diff --git a/api/gen/go/conf/v1/kratos_conf_middleware.pb.go b/api/gen/go/conf/v1/kratos_conf_middleware.pb.go
index 05e8632..7517846 100644
--- a/api/gen/go/conf/v1/kratos_conf_middleware.pb.go
+++ b/api/gen/go/conf/v1/kratos_conf_middleware.pb.go
@@ -25,14 +25,15 @@ const (
 // 中间件
 type Middleware struct {
 	state                protoimpl.MessageState  `protogen:"open.v1"`
-	EnableLogging        bool                    `protobuf:"varint,1,opt,name=enable_logging,json=enableLogging,proto3" json:"enable_logging,omitempty"`                        // 日志开关
-	EnableRecovery       bool                    `protobuf:"varint,2,opt,name=enable_recovery,json=enableRecovery,proto3" json:"enable_recovery,omitempty"`                     // 异常恢复
-	EnableTracing        bool                    `protobuf:"varint,3,opt,name=enable_tracing,json=enableTracing,proto3" json:"enable_tracing,omitempty"`                        // 链路追踪开关
-	EnableValidate       bool                    `protobuf:"varint,4,opt,name=enable_validate,json=enableValidate,proto3" json:"enable_validate,omitempty"`                     // 参数校验开关
-	EnableCircuitBreaker bool                    `protobuf:"varint,5,opt,name=enable_circuit_breaker,json=enableCircuitBreaker,proto3" json:"enable_circuit_breaker,omitempty"` // 熔断器
-	Limiter              *Middleware_RateLimiter `protobuf:"bytes,6,opt,name=limiter,proto3" json:"limiter,omitempty"`
-	Metrics              *Middleware_Metrics     `protobuf:"bytes,7,opt,name=metrics,proto3" json:"metrics,omitempty"`
-	Auth                 *Middleware_Auth        `protobuf:"bytes,8,opt,name=auth,proto3" json:"auth,omitempty"`
+	Limiter              *Middleware_RateLimiter `protobuf:"bytes,1,opt,name=limiter,proto3" json:"limiter,omitempty"`
+	Metrics              *Middleware_Metrics     `protobuf:"bytes,2,opt,name=metrics,proto3" json:"metrics,omitempty"`
+	Auth                 *Middleware_Auth        `protobuf:"bytes,3,opt,name=auth,proto3" json:"auth,omitempty"`
+	EnableLogging        bool                    `protobuf:"varint,10,opt,name=enable_logging,json=enableLogging,proto3" json:"enable_logging,omitempty"`                        // 日志开关
+	EnableRecovery       bool                    `protobuf:"varint,11,opt,name=enable_recovery,json=enableRecovery,proto3" json:"enable_recovery,omitempty"`                     // 异常恢复
+	EnableTracing        bool                    `protobuf:"varint,12,opt,name=enable_tracing,json=enableTracing,proto3" json:"enable_tracing,omitempty"`                        // 链路追踪开关
+	EnableValidate       bool                    `protobuf:"varint,13,opt,name=enable_validate,json=enableValidate,proto3" json:"enable_validate,omitempty"`                     // 参数校验开关
+	EnableCircuitBreaker bool                    `protobuf:"varint,14,opt,name=enable_circuit_breaker,json=enableCircuitBreaker,proto3" json:"enable_circuit_breaker,omitempty"` // 熔断器
+	EnableMetadata       bool                    `protobuf:"varint,15,opt,name=enable_metadata,json=enableMetadata,proto3" json:"enable_metadata,omitempty"`                     // 元数据
 	unknownFields        protoimpl.UnknownFields
 	sizeCache            protoimpl.SizeCache
 }
@@ -67,6 +68,27 @@ func (*Middleware) Descriptor() ([]byte, []int) {
 	return file_conf_v1_kratos_conf_middleware_proto_rawDescGZIP(), []int{0}
 }
 
+func (x *Middleware) GetLimiter() *Middleware_RateLimiter {
+	if x != nil {
+		return x.Limiter
+	}
+	return nil
+}
+
+func (x *Middleware) GetMetrics() *Middleware_Metrics {
+	if x != nil {
+		return x.Metrics
+	}
+	return nil
+}
+
+func (x *Middleware) GetAuth() *Middleware_Auth {
+	if x != nil {
+		return x.Auth
+	}
+	return nil
+}
+
 func (x *Middleware) GetEnableLogging() bool {
 	if x != nil {
 		return x.EnableLogging
@@ -102,25 +124,11 @@ func (x *Middleware) GetEnableCircuitBreaker() bool {
 	return false
 }
 
-func (x *Middleware) GetLimiter() *Middleware_RateLimiter {
+func (x *Middleware) GetEnableMetadata() bool {
 	if x != nil {
-		return x.Limiter
+		return x.EnableMetadata
 	}
-	return nil
-}
-
-func (x *Middleware) GetMetrics() *Middleware_Metrics {
-	if x != nil {
-		return x.Metrics
-	}
-	return nil
-}
-
-func (x *Middleware) GetAuth() *Middleware_Auth {
-	if x != nil {
-		return x.Auth
-	}
-	return nil
+	return false
 }
 
 // JWT校验
@@ -297,53 +305,55 @@ var file_conf_v1_kratos_conf_middleware_proto_rawDesc = string([]byte{
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+	0x6f, 0x50, 0x01, 0x5a, 0x34, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x74, 0x78, 0x37, 0x64, 0x6f, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2d, 0x62, 0x6f, 0x6f,
+	0x74, 0x73, 0x74, 0x72, 0x61, 0x70, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x67,
+	0x6f, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x2f, 0x76, 0x31, 0xa2, 0x02, 0x03, 0x43, 0x58, 0x58, 0xaa,
+	0x02, 0x04, 0x43, 0x6f, 0x6e, 0x66, 0xca, 0x02, 0x04, 0x43, 0x6f, 0x6e, 0x66, 0xe2, 0x02, 0x10,
+	0x43, 0x6f, 0x6e, 0x66, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+	0xea, 0x02, 0x04, 0x43, 0x6f, 0x6e, 0x66, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 })
 
 var (
diff --git a/api/protos/conf/v1/kratos_conf_middleware.proto b/api/protos/conf/v1/kratos_conf_middleware.proto
index e017614..e06d929 100644
--- a/api/protos/conf/v1/kratos_conf_middleware.proto
+++ b/api/protos/conf/v1/kratos_conf_middleware.proto
@@ -27,13 +27,14 @@ message Middleware {
     bool summary = 4; // 摘要
   }
 
-  bool enable_logging = 1; // 日志开关
-  bool enable_recovery = 2; // 异常恢复
-  bool enable_tracing = 3; // 链路追踪开关
-  bool enable_validate = 4; // 参数校验开关
-  bool enable_circuit_breaker = 5; // 熔断器
+  RateLimiter limiter = 1;
+  Metrics metrics = 2;
+  Auth auth = 3;
 
-  RateLimiter limiter = 6;
-  Metrics metrics = 7;
-  Auth auth = 8;
+  bool enable_logging = 10; // 日志开关
+  bool enable_recovery = 11; // 异常恢复
+  bool enable_tracing = 12; // 链路追踪开关
+  bool enable_validate = 13; // 参数校验开关
+  bool enable_circuit_breaker = 14; // 熔断器
+  bool enable_metadata = 15; // 元数据
 }
diff --git a/rpc/grpc.go b/rpc/grpc.go
index ecceb6a..58c723b 100644
--- a/rpc/grpc.go
+++ b/rpc/grpc.go
@@ -15,6 +15,7 @@ import (
 	"github.com/go-kratos/kratos/v2/registry"
 
 	"github.com/go-kratos/kratos/v2/middleware"
+	"github.com/go-kratos/kratos/v2/middleware/metadata"
 	midRateLimit "github.com/go-kratos/kratos/v2/middleware/ratelimit"
 	"github.com/go-kratos/kratos/v2/middleware/recovery"
 	"github.com/go-kratos/kratos/v2/middleware/tracing"
@@ -78,6 +79,9 @@ func initGrpcClientConfig(cfg *conf.Bootstrap, mds ...middleware.Middleware) []k
 		if cfg.Client.Grpc.Middleware.GetEnableValidate() {
 			ms = append(ms, validate.Validator())
 		}
+		if cfg.Client.Grpc.Middleware.GetEnableMetadata() {
+			ms = append(ms, metadata.Client())
+		}
 	}
 	options = append(options, kratosGrpc.WithMiddleware(ms...))
 
@@ -137,6 +141,9 @@ func initGrpcServerConfig(cfg *conf.Bootstrap, mds ...middleware.Middleware) []k
 			}
 			ms = append(ms, midRateLimit.Server(midRateLimit.WithLimiter(limiter)))
 		}
+		if cfg.Server.Grpc.Middleware.GetEnableMetadata() {
+			ms = append(ms, metadata.Server())
+		}
 	}
 	options = append(options, kratosGrpc.Middleware(ms...))
 
diff --git a/tag.bat b/tag.bat
index c953d26..bb3a15b 100644
--- a/tag.bat
+++ b/tag.bat
@@ -1,4 +1,4 @@
-git tag api/v0.0.12 --force
+git tag api/v0.0.13 --force
 
 git tag utils/v0.1.2 --force
 
@@ -7,7 +7,7 @@ git tag oss/minio/v0.0.8 --force
 git tag registry/v0.0.8 --force
 git tag config/v0.0.8 --force
 git tag logger/v0.0.8 --force
-git tag rpc/v0.0.9 --force
+git tag rpc/v0.0.10 --force
 git tag tracer/v0.0.8 --force
 
 git tag database/ent/v0.0.8 --force