diff --git a/templates/project/providers/otel/config.go.tpl b/templates/project/providers/otel/config.go.tpl
index cac6ae7..afd2782 100644
--- a/templates/project/providers/otel/config.go.tpl
+++ b/templates/project/providers/otel/config.go.tpl
@@ -1,35 +1,9 @@
 package otel
 
-import (
-	"git.ipao.vip/rogeecn/atom/container"
-	"git.ipao.vip/rogeecn/atom/utils/opt"
-)
-
-const DefaultPrefix = "OTEL"
-
-func DefaultProvider() container.ProviderContainer {
-	return container.ProviderContainer{
-		Provider: Provide,
-		Options: []opt.Option{
-			opt.Prefix(DefaultPrefix),
-		},
-	}
-}
-
-type Config struct {
-	ServiceName string
-	Version     string
-	Env         string
-
-	EndpointGRPC string
-	EndpointHTTP string
-	Token        string
-}
-package otel
-
 import (
 	"os"
 
+	"git.ipao.vip/rogeecn/atom"
 	"git.ipao.vip/rogeecn/atom/container"
 	"git.ipao.vip/rogeecn/atom/utils/opt"
 )
@@ -41,6 +15,7 @@ func DefaultProvider() container.ProviderContainer {
 		Provider: Provide,
 		Options: []opt.Option{
 			opt.Prefix(DefaultPrefix),
+			opt.Group(atom.GroupInitialName),
 		},
 	}
 }
diff --git a/templates/project/providers/otel/provider.go.tpl b/templates/project/providers/otel/provider.go.tpl
index 47e8931..0c61489 100644
--- a/templates/project/providers/otel/provider.go.tpl
+++ b/templates/project/providers/otel/provider.go.tpl
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"git.ipao.vip/rogeecn/atom/container"
+	"git.ipao.vip/rogeecn/atom/contracts"
 	"git.ipao.vip/rogeecn/atom/utils/opt"
 
 	"github.com/pkg/errors"
@@ -27,6 +28,11 @@ import (
 	"google.golang.org/grpc/encoding/gzip"
 )
 
+var (
+	Tracer trace.Tracer
+	Meter  metric.Meter
+)
+
 func Provide(opts ...opt.Option) error {
 	o := opt.New(opts...)
 	var config Config
@@ -34,7 +40,7 @@ func Provide(opts ...opt.Option) error {
 		return err
 	}
 	config.format()
-	return container.Container.Provide(func(ctx context.Context) (*OTEL, error) {
+	return container.Container.Provide(func(ctx context.Context) (contracts.Initial, error) {
 		o := &OTEL{
 			config: &config,
 		}
@@ -51,8 +57,8 @@ func Provide(opts ...opt.Option) error {
 			return o, errors.Wrapf(err, "Failed to create OpenTelemetry tracer provider")
 		}
 
-		o.Tracer = otel.Tracer(config.ServiceName)
-		o.Meter = otel.Meter(config.ServiceName)
+		Tracer = otel.Tracer(config.ServiceName)
+		Meter = otel.Meter(config.ServiceName)
 
 		return o, nil
 	}, o.DiOptions()...)
@@ -61,9 +67,6 @@ func Provide(opts ...opt.Option) error {
 type OTEL struct {
 	config *Config
 
-	Tracer trace.Tracer
-	Meter  metric.Meter
-
 	resource *resource.Resource
 }