diff --git a/README.md b/README.md
index fe00372..4f77dc2 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,7 @@ plugins:
         enabled: true # default true
         enable_register: true # register metrics endpoint to etcd, default true
         registry_endpoints: ["your.own.registry.addr:port"]
-        server_owner: # server owners seperated by ;.
+        server_owner: # server owners separated by ;.
         client_histogram_buckets: [.005, .01, .1, .5, 1, 5] # optional config for client histogram buckets(Requires incrementing values, with a maximum length of 10 elements, and the data type should be float64.）
         server_histogram_buckets: [.005, .01, .025, .05, .1, .25, .5, 1, 5] # optional config for server histogram buckets(Requires incrementing values, with a maximum length of 10 elements, and the data type should be float64.）
         disable_rpc_method_mapping: false # Optional configuration (default false). When set to true, the original interface name will be reported as-is when reporting metrics.
@@ -140,8 +140,8 @@ plugins:
         enable_zpage:  false # Default false, when enabled, the processor exports span locally and can be viewed at /debug/tracez
 ```
 
-3. metrcs plugin setup
-default registerd to etcd cluster, can be turned off.
+3. metrics plugin setup
+default registered to etcd cluster, can be turned off.
 support prometheus gateway, require program sending delete request to push gateway before exit, add defer metric.DeletePrometheusPush() in main function, e.g.,
 ```go
 package main
diff --git a/go.mod b/go.mod
index 41fa8b9..ff7a573 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,6 @@ go 1.18
 
 require (
 	github.com/cenkalti/backoff/v4 v4.2.1
-	github.com/golang/protobuf v1.5.3
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0
 	github.com/guillermo/go.procmeminfo v0.0.0-20131127224636-be4355a9fb0e
 	github.com/json-iterator/go v1.1.12
@@ -45,6 +44,7 @@ require (
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/btree v1.0.1 // indirect
 	github.com/gorilla/websocket v1.4.2 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
diff --git a/oteltrpc/README_cn.md b/oteltrpc/README_cn.md
index 7f57297..9f47356 100644
--- a/oteltrpc/README_cn.md
+++ b/oteltrpc/README_cn.md
@@ -16,7 +16,7 @@
     * caller_service: 主调方服务名，取msg.CallerServiceName()
     * caller_method: 主调方方法名，取msg.CallerMethod()
     * callee_service: 被调方服务名，取msg.CalleeServiceName()
-    * callee_method: 被调方方法名，取msg.CalleMethod()
+    * callee_method: 被调方方法名，取msg.CalleeMethod()
 
 ### 被调
 
@@ -108,7 +108,7 @@
 * tps.tenant.id: 租户id
 * telemetry.sdk.language: SDK语言，hardcode "go"
 * telemetry.sdk.name: SDK名, hardcode "opentelemetry"
-* service.name(optional): service名，trpc.yaml中第一个serivce的name
+* service.name(optional): service名，trpc.yaml中第一个service的name
 
 
 #### common attributes
diff --git a/oteltrpc/metrics/prometheus/filter.go b/oteltrpc/metrics/prometheus/filter.go
index 0d0a37e..9282f01 100644
--- a/oteltrpc/metrics/prometheus/filter.go
+++ b/oteltrpc/metrics/prometheus/filter.go
@@ -128,7 +128,7 @@ func calcMetaDataSize(md codec.MetaData) int {
 // monitorRequestSize monitor request size
 func monitorRequestSize(req interface{}, md codec.MetaData) {
 	ObserveRequestBodyBytes(calcBodySize(req))
-	ObserveRequestMataDataBytes(calcMetaDataSize(md))
+	ObserveRequestMetaDataBytes(calcMetaDataSize(md))
 }
 
 type serverFilterOption struct {
diff --git a/oteltrpc/metrics/prometheus/metrics.go b/oteltrpc/metrics/prometheus/metrics.go
index 9aeaeb5..2054e2b 100644
--- a/oteltrpc/metrics/prometheus/metrics.go
+++ b/oteltrpc/metrics/prometheus/metrics.go
@@ -50,7 +50,7 @@ var (
 
 	requestMetaDataBodyBytes = promauto.NewHistogram(prometheus.HistogramOpts{
 		Subsystem: "rpc",
-		Name:      "request_matadata_bytes",
+		Name:      "request_metadata_bytes",
 		Help:      "Request Metadata Bytes",
 		Buckets:   []float64{1024, 10240, 102400, 1024_000, 10240_000},
 	})
@@ -83,8 +83,8 @@ func ObserveRequestBodyBytes(s int) {
 	requestBodyBytes.Observe(float64(s))
 }
 
-// ObserveRequestMataDataBytes observe request metadata bytes
-func ObserveRequestMataDataBytes(s int) {
+// ObserveRequestMetaDataBytes observe request metadata bytes
+func ObserveRequestMetaDataBytes(s int) {
 	requestMetaDataBodyBytes.Observe(float64(s))
 }
 
diff --git a/otelzap/writer.go b/otelzap/writer.go
index 88e8f4f..8a4a55f 100644
--- a/otelzap/writer.go
+++ b/otelzap/writer.go
@@ -21,7 +21,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	v1proto "github.com/golang/protobuf/proto"
 	jsoniter "github.com/json-iterator/go"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/sdk/resource"
@@ -29,6 +28,7 @@ import (
 	logsproto "go.opentelemetry.io/proto/otlp/logs/v1"
 	resourceproto "go.opentelemetry.io/proto/otlp/resource/v1"
 	"go.uber.org/zap/zapcore"
+	"google.golang.org/protobuf/proto"
 
 	"trpc-system/go-opentelemetry/pkg/metrics"
 	sdklog "trpc-system/go-opentelemetry/sdk/log"
@@ -472,7 +472,7 @@ func (bp *BatchWriteSyncer) shouldProcessInBatch() bool {
 
 // calcLogSize calculates the packet size of a ScopeLogs
 func calcLogSize(sl *logsproto.ScopeLogs) int {
-	return v1proto.Size(sl)
+	return proto.Size(sl)
 }
 
 // BatchSyncerOption apply changes to internalOptions.
diff --git a/otelzap/zap_benchmark_test.go b/otelzap/zap_benchmark_test.go
index 8cf303c..1b0dd59 100644
--- a/otelzap/zap_benchmark_test.go
+++ b/otelzap/zap_benchmark_test.go
@@ -21,9 +21,8 @@ import (
 	sdklog "trpc-system/go-opentelemetry/sdk/log"
 
 	"go.uber.org/zap"
-
-	"github.com/golang/protobuf/proto"
 	"go.uber.org/zap/zapcore"
+	"google.golang.org/protobuf/proto"
 
 	commonproto "go.opentelemetry.io/proto/otlp/common/v1"
 	logsproto "go.opentelemetry.io/proto/otlp/logs/v1"
diff --git a/sdk/metric/config.go b/sdk/metric/config.go
index 07184e7..f8d5db5 100644
--- a/sdk/metric/config.go
+++ b/sdk/metric/config.go
@@ -104,7 +104,6 @@ func newTLSConfig(tlsCert TLSCert) *tls.Config {
 			Certificates: []tls.Certificate{cert},
 			RootCAs:      caCertPool,
 		}
-		tlsConfig.BuildNameToCertificate()
 		return tlsConfig
 	}
 	return nil
diff --git a/sdk/remote/configurator.go b/sdk/remote/configurator.go
index 85db779..530b727 100644
--- a/sdk/remote/configurator.go
+++ b/sdk/remote/configurator.go
@@ -23,6 +23,7 @@ import (
 	"time"
 
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/metadata"
 
 	"trpc-system/go-opentelemetry/pkg/protocol/opentelemetry-ext/proto/operation"
@@ -84,7 +85,7 @@ func (rc *remoteConfigurator) syncDaemon() {
 
 func (rc *remoteConfigurator) sync() {
 	if rc.client == nil {
-		cc, err := grpc.Dial(rc.remoteServiceAddr, grpc.WithInsecure())
+		cc, err := grpc.Dial(rc.remoteServiceAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 		if err != nil {
 			if rc.debug {
 				log.Printf("opentelemetry: remote dial err:%v", err)
diff --git a/sdk/trace/dyeing_sampler.go b/sdk/trace/dyeing_sampler.go
index c33251b..a547ecf 100644
--- a/sdk/trace/dyeing_sampler.go
+++ b/sdk/trace/dyeing_sampler.go
@@ -27,6 +27,7 @@ import (
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
 	"go.opentelemetry.io/otel/trace"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 	"google.golang.org/grpc/metadata"
 
 	"trpc-system/go-opentelemetry/pkg/protocol/opentelemetry-ext/proto/sampler"
@@ -149,7 +150,7 @@ func (ws *Sampler) updateDyeingMetadataDaemon() {
 
 func (ws *Sampler) updateDyeingMetadata() {
 	if ws.client == nil {
-		cc, err := grpc.Dial(ws.samplerConfig.SamplerServiceAddr, grpc.WithInsecure())
+		cc, err := grpc.Dial(ws.samplerConfig.SamplerServiceAddr, grpc.WithTransportCredentials(insecure.NewCredentials()))
 		if err != nil {
 			return
 		}
diff --git a/sdk/trace/noop.go b/sdk/trace/noop.go
index 33e0e7e..63bfbc9 100644
--- a/sdk/trace/noop.go
+++ b/sdk/trace/noop.go
@@ -21,7 +21,7 @@ import (
 
 // NoopTracerProvider implementation a tracer provider that will do nothing
 // use code lines blow to set a noop tracer
-// otel.SetTracerProvider(NooTracerProvider)
+// otel.SetTracerProvider(NoopTracerProvider)
 var NoopTracerProvider = trace.NewNoopTracerProvider()
 
 // SetNoopTracerProvider set the global trace provider as noop
diff --git a/tag.sh b/tag.sh
index 180d504..4955950 100755
--- a/tag.sh
+++ b/tag.sh
@@ -47,7 +47,7 @@ if [ "${COMMIT_FOUND}" != "${COMMIT_HASH}" ] ; then
 	exit -1
 fi
 
-# Check if the tag doesn't alread exists.
+# Check if the tag doesn't already exists.
 TAG_FOUND=`git tag --list ${TAG}`
 if [ "${TAG_FOUND}" = "${TAG}" ] ; then
 	printf "Tag ${TAG} already exists\n"