diff --git a/go.mod b/go.mod
index 2259bbe..2e67236 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,6 @@ go 1.17
 
 require (
 	MINSync v0.0.0
-	//github.com/rakanalh/scheduler v0.1
-	github.com/deckarep/golang-set v1.8.0
 	github.com/go-co-op/gocron v1.13.0
 	github.com/liyue201/gostl v1.0.1
 	github.com/olekukonko/tablewriter v0.0.5
diff --git a/lsdb/Lsdb.go b/lsdb/Lsdb.go
index c8b0883..d27e0f5 100644
--- a/lsdb/Lsdb.go
+++ b/lsdb/Lsdb.go
@@ -95,7 +95,12 @@ func (l *Lsdb) Init(mc *common.MlsrConfig, ms *MlsrScheduler,
 		common2.LogFatal("lsdb.LsaContainer init error, ", err.Error())
 	}
 
-	// todo 构造sync
+	// 构造sync
+	// dummyClientLogicFace :=
+	// l.sync = communication.NewSyncLogicHandler(nil,
+	// 	func(identifier *component.Identifier, lsaType lsa.LsaType, seq, incomingLogicFaceId uint64) bool {
+
+	// },&l.mlsrConfig.MlsrConfigParameters)
 
 	// lsa刷新时间
 	l.lsaRefreshTime = l.mlsrConfig.GetLsaRefreshTime()
diff --git a/mlsrcmd/mlsr.go b/mlsrcmd/mlsr.go
index 9449c83..bcc36d6 100644
--- a/mlsrcmd/mlsr.go
+++ b/mlsrcmd/mlsr.go
@@ -13,6 +13,7 @@ import (
 	"minlib/component"
 	"minlib/logicface"
 	"minlib/security"
+	utils2 "minlib/utils"
 	"mlsr/common"
 	"mlsr/hello"
 	"mlsr/lsa"
@@ -37,7 +38,7 @@ type Mlsr struct {
 	m_helloProtocol   *hello.HelloProtocol
 
 	// 用于异步事件触发的信号量接收器
-	m_onNewLsaConnection          *utils.SignalConnection
+	m_onNewLsaConnection          *utils2.Connection
 	m_onPrefixRegistrationSuccess *utils.SignalConnection
 	m_onInitialHelloDataValidated *utils.SignalConnection
 }
@@ -90,6 +91,9 @@ func (m *Mlsr) Init(face *logicface.LogicFaceICN, scheduler *lsdb.MlsrScheduler,
 	m.m_helloProtocol = new(hello.HelloProtocol)
 	m.m_helloProtocol.Init(m.m_face, m.m_scheduler, chain, m.m_confParam, m.m_routingTable, m.m_lsdb)
 
+	// NewLSAConnection
+	// sync := m.m_lsdb.GetSync()
+	// m.m_onNewLsaConnection = m.m_lsdb.
 	// 三个信号量接收器的触发 todo 还没实现的两个，一个与sync有关，一个与fib有关
 	// hello信号量接收器
 	bindHelloFunc := func(args ...interface{}) {