diff --git a/cmd/tradelogs/main.go b/cmd/tradelogs/main.go
index c260ffa..f74484f 100644
--- a/cmd/tradelogs/main.go
+++ b/cmd/tradelogs/main.go
@@ -129,7 +129,6 @@ func run(c *cli.Context) error {
 
 	bc := tradelogs.NewBroadcaster(tradeLogChan)
 	go bc.BroadcastLog()
-	go bc.CheckDisconnect()
 	httpTradelogs := tradelogs.New(l, s, c.String(libapp.HTTPServerFlag.Name), bc)
 	go func() {
 		if err := httpTradelogs.Run(); err != nil {
diff --git a/go.mod b/go.mod
index 4eaf443..f8b3f51 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@ go 1.21.1
 require (
 	cloud.google.com/go/bigquery v1.56.0
 	github.com/KyberNetwork/cclog v1.1.0
-	github.com/KyberNetwork/tradinglib v0.4.19
 	github.com/TheZeroSlave/zapsentry v1.20.2
 	github.com/ethereum/go-ethereum v1.13.14
 	github.com/getsentry/sentry-go v0.26.0
@@ -34,6 +33,7 @@ require (
 	github.com/apache/arrow/go/v12 v12.0.0 // indirect
 	github.com/apache/thrift v0.16.0 // indirect
 	github.com/bits-and-blooms/bitset v1.13.0 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
 	github.com/bytedance/sonic v1.10.2 // indirect
 	github.com/cespare/cp v1.1.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
diff --git a/go.sum b/go.sum
index 080f217..38922d0 100644
--- a/go.sum
+++ b/go.sum
@@ -33,8 +33,6 @@ github.com/KyberNetwork/cclog v1.1.0 h1:3gqKpSayABuTjS4J7H8qcQHrlfyggpjmHUnCYQT0
 github.com/KyberNetwork/cclog v1.1.0/go.mod h1:vf9+yocFGEyqqObn4Gr9rtj4ffnuKVpKWiSCtfsxIHg=
 github.com/KyberNetwork/evmlistener v0.4.7 h1:SlJwzqngj2N2ot/1M391GbwE/A6wyKfV9z1RIlxZpyI=
 github.com/KyberNetwork/evmlistener v0.4.7/go.mod h1:7ylrHTrF9bRJRcVdw02f4P2k3ohc1/gKGQ3HgaYtfE8=
-github.com/KyberNetwork/tradinglib v0.4.19 h1:pVyRacHZY9xMhEiJHjVPKVhscdSQjoG2pIR291FnKSo=
-github.com/KyberNetwork/tradinglib v0.4.19/go.mod h1:HwQjz6Iv2Nn/cQYnToYCZytjhzxLHs60JMXLeiZKcvc=
 github.com/Masterminds/squirrel v1.5.4 h1:uUcX/aBc8O7Fg9kaISIUsHXdKuqehiXAMQTYX8afzqM=
 github.com/Masterminds/squirrel v1.5.4/go.mod h1:NNaOrjSoIDfDA40n7sr2tPNZRfjzjA400rg+riTZj10=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
@@ -463,8 +461,6 @@ github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFR
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
-github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
-github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
diff --git a/internal/server/tradelogs/broadcaster.go b/internal/server/tradelogs/broadcaster.go
index 30b9c1d..2eb47ab 100644
--- a/internal/server/tradelogs/broadcaster.go
+++ b/internal/server/tradelogs/broadcaster.go
@@ -49,6 +49,19 @@ func (b *Broadcaster) BroadcastLog() {
 func (b *Broadcaster) addConn(event, maker string, conn *websocket.Conn) {
 	id := xid.New().String()
 	b.l.Infow("connected socket", "id", id)
+	go func() {
+		msgType, msg, err := conn.ReadMessage()
+		b.l.Infow("read msg result", "id", id, "msgType", msgType, "msg", msg, "err", err)
+		if err != nil {
+			b.mu.Lock()
+			e, ok := b.clients[fmt.Sprintf("%s-%s", event, maker)]
+			if !ok {
+				return
+			}
+			delete(e, id)
+			b.mu.Unlock()
+		}
+	}()
 	b.mu.Lock()
 	cons, ok := b.clients[combine(event, maker)]
 	if !ok {
@@ -68,20 +81,11 @@ func combine(event, maker string) string {
 	return fmt.Sprintf("%s-%s", event, maker)
 }
 
-func (b *Broadcaster) CheckDisconnect() {
-	for {
-		b.mu.Lock()
-		for _, cons := range b.clients {
-			for id, c := range cons {
-				if _, _, err := c.ws.ReadMessage(); err != nil {
-					if websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseGoingAway, websocket.CloseNoStatusReceived) {
-						b.l.Infow("socket is closed", "id", id)
-						delete(cons, id)
-					}
-				}
-			}
+func (b *Broadcaster) Test() {
+	for range time.NewTicker(time.Second * 5).C {
+		b.tradeLogChan <- storage.TradeLog{
+			EventHash: "0xac75f773e3a92f1a02b12134d65e1f47f8a14eabe4eaf1e24624918e6a8b269f",
+			Maker:     "0x807cF9A772d5a3f9CeFBc1192e939D62f0D9bD38",
 		}
-		b.mu.Unlock()
-		time.Sleep(time.Minute)
 	}
 }
diff --git a/internal/server/tradelogs/client_test.go b/internal/server/tradelogs/client_test.go
new file mode 100644
index 0000000..9e40e0a
--- /dev/null
+++ b/internal/server/tradelogs/client_test.go
@@ -0,0 +1,38 @@
+package server
+
+import (
+	"encoding/json"
+	"log"
+	"testing"
+	"time"
+
+	"github.com/KyberNetwork/tradelogs/pkg/storage"
+	"github.com/gorilla/websocket"
+	"github.com/stretchr/testify/require"
+)
+
+const (
+	url1 = "wss://tradelogs.kyberengineering.io/eventlogws?maker=0x807cF9A772d5a3f9CeFBc1192e939D62f0D9bD38&event_hash=0xac75f773e3a92f1a02b12134d65e1f47f8a14eabe4eaf1e24624918e6a8b269f"
+	url2 = "ws://localhost:8080/eventlogws?maker=0x807cF9A772d5a3f9CeFBc1192e939D62f0D9bD38&event_hash=0xac75f773e3a92f1a02b12134d65e1f47f8a14eabe4eaf1e24624918e6a8b269f"
+)
+
+func TestWSClient(t *testing.T) {
+	t.Skip()
+	for {
+		conn, _, err := websocket.DefaultDialer.Dial(url2, nil)
+		if err != nil {
+			log.Fatal("dial:", err)
+		}
+		for range time.NewTicker(time.Second).C {
+			if _, data, err := conn.ReadMessage(); err == nil {
+				var l storage.TradeLog
+				err := json.Unmarshal(data, &l)
+				require.NoError(t, err)
+				log.Println("receive:", l)
+			} else {
+				conn.Close()
+				break
+			}
+		}
+	}
+}