diff --git a/proto/es.proto b/proto/es.proto
new file mode 100644
index 0000000..bc9a659
--- /dev/null
+++ b/proto/es.proto
@@ -0,0 +1,21 @@
+syntax = "proto3";
+option go_package = "/pb";
+package pb;
+
+message EsMetrics {
+	string ID = 1;
+	EsMetricsToken token = 2;
+	bool cached = 3;
+	string ip = 4;
+	string model = 5;
+	string key = 6;
+	uint32 reqBytes = 7;
+	uint32 rspBytes = 8;
+	uint64 ts = 9;
+}
+
+message EsMetricsToken {
+	uint32 total = 1;
+	uint32 completion = 2;
+	uint32 prompt = 3;
+}
diff --git a/server/src/config/config.go b/server/src/config/config.go
index 3a2ff67..93e119d 100644
--- a/server/src/config/config.go
+++ b/server/src/config/config.go
@@ -13,4 +13,7 @@ var (
 	OpenAIBase = `https://api.openai.com`
 
 	OpenAIKey = ``
+
+	ESUser = ``
+	ESPass = ``
 )
diff --git a/server/src/config/init.go b/server/src/config/init.go
index 94e6ec7..cf86ec0 100644
--- a/server/src/config/init.go
+++ b/server/src/config/init.go
@@ -17,6 +17,8 @@ func init() {
 		`STATIC_DIR`:     &StaticDir,
 		`ORCA_WEB`:       &WebAddr,
 		`ORCA_LOG`:       &LogDir,
+		`ORCA_ES_USER`:   &ESUser,
+		`ORCA_ES_PASS`:   &ESPass,
 	}
 	for k, v := range list {
 		s := os.Getenv(k)
diff --git a/server/src/core/metrics.go b/server/src/core/metrics.go
index 50f3330..6c6b915 100644
--- a/server/src/core/metrics.go
+++ b/server/src/core/metrics.go
@@ -3,16 +3,20 @@ package core
 import (
 	"encoding/json"
 	"net/http"
+	"project/es"
 	"project/metrics"
 	"project/pb"
 	"project/util"
 	"project/zj"
 	"strings"
+
+	"github.com/zhengkai/zu"
 )
 
-func doMetrics(ab []byte, cached bool, r *http.Request) {
+func doMetrics(ab []byte, cached bool, r *http.Request, reqBytes int) {
 
-	metrics.RspBytes(len(ab))
+	rspBytes := len(ab)
+	metrics.RspBytes(rspBytes)
 
 	o := &pb.Rsp{}
 	err := json.Unmarshal(ab, o)
@@ -35,7 +39,8 @@ func doMetrics(ab []byte, cached bool, r *http.Request) {
 
 	metrics.RspTokenByModel(o.Model, u.TotalTokens)
 
-	metrics.RspTokenByKey(strings.TrimPrefix(r.Header.Get(`Authorization`), `Bearer `), u.TotalTokens)
+	key := strings.TrimPrefix(r.Header.Get(`Authorization`), `Bearer `)
+	metrics.RspTokenByKey(key, u.TotalTokens)
 
 	ip, err := util.GetIP(r)
 	sip := ip.String()
@@ -43,4 +48,21 @@ func doMetrics(ab []byte, cached bool, r *http.Request) {
 		sip = `unknown`
 	}
 	metrics.RspTokenByIP(sip, u.TotalTokens)
+
+	d := &pb.EsMetrics{
+		ID: o.Id,
+		Token: &pb.EsMetricsToken{
+			Total:      u.TotalTokens,
+			Completion: u.CompletionTokens,
+			Prompt:     u.PromptTokens,
+		},
+		Cached:   cached,
+		Ip:       sip,
+		Model:    o.Model,
+		Key:      key,
+		ReqBytes: uint32(reqBytes),
+		RspBytes: uint32(rspBytes),
+		Ts:       zu.MS(),
+	}
+	go es.Insert(d)
 }
diff --git a/server/src/core/web.go b/server/src/core/web.go
index 18fb369..23a7943 100644
--- a/server/src/core/web.go
+++ b/server/src/core/web.go
@@ -36,5 +36,5 @@ func (c *Core) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Header().Add(`Content-Type`, `application/json`)
 	w.Write(ab)
 
-	go doMetrics(ab, cached, r)
+	go doMetrics(ab, cached, r, len(p.Body))
 }
diff --git a/server/src/es/init.go b/server/src/es/init.go
new file mode 100644
index 0000000..96a9576
--- /dev/null
+++ b/server/src/es/init.go
@@ -0,0 +1,32 @@
+package es
+
+import (
+	"project/config"
+	"project/zj"
+
+	"github.com/elastic/go-elasticsearch/v8"
+)
+
+var theClient *elasticsearch.Client
+
+// Init ...
+func Init() (err error) {
+
+	theClient, err = elasticsearch.NewClient(elasticsearch.Config{
+		Username: config.ESUser,
+		Password: config.ESPass,
+	})
+	if err != nil {
+		return err
+	}
+
+	res, err := theClient.Info()
+	if err != nil {
+		return err
+	}
+	defer res.Body.Close()
+
+	zj.J(`elasticsearch`, res.String())
+
+	return
+}
diff --git a/server/src/es/insert.go b/server/src/es/insert.go
new file mode 100644
index 0000000..6a9a8bd
--- /dev/null
+++ b/server/src/es/insert.go
@@ -0,0 +1,31 @@
+package es
+
+import (
+	"bytes"
+	"encoding/json"
+	"project/pb"
+)
+
+// Insert ...
+func Insert(d *pb.EsMetrics) {
+
+	if theClient == nil {
+		return
+	}
+
+	ab, err := json.Marshal(d)
+	if err != nil {
+		return
+	}
+
+	// zj.J(string(ab))
+
+	// theClient.Create(`orca-metrics`, d.ID, bytes.NewReader(ab))
+
+	re, err := theClient.Index(`orca-metrics`, bytes.NewReader(ab))
+	if err != nil {
+		return
+	}
+	defer re.Body.Close()
+	// zj.J(re.String())
+}
diff --git a/server/src/es/test.go b/server/src/es/test.go
new file mode 100644
index 0000000..7f2f320
--- /dev/null
+++ b/server/src/es/test.go
@@ -0,0 +1,49 @@
+package es
+
+import (
+	"fmt"
+	"math/rand"
+	"project/pb"
+	"time"
+
+	"github.com/zhengkai/zu"
+)
+
+// Test ...
+func Test() {
+
+	for {
+
+		minute := time.Now().Minute() - 30
+		if minute < 0 {
+			minute = -minute
+		}
+		minute += 3
+
+		modelChoose := []string{
+			`gpt-3.5-turbo-0301`,
+			`gpt-4-0314`,
+			`text-embedding-ada-002-v2`,
+		}
+		model := modelChoose[rand.Intn(len(modelChoose))]
+
+		d := &pb.EsMetrics{
+			ID: fmt.Sprintf(`chatcmpl-%d`, zu.MS()),
+			Token: &pb.EsMetricsToken{
+				Total:      uint32(rand.Intn(minute * 10)),
+				Completion: uint32(rand.Intn(minute * 10)),
+				Prompt:     uint32(rand.Intn(minute * 10)),
+			},
+			Cached:   true,
+			Ip:       `127.0.0.1`,
+			Model:    model,
+			Key:      `zhengkai.orca`,
+			ReqBytes: uint32(rand.Intn(minute * 57)),
+			RspBytes: uint32(rand.Intn(minute * 21)),
+			Ts:       zu.MS(),
+		}
+		Insert(d)
+
+		time.Sleep(time.Second / 2)
+	}
+}
diff --git a/server/src/go.mod b/server/src/go.mod
index 57e9614..b733528 100644
--- a/server/src/go.mod
+++ b/server/src/go.mod
@@ -3,20 +3,22 @@ module project
 go 1.20
 
 require (
+	github.com/elastic/go-elasticsearch/v8 v8.8.1
 	github.com/prometheus/client_golang v1.14.0
 	github.com/zhengkai/life-go v1.0.3
 	github.com/zhengkai/zog v1.0.3
+	github.com/zhengkai/zu v1.0.15
 	google.golang.org/protobuf v1.30.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/elastic/elastic-transport-go/v8 v8.3.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
-	github.com/zhengkai/zu v1.0.15 // indirect
 	golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a // indirect
 )
diff --git a/server/src/go.sum b/server/src/go.sum
index 78f58e5..5a0e2df 100644
--- a/server/src/go.sum
+++ b/server/src/go.sum
@@ -52,7 +52,12 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/elastic/elastic-transport-go/v8 v8.3.0 h1:DJGxovyQLXGr62e9nDMPSxRyWION0Bh6d9eCFBriiHo=
+github.com/elastic/elastic-transport-go/v8 v8.3.0/go.mod h1:87Tcz8IVNe6rVSLdBux1o/PEItLtyabHU3naC7IoqKI=
+github.com/elastic/go-elasticsearch/v8 v8.8.1 h1:/OiP5Yex40q5eWpzFVQIS8jRE7SaEZrFkG9JbE6TXtY=
+github.com/elastic/go-elasticsearch/v8 v8.8.1/go.mod h1:GU1BJHO7WeamP7UhuElYwzzHtvf9SDmeVpSSy9+o6Qg=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
diff --git a/server/src/project.go b/server/src/project.go
index 85f50e3..8124755 100644
--- a/server/src/project.go
+++ b/server/src/project.go
@@ -3,6 +3,7 @@ package project
 import (
 	"project/build"
 	"project/config"
+	"project/es"
 	"project/web"
 	"project/zj"
 
@@ -16,9 +17,11 @@ func Start() {
 
 	zj.Init()
 
-	// zj.J(`key`, config.OpenAIKey)
+	es.Init()
 
-	// tmptest.Test()
+	if !config.Prod {
+		go es.Test()
+	}
 
 	go web.Server()
 
diff --git a/server/src/util/json.go b/server/src/util/json.go
new file mode 100644
index 0000000..b9be895
--- /dev/null
+++ b/server/src/util/json.go
@@ -0,0 +1,21 @@
+package util
+
+import (
+	"google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
+)
+
+// JSONMarshal ...
+func JSONMarshal(m proto.Message) ([]byte, error) {
+	return protojson.MarshalOptions{
+		AllowPartial: true,
+	}.Marshal(m)
+}
+
+// JSONUnmarshal ...
+func JSONUnmarshal(ab []byte, m proto.Message) error {
+	return protojson.UnmarshalOptions{
+		AllowPartial:   true,
+		DiscardUnknown: true,
+	}.Unmarshal(ab, m)
+}