diff --git a/.gitignore b/.gitignore
index c523002..0c52f0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,4 @@ config.yaml
 servicechecker
 *.protoset
 authn.yaml
+.idea
\ No newline at end of file
diff --git a/cmd/servicechecker/main.go b/cmd/servicechecker/main.go
index 0928ac9..fc40ce5 100644
--- a/cmd/servicechecker/main.go
+++ b/cmd/servicechecker/main.go
@@ -29,11 +29,8 @@ import (
 	"go.unistack.org/servicechecker/pkg/config"
 	"go.unistack.org/servicechecker/pkg/grpcconn"
 	"go.unistack.org/servicechecker/pkg/httpconn"
+	"go.unistack.org/servicechecker/pkg/protoset"
 	"go.unistack.org/servicechecker/pkg/scheduler"
-	"google.golang.org/protobuf/reflect/protodesc"
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/types/descriptorpb"
-	"google.golang.org/protobuf/types/dynamicpb"
 )
 
 var (
@@ -131,7 +128,7 @@ func main() {
 		client.Codec("application/grpc+json", jsonpbcodec.NewCodec()),
 		client.ContentType("application/grpc"),
 		client.Retries(0),
-	//	client.TLSConfig(&tls.Config{InsecureSkipVerify: true}),
+		//	client.TLSConfig(&tls.Config{InsecureSkipVerify: true}),
 	)
 	if err = gcli.Init(); err != nil {
 		l.Fatal(ctx, "failed to init grpc client", err)
@@ -144,7 +141,7 @@ func main() {
 		client.Codec("application/json", jsonpbcodec.NewCodec()),
 		client.ContentType("application/json"),
 		client.Retries(0),
-	//	client.TLSConfig(&tls.Config{InsecureSkipVerify: true}),
+		//	client.TLSConfig(&tls.Config{InsecureSkipVerify: true}),
 	)
 	if err = hcli.Init(); err != nil {
 		l.Fatal(ctx, "failed to init http client", err)
@@ -307,51 +304,28 @@ func newGRPCTask(ctx context.Context, l logger.Logger, m meter.Meter, check stri
 	var rsp interface{}
 	var treq client.Request
 	var labels []string
+	p := protoset.NewProtoSet()
 
 	if task.GRPC.Protoset != "" {
+		pkg, svc, mth := grpcconn.ServiceMethod(task.GRPC.Endpoint)
+
 		protosetBuf, err := os.ReadFile(task.GRPC.Protoset)
 		if err != nil {
 			l.Error(ctx, "failed to unmarshal protoset file", err)
 			return nil, nil, err
 		}
 
-		fdset := &descriptorpb.FileDescriptorSet{}
-		if err = protocodec.NewCodec().Unmarshal(protosetBuf, fdset); err != nil {
-			l.Error(ctx, "failed to unmarshal protoset file", err)
+		if err = p.AddProtoset(task.GRPC.Addr, svc, protosetBuf); err != nil {
+			l.Error(ctx, "failed add protoset", err)
 			return nil, nil, err
 		}
 
-		pfileoptions := protodesc.FileOptions{AllowUnresolvable: true}
-		pfiles, err := pfileoptions.NewFiles(fdset)
+		req, rsp, err = p.GetMessage(task.GRPC.Addr, pkg, svc, mth)
 		if err != nil {
-			l.Error(ctx, "failed to use protoset file", err)
+			l.Error(ctx, "failed get req, rsp from protoset", err)
 			return nil, nil, err
 		}
 
-		pkg, svc, mth := grpcconn.ServiceMethod(task.GRPC.Endpoint)
-		pdesc, err := pfiles.FindDescriptorByName(protoreflect.FullName(pkg + "." + svc))
-		if err != nil {
-			l.Error(ctx, "failed to find service "+pkg+"."+svc)
-			return nil, nil, err
-		}
-
-		sdesc, ok := pdesc.(protoreflect.ServiceDescriptor)
-		if !ok {
-			err = fmt.Errorf("failed to find service " + pkg + "." + svc)
-			l.Error(ctx, "unable to find service in protoset", err)
-			return nil, nil, err
-		}
-
-		mdesc := sdesc.Methods().ByName(protoreflect.Name(mth))
-		if mdesc == nil {
-			err = fmt.Errorf("unknown method " + mth)
-			l.Error(ctx, "failed to find method", err)
-			return nil, nil, err
-		}
-
-		req = dynamicpb.NewMessageType(mdesc.Input()).New()
-		rsp = dynamicpb.NewMessageType(mdesc.Output()).New()
-
 		if err = jsonpbcodec.NewCodec().Unmarshal([]byte(task.GRPC.Data), req); err != nil {
 			l.Error(ctx, "failed to unmarshal", err)
 			return nil, nil, err
diff --git a/go.mod b/go.mod
index e0d33ff..d284214 100644
--- a/go.mod
+++ b/go.mod
@@ -6,13 +6,13 @@ require (
 	github.com/go-co-op/gocron/v2 v2.12.3
 	github.com/google/gnostic v0.7.0
 	github.com/google/uuid v1.6.0
+	github.com/stretchr/testify v1.9.0
 	go.unistack.org/micro-client-grpc/v3 v3.11.10
 	go.unistack.org/micro-client-http/v3 v3.9.14
 	go.unistack.org/micro-codec-json/v3 v3.10.1
 	go.unistack.org/micro-codec-jsonpb/v3 v3.10.3
 	go.unistack.org/micro-codec-proto/v3 v3.10.2
 	go.unistack.org/micro-codec-yaml/v3 v3.10.2
-	go.unistack.org/micro-config-file/v3 v3.8.10
 	go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9
 	go.unistack.org/micro-proto/v3 v3.4.1
 	go.unistack.org/micro-server-http/v3 v3.11.34
@@ -21,9 +21,10 @@ require (
 )
 
 require (
-	dario.cat/mergo v1.0.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
 	github.com/jonboulle/clockwork v0.4.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/valyala/fastrand v1.1.0 // indirect
 	github.com/valyala/histogram v1.2.0 // indirect
diff --git a/go.sum b/go.sum
index 1e96d97..34360c3 100644
--- a/go.sum
+++ b/go.sum
@@ -593,8 +593,6 @@ cloud.google.com/go/workflows v1.8.0/go.mod h1:ysGhmEajwZxGn1OhGOGKsTXc5PyxOc0vf
 cloud.google.com/go/workflows v1.9.0/go.mod h1:ZGkj1aFIOd9c8Gerkjjq7OW7I5+l6cSvT3ujaO/WwSA=
 cloud.google.com/go/workflows v1.10.0/go.mod h1:fZ8LmRmZQWacon9UCX1r/g/DfAXx5VcPALq2CxzdePw=
 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
-dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
-dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
 git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
@@ -910,8 +908,6 @@ go.unistack.org/micro-codec-proto/v3 v3.10.2 h1:9iUQjBjTsd/RgIqB5rAQMZE0CYWngoW9
 go.unistack.org/micro-codec-proto/v3 v3.10.2/go.mod h1:54e1jb6aLL9obJUwJjtVupE5zY4PugTcMSqWDhz9aC4=
 go.unistack.org/micro-codec-yaml/v3 v3.10.2 h1:02I9XzhaBHqZU8Vd5e2zhf8j4foJ4muPT/x4gdR6E4c=
 go.unistack.org/micro-codec-yaml/v3 v3.10.2/go.mod h1:A/tYj7x9CRhuin7WxeIvnuo8bMDrZYcJkogVYN8X7rU=
-go.unistack.org/micro-config-file/v3 v3.8.10 h1:/IyD/i6I7Ic8jCNq7ZsTpWT8sToNG14gIFkSVPxbNpY=
-go.unistack.org/micro-config-file/v3 v3.8.10/go.mod h1:w7uw5KxK3H2OrZwX4p0hQHbp9UzwDODYqJvdofySgxY=
 go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9 h1:ZXCS0eFiSdvcFYxpxV2Q77gfwAjpIRydwAEI1QBrwuQ=
 go.unistack.org/micro-meter-victoriametrics/v3 v3.8.9/go.mod h1:xODJQ0Nu/F8k34D/z2ITL91OskI/C674XCkugAxmc3Q=
 go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
diff --git a/pkg/protoset/protoset.go b/pkg/protoset/protoset.go
new file mode 100644
index 0000000..f87c778
--- /dev/null
+++ b/pkg/protoset/protoset.go
@@ -0,0 +1,84 @@
+package protoset
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+
+	protocodec "go.unistack.org/micro-codec-proto/v3"
+	"google.golang.org/protobuf/reflect/protodesc"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoregistry"
+	"google.golang.org/protobuf/types/descriptorpb"
+	"google.golang.org/protobuf/types/dynamicpb"
+)
+
+var errNotFound = errors.New("file descriptor not found")
+
+type ProtoSet struct {
+	mu    sync.Mutex
+	files map[string]*protoregistry.Files
+}
+
+func NewProtoSet() *ProtoSet {
+	return &ProtoSet{
+		mu:    sync.Mutex{},
+		files: make(map[string]*protoregistry.Files, 0),
+	}
+}
+
+func (p *ProtoSet) GetMessage(addr, pkg, svc, mth string) (protoreflect.Message, protoreflect.Message, error) {
+	if addr == "" || svc == "" || mth == "" || pkg == "" {
+		return nil, nil, errors.New("addr or service name is empty")
+	}
+	p.mu.Lock()
+	pfile, ok := p.files[addr+"|"+svc]
+	p.mu.Unlock()
+	if !ok || pfile == nil {
+		return nil, nil, errNotFound
+	}
+
+	pdesc, err := pfile.FindDescriptorByName(protoreflect.FullName(pkg + "." + svc))
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to find service %s.%s, err: %w", pkg, svc, err)
+	}
+
+	sdesc, ok := pdesc.(protoreflect.ServiceDescriptor)
+	if !ok {
+		return nil, nil, fmt.Errorf("failed to find service " + pkg + "." + svc)
+	}
+
+	mdesc := sdesc.Methods().ByName(protoreflect.Name(mth))
+	if mdesc == nil {
+		return nil, nil, fmt.Errorf("unknown method " + mth)
+	}
+
+	req := dynamicpb.NewMessageType(mdesc.Input()).New()
+	rsp := dynamicpb.NewMessageType(mdesc.Output()).New()
+
+	return req, rsp, nil
+}
+
+func (p *ProtoSet) AddProtoset(addr, svc string, data []byte) error {
+	fdset := &descriptorpb.FileDescriptorSet{}
+	if err := protocodec.NewCodec().Unmarshal(data, fdset); err != nil {
+		return fmt.Errorf("failed to unmarshal protoset file: %w", err)
+	}
+
+	pfileoptions := protodesc.FileOptions{AllowUnresolvable: true}
+	pfiles, err := pfileoptions.NewFiles(fdset)
+	if err != nil {
+		return fmt.Errorf("failed to use protoset file, err: %w", err)
+	}
+
+	p.mu.Lock()
+	p.files[addr+"|"+svc] = pfiles
+	p.mu.Unlock()
+
+	return nil
+}
+
+func (p *ProtoSet) AddReflection(ctx context.Context, service string, addr string) error {
+	return nil
+}
diff --git a/pkg/protoset/protoset_test.go b/pkg/protoset/protoset_test.go
new file mode 100644
index 0000000..f2b558b
--- /dev/null
+++ b/pkg/protoset/protoset_test.go
@@ -0,0 +1,49 @@
+package protoset
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestProtoSet_1(t *testing.T) {
+	p := NewProtoSet()
+	data, err := os.ReadFile("path to .protoset")
+	assert.Nil(t, err)
+
+	err = p.AddProtoset("localhost:9090", "CardService", data)
+	assert.Nil(t, err)
+
+	req, rsp, err := p.GetMessage("localhost:9090", "card_proto", "CardService", "GetCardList")
+	assert.Nil(t, err)
+	assert.NotNil(t, req)
+	assert.NotNil(t, rsp)
+	fmt.Printf("req: %v, rsp: %v \n", req, rsp)
+}
+
+func TestProtoSet_2_bad(t *testing.T) {
+	p := NewProtoSet()
+	data, err := os.ReadFile("path to .protoset")
+	assert.Nil(t, err)
+
+	err = p.AddProtoset("localhost:9090", "CardService", data)
+	assert.Nil(t, err)
+
+	req, rsp, err := p.GetMessage("localhost:9090", "card_proto", "Card", "GetCardList")
+	assert.Error(t, err)
+	assert.Nil(t, req)
+	assert.Nil(t, rsp)
+	fmt.Printf("req: %v, rsp: %v \n", req, rsp)
+}
+
+func TestProtoSet_3_not_found(t *testing.T) {
+	p := NewProtoSet()
+
+	req, rsp, err := p.GetMessage("localhost:9090", "card_proto", "CardService", "GetCardList")
+	assert.ErrorIs(t, err, errNotFound)
+	assert.Nil(t, req)
+	assert.Nil(t, rsp)
+	fmt.Printf("req: %v, rsp: %v \n", req, rsp)
+}