diff --git a/lsdb/Lsdb.go b/lsdb/Lsdb.go
index 8542a62..b71e65d 100644
--- a/lsdb/Lsdb.go
+++ b/lsdb/Lsdb.go
@@ -21,9 +21,9 @@ import (
 
 //  Lsdb更新状态
 const (
-	INSTALLED = 0 	// 已安装
-	UPDATED = 1		// 已更新
-	REMOVED = -1	// 已移除
+	INSTALLED = 0  // 已安装
+	UPDATED   = 1  // 已更新
+	REMOVED   = -1 // 已移除
 )
 
 type Lsdb struct {
@@ -36,22 +36,22 @@ type Lsdb struct {
 	// LSA容器
 	LsaContainer.LsaContainer
 
-	lsaRefreshTime *time.Duration 			// lsa刷新时间
-	adjLsaBuildInterval *time.Duration		// 邻接LSA构建间隔
-	thisRouterPrefix *component.Identifier	// 当前路由器的标识
+	lsaRefreshTime      *time.Duration        // lsa刷新时间
+	adjLsaBuildInterval *time.Duration        // 邻接LSA构建间隔
+	thisRouterPrefix    *component.Identifier // 当前路由器的标识
 
 	// 任务调度器
-	scheduler *Scheduler
+	scheduler *MlsrScheduler
 
 	// 将LSA的名称从sync映射到其已知的最高序列号；
 	// 用于阻止MLSR尝试获取过时的LSA
-	highestSeqNo map[*component.Identifier] uint64
+	highestSeqNo map[*component.Identifier]uint64
 
 	// 不同类型lsa的序列号管理器
 	sequencingManager *SequencingManager
 
-	isBuildAdjLsaScheduled bool		// 是否安排构建邻接LSA
-	adjBuildCount uint64			// 邻接LSA的构建的统计数目
+	isBuildAdjLsaScheduled bool   // 是否安排构建邻接LSA
+	adjBuildCount          uint64 // 邻接LSA的构建的统计数目
 }
 
 //
@@ -62,7 +62,7 @@ type Lsdb struct {
 //  @param lsaType
 //  @return bool
 //
-func (l *Lsdb) DoesLsaExist(routerIdentifier *component.Identifier,lsaType int) bool {
+func (l *Lsdb) DoesLsaExist(routerIdentifier *component.Identifier, lsaType int) bool {
 	panic("implement me")
 }
 
@@ -88,7 +88,7 @@ func (l *Lsdb) BuildAndInstallOwnCoordinateLsa() {
 //  @Description: 安排LSA的构建
 //  @receiver l
 //
-func (l *Lsdb) ScheduleAdjLsaBuild()  {
+func (l *Lsdb) ScheduleAdjLsaBuild() {
 }
 
 //
@@ -102,10 +102,10 @@ func (l *Lsdb) ScheduleAdjLsaBuild()  {
 //  @receiver l
 //  @param interest
 //
-func (l *Lsdb) ProcessInterest(interest *packet.Interest)  {
+func (l *Lsdb) ProcessInterest(interest *packet.Interest) {
 }
 
-func (l *Lsdb) ProcessGPPkt(pkt *packet.GPPkt)  {
+func (l *Lsdb) ProcessGPPkt(pkt *packet.GPPkt) {
 }
 
 //
@@ -152,22 +152,22 @@ func (l *Lsdb) FindLsa(routerIdentifier *component.Identifier,
 //  @return bool
 //
 func (l *Lsdb) IsLsaNew(routerIdentifier *component.Identifier,
-	lsaType lsa.LsaType,seqNo uint64) bool {
-	lsa := l.FindLsa(routerIdentifier,lsaType)
-	if lsa.GetSeqNo() >= seqNo{
+	lsaType lsa.LsaType, seqNo uint64) bool {
+	lsa := l.FindLsa(routerIdentifier, lsaType)
+	if lsa.GetSeqNo() >= seqNo {
 		return false
 	}
 	return true
 }
 
-func (l *Lsdb) InstallLsa(lsa lsa.ILsa)  {
+func (l *Lsdb) InstallLsa(lsa lsa.ILsa) {
 }
 
-func (l* Lsdb) RemoveLsa(routerIdentifier *component.Identifier,
+func (l *Lsdb) RemoveLsa(routerIdentifier *component.Identifier,
 	lsaType lsa.LsaType) {
 }
 
-func (l* Lsdb) RemoveLsaByContainerIndex(index int) {
+func (l *Lsdb) RemoveLsaByContainerIndex(index int) {
 }
 
 //
@@ -176,7 +176,7 @@ func (l* Lsdb) RemoveLsaByContainerIndex(index int) {
 // 只有当路由器的所有邻居状态是已知的时，才可以构建它的邻接LSA。
 //  @receiver l
 //
-func (l *Lsdb) BuildAdjLsa()  {
+func (l *Lsdb) BuildAdjLsa() {
 }
 
 //
@@ -184,7 +184,7 @@ func (l *Lsdb) BuildAdjLsa()  {
 //  @Description: 为当前路由器构建并安装一个邻接LSA
 //  @receiver l
 //
-func (l *Lsdb) BuildAndInstallOwnAdjLsa()  {
+func (l *Lsdb) BuildAndInstallOwnAdjLsa() {
 }
 
 //
@@ -192,19 +192,19 @@ func (l *Lsdb) BuildAndInstallOwnAdjLsa()  {
 //  @Description: 在调度器中安排一个刷新或过期事件
 //  @receiver l
 //
-func (l *Lsdb) ScheduleLsaExpiration(lsa lsa.ILsa,duration *time.Duration)  {
+func (l *Lsdb) ScheduleLsaExpiration(lsa lsa.ILsa, duration *time.Duration) {
 
 }
 
-func (l* Lsdb) ExpireOrRefreshLsa(lsa lsa.ILsa)  {
+func (l *Lsdb) ExpireOrRefreshLsa(lsa lsa.ILsa) {
 }
 
 func (l *Lsdb) ProcessInterestForLsa(interest *packet.Interest,
-	originRouterIdentifier *component.Identifier,lsaType lsa.LsaType,seqNo uint64)  {
+	originRouterIdentifier *component.Identifier, lsaType lsa.LsaType, seqNo uint64) {
 }
 
 func (l *Lsdb) ExpressInterest(interestName *component.Identifier,
-	timeOut uint32,deadline *time.Time)  {
+	timeOut uint32, deadline *time.Time) {
 }
 
 //
@@ -219,9 +219,9 @@ func (l *Lsdb) ExpressInterest(interestName *component.Identifier,
 //  @param lsaName
 //  @param seqNo
 //
-func (l *Lsdb) OnFetchLsaError(errorCode uint32,msg string,
-	interestName *component.Identifier,retransmitNo uint32,
-	deadline *time.Time,lsaName *component.Identifier,seqNo uint64)  {
+func (l *Lsdb) OnFetchLsaError(errorCode uint32, msg string,
+	interestName *component.Identifier, retransmitNo uint32,
+	deadline *time.Time, lsaName *component.Identifier, seqNo uint64) {
 }
 
 //
@@ -233,11 +233,10 @@ func (l *Lsdb) OnFetchLsaError(errorCode uint32,msg string,
 //  @param buffer
 //  @param interestName
 //
-func (l *Lsdb) AfterFetchLsa(buffer bytes.Buffer,interestName *component.Identifier)  {
+func (l *Lsdb) AfterFetchLsa(buffer bytes.Buffer, interestName *component.Identifier) {
 }
 
 func (l *Lsdb) getLsaExpirationTimePoint() time.Time {
 	// todo
 	return time.Time{}
 }
-
diff --git a/route/RoutingTable.go b/route/RoutingTable.go
index 75d908d..d458d9b 100644
--- a/route/RoutingTable.go
+++ b/route/RoutingTable.go
@@ -68,7 +68,10 @@ func (t *RoutingTable) Calculate() {
 		t.m_isRoutingTableCalculating = false
 	} else {
 		// 安排指定时间之后执行一个路由计算
-		t.ScheduleRoutingTableCalculation()
+		err := t.ScheduleRoutingTableCalculation()
+		if err != nil {
+			common2.LogFatal("Calculate error，Schedule RoutingTableCalculation error, ", err)
+		}
 	}
 }
 
@@ -80,11 +83,36 @@ func (t *RoutingTable) Calculate() {
 //  @param hop 要添加到RTE的下一个跃点。
 //
 func (t *RoutingTable) AddNextHop(destRouter *component.Identifier, hop *NextHop) {
+	common2.LogInfo("Adding " + hop.LogicFaceUri() + " for destination " + destRouter.ToUri())
 
+	// 查找路由表项
+	rte := t.FindRoutingTableEntry(destRouter)
+	// 如果没有这条表项，则构建并加入
+	if rte == nil {
+		rte = new(RoutingTableEntry)
+		rte.AddNextHop(hop)
+		t.rTable = append(t.rTable, rte)
+	} else {
+		// 如果有，则直接编辑该条目，增加一个下一跳.
+		// todo: 这块需要测试，是否在go中可以直接根据引用进行表项的修改
+		rte.AddNextHop(hop)
+	}
 }
 
+//
+//  FindRoutingTableEntry
+//  @Description: 根据某个目的路由器，查找对应的路由表项
+//  @receiver t
+//  @param destRouter
+//  @return *RoutingTableEntry
+//
 func (t *RoutingTable) FindRoutingTableEntry(destRouter *component.Identifier) *RoutingTableEntry {
-	//todo
+	uri := destRouter.ToUri()
+	for i := 0; i < len(t.rTable); i++ {
+		if t.rTable[i].GetDestination().ToUri() == uri {
+			return t.rTable[i]
+		}
+	}
 	return nil
 }
 
@@ -95,7 +123,7 @@ func (t *RoutingTable) FindRoutingTableEntry(destRouter *component.Identifier) *
 //
 func (t *RoutingTable) ScheduleRoutingTableCalculation() error {
 	if !t.m_isRouteCalculationScheduled {
-		common2.LogFatal("Scheduling routing table calculation in ", t.m_routingCalcInterval)
+		common2.LogInfo("Scheduling routing table calculation in ", t.m_routingCalcInterval)
 		err := t.scheduler.ScheduleTaskAfterDuration(t.m_routingCalcInterval, t.Calculate)
 		if err != nil {
 			return err
@@ -157,7 +185,7 @@ func (t *RoutingTable) calculateLsRoutingTable() {
 //  @receiver t
 //
 func (t *RoutingTable) clearRoutingTable() {
-
+	t.rTable = []*RoutingTableEntry{}
 }
 
 //
diff --git a/route/RoutingTableEntry.go b/route/RoutingTableEntry.go
index 67de72c..ddc8eb3 100644
--- a/route/RoutingTableEntry.go
+++ b/route/RoutingTableEntry.go
@@ -30,11 +30,11 @@ type RoutingTableEntry struct {
 //  @return *RoutingTableEntry
 //  @return error
 //
-func NewRoutingTableEntry(dest *component.Identifier) (*RoutingTableEntry,error) {
+func NewRoutingTableEntry(dest *component.Identifier) (*RoutingTableEntry, error) {
 	// todo: 判断dest是否格式有效
 	rte := new(RoutingTableEntry)
-	rte.m_destination=dest
-	return rte,nil
+	rte.m_destination = dest
+	return rte, nil
 }
 
 //
@@ -43,7 +43,7 @@ func NewRoutingTableEntry(dest *component.Identifier) (*RoutingTableEntry,error)
 //  @receiver e
 //  @return *component.Identifier
 //
-func (e *RoutingTableEntry) GetDestination(dest *component.Identifier) *component.Identifier {
+func (e *RoutingTableEntry) GetDestination() *component.Identifier {
 	return e.m_destination
 }
 
@@ -54,7 +54,7 @@ func (e *RoutingTableEntry) GetDestination(dest *component.Identifier) *componen
 //  @param dest
 //
 func (e *RoutingTableEntry) SetDestination(dest *component.Identifier) {
-	e.m_destination=dest
+	e.m_destination = dest
 }
 
 //
@@ -65,22 +65,22 @@ func (e *RoutingTableEntry) SetDestination(dest *component.Identifier) {
 //  @return int
 //  @return error
 //
-func (e *RoutingTableEntry) WireEncode(encoder *encoding.Encoder) (int,error) {
+func (e *RoutingTableEntry) WireEncode(encoder *encoding.Encoder) (int, error) {
 	totalLength := 0
 	// TLV-Value
-	tmpLen,err := e.NextHopList.WireEncode(encoder)
+	tmpLen, err := e.NextHopList.WireEncode(encoder)
 	if err != nil {
 		return 0, err
 	}
 	totalLength += tmpLen
-	tmpLen,err = e.m_destination.WireEncode(encoder)
+	tmpLen, err = e.m_destination.WireEncode(encoder)
 	if err != nil {
 		return 0, err
 	}
 	totalLength += tmpLen
 
 	// TLV-Length
-	tmpLen,err = encoder.PrependVarNumber(encoding.VlInt(totalLength))
+	tmpLen, err = encoder.PrependVarNumber(encoding.VlInt(totalLength))
 	if err != nil {
 		return 0, err
 	}
@@ -93,7 +93,7 @@ func (e *RoutingTableEntry) WireEncode(encoder *encoding.Encoder) (int,error) {
 	}
 	totalLength += tmpLen
 
-	return totalLength,nil
+	return totalLength, nil
 }
 
 //
@@ -115,19 +115,19 @@ func (e *RoutingTableEntry) WireDecode(block *encoding.Block) error {
 	}
 
 	// 提取参数
-	for _, parameter := range block.GetSubElements(){
+	for _, parameter := range block.GetSubElements() {
 		switch parameter.GetType() {
 		case encoding.TlvIdentifier:
-			iden:=component.Identifier{}
-			if err:= iden.WireDecode(parameter); err != nil {
+			iden := component.Identifier{}
+			if err := iden.WireDecode(parameter); err != nil {
 				return err
 			}
 			e.m_destination = &iden
 		case extensions.TlvMlsrNextHopList:
-			if err:= e.NextHopList.WireDecode(parameter); err != nil {
+			if err := e.NextHopList.WireDecode(parameter); err != nil {
 				return err
 			}
 		}
 	}
 	return nil
-}
\ No newline at end of file
+}