 788653f..566cc24 100644
--- a/internal/business/api/business_int.go
+++ b/internal/business/api/business_int.go
@@ -8,6 +8,11 @@ import (
 
 type BusinessIntServer struct{}
 
+func (s *BusinessIntServer) MasterAuth(ctx context.Context, req *pb.MasterAuthReq) (*pb.Empty, error) {
+	//TODO implement me
+	return &pb.Empty{}, app.AuthApp.AuthMaster(ctx, req.MasterId)
+}
+
 func (*BusinessIntServer) Auth(ctx context.Context, req *pb.AuthReq) (*pb.Empty, error) {
 	return &pb.Empty{}, app.AuthApp.Auth(ctx, req.UserId, req.DeviceId, req.Token)
 }
diff --git a/internal/business/app/auth_app.go b/internal/business/app/auth_app.go
index 94baf4a..9d1b599 100644
--- a/internal/business/app/auth_app.go
+++ b/internal/business/app/auth_app.go
@@ -18,3 +18,8 @@ func (*authApp) SignIn(ctx context.Context, phoneNumber, code string, masterId,
 func (*authApp) Auth(ctx context.Context, userId, deviceId int64, token string) error {
 	return service.AuthService.Auth(ctx, userId, deviceId, token)
 }
+
+// AuthMaster 验证站长权限
+func (*authApp) AuthMaster(ctx context.Context, masterId string) error {
+	return service.AuthService.AuthMaster(ctx, masterId)
+}
diff --git a/internal/business/domain/user/service/auth.go b/internal/business/domain/user/service/auth.go
index 072255e..d7c91f2 100644
--- a/internal/business/domain/user/service/auth.go
+++ b/internal/business/domain/user/service/auth.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"gim/internal/business/comm/db"
+	"gim/internal/business/comm/utils"
 	"gim/internal/business/domain/user/model"
 	"gim/internal/business/domain/user/repo"
 	"gim/pkg/gerrors"
@@ -106,3 +107,19 @@ func (*authService) Auth(ctx context.Context, userId, deviceId int64, token stri
 	}
 	return nil
 }
+
+// AuthMaster 验证站长权限
+func (*authService) AuthMaster(ctx context.Context, masterId string) error {
+	master, err := repo.MasterRepo.Get(utils.StrToInt64(masterId))
+	if err != nil {
+		return err
+	}
+	if master == nil {
+		return gerrors.ErrMasterUnauthorized
+	}
+	packageExpireTime, _ := utils.StrToTime(master.PackageExpireTime)
+	if packageExpireTime < time.Now().Unix() {
+		return gerrors.ErrMasterUnauthorized
+	}
+	return nil
+}
diff --git a/pkg/gerrors/define.go b/pkg/gerrors/define.go
index c9f8c62..c4e4faa 100644
--- a/pkg/gerrors/define.go
+++ b/pkg/gerrors/define.go
@@ -6,9 +6,10 @@ import (
 )
 
 var (
-	ErrUnknown      = status.New(codes.Unknown, "服务器异常").Err() // 服务器未知错误
-	ErrUnauthorized = newError(10000, "请重新登录")
-	ErrBadRequest   = newError(10001, "请求参数错误")
+	ErrUnknown            = status.New(codes.Unknown, "服务器异常").Err() // 服务器未知错误
+	ErrUnauthorized       = newError(10000, "请重新登录")
+	ErrBadRequest         = newError(10001, "请求参数错误")
+	ErrMasterUnauthorized = newError(10002, "站长权限不足")
 
 	ErrBadCode         = newError(10010, "验证码错误")
 	ErrNotInGroup      = newError(10011, "用户没有在群组中")
diff --git a/pkg/interceptor/interceptor.go b/pkg/interceptor/interceptor.go
index 152415e..7500d5e 100644
--- a/pkg/interceptor/interceptor.go
+++ b/pkg/interceptor/interceptor.go
@@ -21,6 +21,10 @@ func NewInterceptor(name string, urlWhitelist map[string]int) grpc.UnaryServerIn
 		defer gerrors.LogPanic(name, ctx, req, info, &err)
 
 		md, _ := metadata.FromIncomingContext(ctx)
+		resp, err = handleMasterAuth(ctx, req, info, handler)
+		logger.Logger.Debug(name, zap.Any("method", info.FullMethod), zap.Any("md", md), zap.Any("req", req),
+			zap.Any("resp", resp), zap.Error(err))
+
 		resp, err = handleWithAuth(ctx, req, info, handler, urlWhitelist)
 		logger.Logger.Debug(name, zap.Any("method", info.FullMethod), zap.Any("md", md), zap.Any("req", req),
 			zap.Any("resp", resp), zap.Error(err))
@@ -62,3 +66,17 @@ func handleWithAuth(ctx context.Context, req interface{}, info *grpc.UnaryServer
 	}
 	return handler(ctx, req)
 }
+
+// handleMasterAuth 处理站长权限
+func handleMasterAuth(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	serverName := strings.Split(info.FullMethod, "/")[1]
+	if !strings.HasSuffix(serverName, "Int") {
+		masterId, err := grpclib.GetCtxMasterId(ctx)
+		_, err = rpc.GetBusinessIntClient().MasterAuth(ctx, &pb.MasterAuthReq{MasterId: masterId})
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return handler(ctx, req)
+}
diff --git a/pkg/pb/business.int.pb.go b/pkg/pb/business.int.pb.go
index d67d35f..d155d2d 100644
--- a/pkg/pb/business.int.pb.go
+++ b/pkg/pb/business.int.pb.go
@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.14.0
-// source: business.int.proto_back
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.20.0--rc1
+// source: business.int.proto
 
 package pb
 
@@ -24,6 +24,53 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+type MasterAuthReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MasterId string `protobuf:"bytes,1,opt,name=master_id,json=masterId,proto3" json:"master_id,omitempty"`
+}
+
+func (x *MasterAuthReq) Reset() {
+	*x = MasterAuthReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_business_int_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MasterAuthReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MasterAuthReq) ProtoMessage() {}
+
+func (x *MasterAuthReq) ProtoReflect() protoreflect.Message {
+	mi := &file_business_int_proto_msgTypes[0]
+	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 MasterAuthReq.ProtoReflect.Descriptor instead.
+func (*MasterAuthReq) Descriptor() ([]byte, []int) {
+	return file_business_int_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *MasterAuthReq) GetMasterId() string {
+	if x != nil {
+		return x.MasterId
+	}
+	return ""
+}
+
 type AuthReq struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -37,7 +84,7 @@ type AuthReq struct {
 func (x *AuthReq) Reset() {
 	*x = AuthReq{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_business_int_proto_msgTypes[0]
+		mi := &file_business_int_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -50,7 +97,7 @@ func (x *AuthReq) String() string {
 func (*AuthReq) ProtoMessage() {}
 
 func (x *AuthReq) ProtoReflect() protoreflect.Message {
-	mi := &file_business_int_proto_msgTypes[0]
+	mi := &file_business_int_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -63,7 +110,7 @@ func (x *AuthReq) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AuthReq.ProtoReflect.Descriptor instead.
 func (*AuthReq) Descriptor() ([]byte, []int) {
-	return file_business_int_proto_rawDescGZIP(), []int{0}
+	return file_business_int_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *AuthReq) GetUserId() int64 {
@@ -98,7 +145,7 @@ type GetUsersReq struct {
 func (x *GetUsersReq) Reset() {
 	*x = GetUsersReq{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_business_int_proto_msgTypes[1]
+		mi := &file_business_int_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -111,7 +158,7 @@ func (x *GetUsersReq) String() string {
 func (*GetUsersReq) ProtoMessage() {}
 
 func (x *GetUsersReq) ProtoReflect() protoreflect.Message {
-	mi := &file_business_int_proto_msgTypes[1]
+	mi := &file_business_int_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -124,7 +171,7 @@ func (x *GetUsersReq) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetUsersReq.ProtoReflect.Descriptor instead.
 func (*GetUsersReq) Descriptor() ([]byte, []int) {
-	return file_business_int_proto_rawDescGZIP(), []int{1}
+	return file_business_int_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *GetUsersReq) GetUserIds() map[int64]int32 {
@@ -145,7 +192,7 @@ type GetUsersResp struct {
 func (x *GetUsersResp) Reset() {
 	*x = GetUsersResp{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_business_int_proto_msgTypes[2]
+		mi := &file_business_int_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -158,7 +205,7 @@ func (x *GetUsersResp) String() string {
 func (*GetUsersResp) ProtoMessage() {}
 
 func (x *GetUsersResp) ProtoReflect() protoreflect.Message {
-	mi := &file_business_int_proto_msgTypes[2]
+	mi := &file_business_int_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -171,7 +218,7 @@ func (x *GetUsersResp) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetUsersResp.ProtoReflect.Descriptor instead.
 func (*GetUsersResp) Descriptor() ([]byte, []int) {
-	return file_business_int_proto_rawDescGZIP(), []int{2}
+	return file_business_int_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *GetUsersResp) GetUsers() map[int64]*User {
@@ -187,40 +234,45 @@ var file_business_int_proto_rawDesc = []byte{
 	0x0a, 0x12, 0x62, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73, 0x2e, 0x69, 0x6e, 0x74, 0x2e, 0x70,
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+	0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x03, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x1e, 0x0a, 0x05,
+	0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x08, 0x2e, 0x70, 0x62,
+	0x2e, 0x55, 0x73, 0x65, 0x72, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01,
+	0x32, 0xb4, 0x01, 0x0a, 0x0b, 0x42, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73, 0x49, 0x6e, 0x74,
+	0x12, 0x2a, 0x0a, 0x0a, 0x4d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x41, 0x75, 0x74, 0x68, 0x12, 0x11,
+	0x2e, 0x70, 0x62, 0x2e, 0x4d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x41, 0x75, 0x74, 0x68, 0x52, 0x65,
+	0x71, 0x1a, 0x09, 0x2e, 0x70, 0x62, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x12, 0x1e, 0x0a, 0x04,
+	0x41, 0x75, 0x74, 0x68, 0x12, 0x0b, 0x2e, 0x70, 0x62, 0x2e, 0x41, 0x75, 0x74, 0x68, 0x52, 0x65,
+	0x71, 0x1a, 0x09, 0x2e, 0x70, 0x62, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x12, 0x2a, 0x0a, 0x07,
+	0x47, 0x65, 0x74, 0x55, 0x73, 0x65, 0x72, 0x12, 0x0e, 0x2e, 0x70, 0x62, 0x2e, 0x47, 0x65, 0x74,
+	0x55, 0x73, 0x65, 0x72, 0x52, 0x65, 0x71, 0x1a, 0x0f, 0x2e, 0x70, 0x62, 0x2e, 0x47, 0x65, 0x74,
+	0x55, 0x73, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x12, 0x2d, 0x0a, 0x08, 0x47, 0x65, 0x74, 0x55,
+	0x73, 0x65, 0x72, 0x73, 0x12, 0x0f, 0x2e, 0x70, 0x62, 0x2e, 0x47, 0x65, 0x74, 0x55, 0x73, 0x65,
+	0x72, 0x73, 0x52, 0x65, 0x71, 0x1a, 0x10, 0x2e, 0x70, 0x62, 0x2e, 0x47, 0x65, 0x74, 0x55, 0x73,
+	0x65, 0x72, 0x73, 0x52, 0x65, 0x73, 0x70, 0x42, 0x0d, 0x5a, 0x0b, 0x67, 0x69, 0x6d, 0x2f, 0x70,
+	0x6b, 0x67, 0x2f, 0x70, 0x62, 0x2f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -235,30 +287,33 @@ func file_business_int_proto_rawDescGZIP() []byte {
 	return file_business_int_proto_rawDescData
 }
 
-var file_business_int_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_business_int_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_business_int_proto_goTypes = []interface{}{
-	(*AuthReq)(nil),      // 0: pb.AuthReq
-	(*GetUsersReq)(nil),  // 1: pb.GetUsersReq
-	(*GetUsersResp)(nil), // 2: pb.GetUsersResp
-	nil,                  // 3: pb.GetUsersReq.UserIdsEntry
-	nil,                  // 4: pb.GetUsersResp.UsersEntry
-	(*User)(nil),         // 5: pb.User
-	(*GetUserReq)(nil),   // 6: pb.GetUserReq
-	(*Empty)(nil),        // 7: pb.Empty
-	(*GetUserResp)(nil),  // 8: pb.GetUserResp
+	(*MasterAuthReq)(nil), // 0: pb.MasterAuthReq
+	(*AuthReq)(nil),       // 1: pb.AuthReq
+	(*GetUsersReq)(nil),   // 2: pb.GetUsersReq
+	(*GetUsersResp)(nil),  // 3: pb.GetUsersResp
+	nil,                   // 4: pb.GetUsersReq.UserIdsEntry
+	nil,                   // 5: pb.GetUsersResp.UsersEntry
+	(*User)(nil),          // 6: pb.User
+	(*GetUserReq)(nil),    // 7: pb.GetUserReq
+	(*Empty)(nil),         // 8: pb.Empty
+	(*GetUserResp)(nil),   // 9: pb.GetUserResp
 }
 var file_business_int_proto_depIdxs = []int32{
-	3, // 0: pb.GetUsersReq.user_ids:type_name -> pb.GetUsersReq.UserIdsEntry
-	4, // 1: pb.GetUsersResp.users:type_name -> pb.GetUsersResp.UsersEntry
-	5, // 2: pb.GetUsersResp.UsersEntry.value:type_name -> pb.User
-	0, // 3: pb.BusinessInt.Auth:input_type -> pb.AuthReq
-	6, // 4: pb.BusinessInt.GetUser:input_type -> pb.GetUserReq
-	1, // 5: pb.BusinessInt.GetUsers:input_type -> pb.GetUsersReq
-	7, // 6: pb.BusinessInt.Auth:output_type -> pb.Empty
-	8, // 7: pb.BusinessInt.GetUser:output_type -> pb.GetUserResp
-	2, // 8: pb.BusinessInt.GetUsers:output_type -> pb.GetUsersResp
-	6, // [6:9] is the sub-list for method output_type
-	3, // [3:6] is the sub-list for method input_type
+	4, // 0: pb.GetUsersReq.user_ids:type_name -> pb.GetUsersReq.UserIdsEntry
+	5, // 1: pb.GetUsersResp.users:type_name -> pb.GetUsersResp.UsersEntry
+	6, // 2: pb.GetUsersResp.UsersEntry.value:type_name -> pb.User
+	0, // 3: pb.BusinessInt.MasterAuth:input_type -> pb.MasterAuthReq
+	1, // 4: pb.BusinessInt.Auth:input_type -> pb.AuthReq
+	7, // 5: pb.BusinessInt.GetUser:input_type -> pb.GetUserReq
+	2, // 6: pb.BusinessInt.GetUsers:input_type -> pb.GetUsersReq
+	8, // 7: pb.BusinessInt.MasterAuth:output_type -> pb.Empty
+	8, // 8: pb.BusinessInt.Auth:output_type -> pb.Empty
+	9, // 9: pb.BusinessInt.GetUser:output_type -> pb.GetUserResp
+	3, // 10: pb.BusinessInt.GetUsers:output_type -> pb.GetUsersResp
+	7, // [7:11] is the sub-list for method output_type
+	3, // [3:7] is the sub-list for method input_type
 	3, // [3:3] is the sub-list for extension type_name
 	3, // [3:3] is the sub-list for extension extendee
 	0, // [0:3] is the sub-list for field type_name
@@ -273,7 +328,7 @@ func file_business_int_proto_init() {
 	file_business_ext_proto_init()
 	if !protoimpl.UnsafeEnabled {
 		file_business_int_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AuthReq); i {
+			switch v := v.(*MasterAuthReq); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -285,7 +340,7 @@ func file_business_int_proto_init() {
 			}
 		}
 		file_business_int_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetUsersReq); i {
+			switch v := v.(*AuthReq); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -297,6 +352,18 @@ func file_business_int_proto_init() {
 			}
 		}
 		file_business_int_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetUsersReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_business_int_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetUsersResp); i {
 			case 0:
 				return &v.state
@@ -315,7 +382,7 @@ func file_business_int_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_business_int_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -329,18 +396,17 @@ func file_business_int_proto_init() {
 	file_business_int_proto_depIdxs = nil
 }
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated comm
+// 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.SupportPackageIsVersion6
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
 
 // BusinessIntClient is the client API for BusinessInt service.
 //
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type BusinessIntClient interface {
+	// 站长权限校验
+	MasterAuth(ctx context.Context, in *MasterAuthReq, opts ...grpc.CallOption) (*Empty, error)
 	// 权限校验
 	Auth(ctx context.Context, in *AuthReq, opts ...grpc.CallOption) (*Empty, error)
 	// 批量获取用户信息
@@ -357,6 +423,15 @@ func NewBusinessIntClient(cc grpc.ClientConnInterface) BusinessIntClient {
 	return &businessIntClient{cc}
 }
 
+func (c *businessIntClient) MasterAuth(ctx context.Context, in *MasterAuthReq, opts ...grpc.CallOption) (*Empty, error) {
+	out := new(Empty)
+	err := c.cc.Invoke(ctx, "/pb.BusinessInt/MasterAuth", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *businessIntClient) Auth(ctx context.Context, in *AuthReq, opts ...grpc.CallOption) (*Empty, error) {
 	out := new(Empty)
 	err := c.cc.Invoke(ctx, "/pb.BusinessInt/Auth", in, out, opts...)
@@ -385,7 +460,11 @@ func (c *businessIntClient) GetUsers(ctx context.Context, in *GetUsersReq, opts
 }
 
 // BusinessIntServer is the server API for BusinessInt service.
+// All implementations must embed UnimplementedBusinessIntServer
+// for forward compatibility
 type BusinessIntServer interface {
+	// 站长权限校验
+	MasterAuth(context.Context, *MasterAuthReq) (*Empty, error)
 	// 权限校验
 	Auth(context.Context, *AuthReq) (*Empty, error)
 	// 批量获取用户信息
@@ -394,22 +473,43 @@ type BusinessIntServer interface {
 	GetUsers(context.Context, *GetUsersReq) (*GetUsersResp, error)
 }
 
-// UnimplementedBusinessIntServer can be embedded to have forward compatible implementations.
+// UnimplementedBusinessIntServer must be embedded to have forward compatible implementations.
 type UnimplementedBusinessIntServer struct {
 }
 
-func (*UnimplementedBusinessIntServer) Auth(context.Context, *AuthReq) (*Empty, error) {
+func (UnimplementedBusinessIntServer) MasterAuth(context.Context, *MasterAuthReq) (*Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method MasterAuth not implemented")
+}
+func (UnimplementedBusinessIntServer) Auth(context.Context, *AuthReq) (*Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Auth not implemented")
 }
-func (*UnimplementedBusinessIntServer) GetUser(context.Context, *GetUserReq) (*GetUserResp, error) {
+func (UnimplementedBusinessIntServer) GetUser(context.Context, *GetUserReq) (*GetUserResp, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetUser not implemented")
 }
-func (*UnimplementedBusinessIntServer) GetUsers(context.Context, *GetUsersReq) (*GetUsersResp, error) {
+func (UnimplementedBusinessIntServer) GetUsers(context.Context, *GetUsersReq) (*GetUsersResp, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetUsers not implemented")
 }
 
-func RegisterBusinessIntServer(s *grpc.Server, srv BusinessIntServer) {
-	s.RegisterService(&_BusinessInt_serviceDesc, srv)
+func RegisterBusinessIntServer(s grpc.ServiceRegistrar, srv BusinessIntServer) {
+	s.RegisterService(&BusinessInt_ServiceDesc, srv)
+}
+
+func _BusinessInt_MasterAuth_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MasterAuthReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BusinessIntServer).MasterAuth(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/pb.BusinessInt/MasterAuth",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BusinessIntServer).MasterAuth(ctx, req.(*MasterAuthReq))
+	}
+	return interceptor(ctx, in, info, handler)
 }
 
 func _BusinessInt_Auth_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
@@ -466,10 +566,17 @@ func _BusinessInt_GetUsers_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }
 
-var _BusinessInt_serviceDesc = grpc.ServiceDesc{
+// BusinessInt_ServiceDesc is the grpc.ServiceDesc for BusinessInt service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var BusinessInt_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "pb.BusinessInt",
 	HandlerType: (*BusinessIntServer)(nil),
 	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "MasterAuth",
+			Handler:    _BusinessInt_MasterAuth_Handler,
+		},
 		{
 			MethodName: "Auth",
 			Handler:    _BusinessInt_Auth_Handler,
@@ -484,5 +591,5 @@ var _BusinessInt_serviceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "business.int.proto_back",
+	Metadata: "business.int.proto",
 }
diff --git a/pkg/proto/business.int.proto b/pkg/proto/business.int.proto
index 95ac3e5..f8dc7c4 100644
--- a/pkg/proto/business.int.proto
+++ b/pkg/proto/business.int.proto
@@ -6,6 +6,8 @@ import "common.ext.proto";
 import "business.ext.proto";
 
 service BusinessInt {
+  // 站长权限校验
+  rpc MasterAuth (MasterAuthReq) returns (Empty);
   // 权限校验
   rpc Auth (AuthReq) returns (Empty);
   // 批量获取用户信息
@@ -14,6 +16,10 @@ service BusinessInt {
   rpc GetUsers (GetUsersReq) returns (GetUsersResp);
 }
 
+message MasterAuthReq {
+  string master_id = 1;
+}
+
 message AuthReq {
   int64 user_id = 1;
   int64 device_id = 2;