diff --git a/OneBlogService b/OneBlogService
deleted file mode 100755
index 3067ea0..0000000
Binary files a/OneBlogService and /dev/null differ
diff --git a/chatroom/README.md b/chatroom/README.md
index d80c52f..ddda3a7 100644
--- a/chatroom/README.md
+++ b/chatroom/README.md
@@ -1,5 +1,9 @@
 ## ChartRoom
 
+## 基于tcp的聊天室
+
+- 如果大量用户广播延迟问题
+- 消息的堵塞
 
 ```md
 ├── chatroom
diff --git a/chatroom/cmd/tcp/client/client_test.go b/chatroom/cmd/tcp/client/client_test.go
new file mode 100644
index 0000000..7d94f6c
--- /dev/null
+++ b/chatroom/cmd/tcp/client/client_test.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestSendMsg(t *testing.T) {
+
+	for i := 0; i < 100; i++ {
+
+		go func(i int) {
+			conn, err := net.Dial("tcp", ":2020")
+			if err != nil {
+				panic(err)
+			}
+			for j := 0; j < 1000; j++ {
+				time.Sleep(time.Microsecond * 500)
+				s := strings.NewReader(fmt.Sprintf("%s%d\n", "hello", i))
+				if _, err := io.Copy(conn, s); err != nil {
+					log.Fatal(err)
+				}
+			}
+		}(i)
+	}
+	time.Sleep(time.Second * 10)
+	log.Println("done")
+}
diff --git a/chatroom/cmd/tcp/server.go b/chatroom/cmd/tcp/server/server.go
similarity index 73%
rename from chatroom/cmd/tcp/server.go
rename to chatroom/cmd/tcp/server/server.go
index fd8eb0e..4f30eda 100644
--- a/chatroom/cmd/tcp/server.go
+++ b/chatroom/cmd/tcp/server/server.go
@@ -11,9 +11,13 @@ import (
 )
 
 var (
-	enteringChannel   = make(chan *User)
-	leavingChannel    = make(chan *User)
-	messageChannel    = make(chan string, 8)
+	// 用户列表
+	enteringChannel = make(chan *User)
+	// 用户离开
+	leavingChannel = make(chan *User)
+	// messageChannel 缓冲区的大小是 8，这意味着 channel 可以存储最多 8 个字符串元素
+	messageChannel = make(chan string, 2)
+	// 增长id
 	userIdListChannel = make(chan int, 1)
 )
 
@@ -40,16 +44,24 @@ func main() {
 }
 
 func broadcaster() {
+
 	usersMap := make(map[*User]struct{})
+	i := 0
 	for {
+
 		select {
 		case user := <-enteringChannel:
 			usersMap[user] = struct{}{}
 		case user := <-leavingChannel:
 			delete(usersMap, user)
 			close(user.MessageChannel)
-		case msg := <-messageChannel:
-			for user := range usersMap {
+			//缓冲区的大小是 8，这意味着最多可以存储 8 条消息。
+			//如果缓冲区已满，新的消息将会被阻塞，
+			//直到有一个接收操作从 channel 中读取一个消息。
+		case msg := <-messageChannel: //channel 空间限制住了
+			i++
+			msg = msg + "_" + fmt.Sprint(i)
+			for user := range usersMap { //这里如果没有用户太多
 				user.MessageChannel <- msg
 			}
 		}
diff --git a/chatroom/cmd/tcp/server/server_test.go b/chatroom/cmd/tcp/server/server_test.go
new file mode 100644
index 0000000..39d4b62
--- /dev/null
+++ b/chatroom/cmd/tcp/server/server_test.go
@@ -0,0 +1,106 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"sync"
+	"testing"
+	"time"
+)
+
+func BenchmarkBroadcaster(b *testing.B) {
+	listener, err := net.Listen("tcp", ":0")
+	if err != nil {
+		b.Fatal(err)
+	}
+	defer listener.Close()
+
+	// 启动广播器
+	go broadcaster()
+
+	// 启动客户端
+	var wg sync.WaitGroup
+	for i := 0; i < b.N; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+
+			conn, err := net.Dial("tcp", listener.Addr().String())
+			if err != nil {
+				b.Fatal(err)
+			}
+			defer conn.Close()
+
+			// 发送消息到服务器
+			fmt.Fprintf(conn, "Hello, %d\n", i)
+
+			// 读取服务器发回的消息
+			buf := make([]byte, 1024)
+			n, err := conn.Read(buf)
+			if err != nil {
+				b.Fatal(err)
+			}
+			msg := string(buf[:n])
+
+			// 检查消息是否正确
+			expect := fmt.Sprintf("Hello, %d\n", i)
+			if msg != expect {
+				b.Errorf("expect %q, but got %q", expect, msg)
+			}
+			conn.Close()
+		}()
+	}
+
+	// 等待所有客户端完成测试
+	wg.Wait()
+	listener.Close()
+}
+
+func TestBroadcasterWithBlocking(t *testing.T) {
+	listener, err := net.Listen("tcp", ":0")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer listener.Close()
+
+	// 启动广播器
+	go broadcaster()
+
+	// 启动客户端
+	var wg sync.WaitGroup
+	for i := 0; i < 10; i++ {
+		wg.Add(1)
+		go func(id int) {
+			defer wg.Done()
+
+			conn, err := net.Dial("tcp", listener.Addr().String())
+			if err != nil {
+				t.Fatal(err)
+			}
+			defer conn.Close()
+
+			// 模拟消息延迟和阻塞
+			time.Sleep(5 * time.Second)
+
+			// 发送消息到服务器
+			fmt.Fprintf(conn, "Hello, %d\n", id)
+
+			// 读取服务器发回的消息
+			buf := make([]byte, 1024)
+			n, err := conn.Read(buf)
+			if err != nil {
+				t.Fatal(err)
+			}
+			msg := string(buf[:n])
+
+			// 检查消息是否正确
+			expect := fmt.Sprintf("Hello, %d\n", id)
+			if msg != expect {
+				t.Errorf("expect %q, but got %q", expect, msg)
+			}
+		}(i)
+	}
+
+	// 等待所有客户端完成测试
+	wg.Wait()
+}
diff --git a/chatroom/cmd/websocket/nhooyr/client/client.go b/chatroom/cmd/websocket/nhooyr/client/client.go
new file mode 100644
index 0000000..31babab
--- /dev/null
+++ b/chatroom/cmd/websocket/nhooyr/client/client.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"nhooyr.io/websocket"
+	"nhooyr.io/websocket/wsjson"
+)
+
+func main() {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+
+	c, _, err := websocket.Dial(ctx, "ws://localhost:2021/ws", nil)
+	if err != nil {
+		panic(err)
+	}
+	defer c.Close(websocket.StatusInternalError, "server eroor")
+
+	err = wsjson.Write(ctx, c, "Hello WebSocket server")
+	if err != nil {
+		panic(err)
+	}
+	var v any
+	err = wsjson.Read(ctx, c, &v)
+	if err != nil {
+		panic(err)
+	}
+	log.Printf("recv: %v", v)
+	c.Close(websocket.StatusNormalClosure, "")
+
+}
diff --git a/chatroom/cmd/websocket/nhooyr/server/server.go b/chatroom/cmd/websocket/nhooyr/server/server.go
new file mode 100644
index 0000000..aeb099b
--- /dev/null
+++ b/chatroom/cmd/websocket/nhooyr/server/server.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"nhooyr.io/websocket"
+	"nhooyr.io/websocket/wsjson"
+)
+
+func main() {
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		fmt.Fprintln(w, "HTTP , Hello")
+	})
+	http.HandleFunc("/ws", func(w http.ResponseWriter, req *http.Request) {
+		conn, err := websocket.Accept(w, req, nil)
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		defer conn.Close(websocket.StatusInternalError, "servr error")
+		ctx, cancel := context.WithTimeout(req.Context(), time.Second*10)
+		defer cancel()
+
+		var v any
+		err = wsjson.Read(ctx, conn, &v)
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		log.Printf("recv: %v", v)
+		err = wsjson.Write(ctx, conn, "Hello WebSocket clinet")
+		if err != nil {
+			log.Println(err)
+			return
+		}
+
+		conn.Close(websocket.StatusNormalClosure, "200")
+	})
+	log.Fatal(http.ListenAndServe(":2021", nil))
+}
diff --git a/client/client_test.go b/client/client_test.go
new file mode 100644
index 0000000..92d2448
--- /dev/null
+++ b/client/client_test.go
@@ -0,0 +1,9 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestGetClientConn(t *testing.T) {
+	main()
+}
diff --git a/client/test/clinet_test.go b/client/test/clinet_test.go
new file mode 100644
index 0000000..9e16aea
--- /dev/null
+++ b/client/test/clinet_test.go
@@ -0,0 +1,37 @@
+package test
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"testing"
+
+	"github.com/lc-1010/OneBlogService/global"
+	"github.com/lc-1010/OneBlogService/pkg/tracer"
+)
+
+func TestTacer(t *testing.T) {
+	TSpan()
+}
+
+type b string
+
+func TSpan() {
+
+	tracerPorvider, err := tracer.NewJaegerTrancer(
+		"cligrpc",
+		"127.0.0.1",
+		"6831",
+	)
+	if err != nil {
+		log.Fatal(err)
+	}
+	global.Tracer = tracerPorvider
+
+	ctx := context.Background()
+	tr := global.Tracer.Tracer("test11")
+	pp := context.WithValue(ctx, b("ba"), b("j"))
+	_, span := tr.Start(pp, "cli-rpc")
+	defer span.End()
+	fmt.Println("ok tracer")
+}
diff --git a/go.mod b/go.mod
index e8354ab..62f8753 100644
--- a/go.mod
+++ b/go.mod
@@ -48,6 +48,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/klauspost/compress v1.10.3 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/prometheus/client_golang v1.11.1 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
@@ -117,6 +118,7 @@ require (
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	gorm.io/plugin/opentelemetry v0.1.3
+	nhooyr.io/websocket v1.8.7
 )
 
 replace google.golang.org/grpc => google.golang.org/grpc v1.52.3
diff --git a/go.sum b/go.sum
index abb235c..4eedc91 100644
--- a/go.sum
+++ b/go.sum
@@ -369,6 +369,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
 github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
+github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -424,6 +426,7 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/gin-contrib/gzip v0.0.6 h1:NjcunTcGAj5CO1gn4N8jHOSIeRFHIbn51z6K+xaN4d4=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
@@ -454,18 +457,28 @@ github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/
 github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
 github.com/go-openapi/swag v0.22.4 h1:QLMzNJnMGPRNDCbySlcj1x01tzU8/9LTTL9hZZZogBU=
 github.com/go-openapi/swag v0.22.4/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
 github.com/go-playground/validator/v10 v10.14.1 h1:9c50NUPC30zyuKprjL3vNZ0m5oG+jU0zvx4AqHGnv4k=
 github.com/go-playground/validator/v10 v10.14.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
 github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee h1:s+21KNqlpePfkah2I+gwHF8xmJWRjooY+5248k6m4A0=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
+github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
+github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
+github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
@@ -568,6 +581,8 @@ github.com/googleapis/gax-go/v2 v2.5.1/go.mod h1:h6B0KMMFNtI2ddbGJn3T3ZbwkeT6yqE
 github.com/googleapis/gax-go/v2 v2.6.0/go.mod h1:1mjbznJAPHFpesgE5ucqfYEscaz5kMdcIDwU/6+DDoY=
 github.com/googleapis/go-type-adapters v1.0.0/go.mod h1:zHW75FOG2aur7gAO2B+MLby+cLsWGBF62rFAi7WjWO4=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
+github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 h1:UH//fgunKIs4JdUbpDl1VZCDaL56wXCB/5+wF6uHfaI=
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0/go.mod h1:g5qyo/la0ALbONm6Vbp88Yd8NsDy6rZz+RcrMPxvld8=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
@@ -591,6 +606,7 @@ github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8Hm
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
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@@ -603,6 +619,8 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
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@@ -617,6 +635,7 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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@@ -626,6 +645,7 @@ github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN
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@@ -715,6 +735,8 @@ github.com/swaggo/swag v1.16.1 h1:fTNRhKstPKxcnoKsytm4sahr8FaYzUcT7i1/3nd/fBg=
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@@ -935,6 +957,7 @@ golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1322,6 +1345,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
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