diff --git a/go.sum b/go.sum
index 676150d..7d06bb2 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,5 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/d4l3k/messagediff v1.2.1 h1:ZcAIMYsUg0EAp9X+tt8/enBE/Q8Yd5kzPynLyKptt9U=
-github.com/d4l3k/messagediff v1.2.1/go.mod h1:Oozbb1TVXFac9FtSIxHBMnBCq2qeH/2KkEQxENCrlLo=
 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=
@@ -9,8 +7,6 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGa
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
 github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
-github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/mutecomm/go-sqlcipher/v4 v4.4.2 h1:eM10bFtI4UvibIsKr10/QT7Yfz+NADfjZYh0GKrXUNc=
 github.com/mutecomm/go-sqlcipher/v4 v4.4.2/go.mod h1:mF2UmIpBnzFeBdu/ypTDb/LdbS0nk0dfSN1WUsWTjMA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -25,9 +21,8 @@ github.com/smartystreets/goconvey v1.7.2 h1:9RBaZCeXEQ3UselpuwUQHltGVXvdwm6cv1hg
 github.com/smartystreets/goconvey v1.7.2/go.mod h1:Vw0tHAZW6lzCRk3xgdin6fKYcG+G3Pg9vgXWeJpQFMM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tidwall/assert v0.1.0 h1:aWcKyRBUAdLoVebxo95N7+YZVTFF/ASTr7BN4sLP6XI=
 github.com/tidwall/assert v0.1.0/go.mod h1:QLYtGyeqse53vuELQheYl9dngGCJQ+mTtlxcktb+Kj8=
 github.com/tidwall/btree v1.1.0/go.mod h1:TzIRzen6yHbibdSfK6t8QimqbUnoxUSrZfeW7Uob0q4=
@@ -50,11 +45,7 @@ github.com/tidwall/rtred v0.1.2 h1:exmoQtOLvDoO8ud++6LwVsAMTu0KPzLTUrMln8u1yu8=
 github.com/tidwall/rtred v0.1.2/go.mod h1:hd69WNXQ5RP9vHd7dqekAz+RIdtfBogmglkZSRxCHFQ=
 github.com/tidwall/tinyqueue v0.1.1 h1:SpNEvEggbpyN5DIReaJ2/1ndroY8iyEGxPYxoSaymYE=
 github.com/tidwall/tinyqueue v0.1.1/go.mod h1:O/QNHwrnjqr6IHItYrzoHAKYhBkLI67Q096fQP5zMYw=
-github.com/tylertreat/BoomFilters v0.0.0-20210315201527-1a82519a3e43 h1:QEePdg0ty2r0t1+qwfZmQ4OOl/MB2UXIeJSpIZv56lg=
-github.com/tylertreat/BoomFilters v0.0.0-20210315201527-1a82519a3e43/go.mod h1:OYRfF6eb5wY9VRFkXJH8FFBi3plw2v+giaIu7P054pM=
 github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
-github.com/zeebo/xxh3 v1.0.1 h1:FMSRIbkrLikb/0hZxmltpg84VkqDAT5M8ufXynuhXsI=
-github.com/zeebo/xxh3 v1.0.1/go.mod h1:8VHV24/3AZLn3b6Mlp/KuC33LWH687Wq6EnziEB+rsA=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/hello/HelloProtocol.go b/hello/HelloProtocol.go
new file mode 100644
index 0000000..e67cdf0
--- /dev/null
+++ b/hello/HelloProtocol.go
@@ -0,0 +1,115 @@
+//package hello
+//@Author: Pei Xinyuan
+//@Description:
+//@Version: 0.1.0
+//@Date: 2022/4/27 10:57:00
+//@Copyright: MIN-Group;国家重大科技基础设施——未来网络北大实验室;深圳市信息论与未来网络重点实验室
+
+package hello
+
+import (
+	"minlib/component"
+	"minlib/encoding"
+	"minlib/logicface"
+	"minlib/packet"
+	"minlib/security"
+	"mlsr/common"
+	"mlsr/lsa"
+	"mlsr/lsdb"
+	"time"
+)
+
+//INIT_LOGGER(HelloProtocol)
+
+const INFO_COMPONENT = "INFO"
+const MLSR_COMPONENT = "MLSR"
+
+type HelloProtocol struct {
+	encoding.SelfEncodingBase
+	mlsrConfig *common.MlsrConfig
+	face       *logicface.LogicFace
+	keychain   *security.KeyChain
+	//RoutingTable
+	lsdb.Lsdb
+	scheduler *lsdb.Scheduler
+}
+
+//
+//  expressInterest
+//  @Description:发送一个Hello兴趣包
+//  @receiver h
+//  @param interestNamePrefix
+//  @param seconds
+//
+func (h *HelloProtocol) expressInterest(interestNamePrefix *component.Identifier, seconds int) {
+	var interest packet.Interest
+	interest.SetName(interestNamePrefix)
+	interest.SetInterestLifeTime(seconds)
+	interest.SetMustBeRefresh(true)
+	interest.SetCanBePrefix(true)
+	h.face.SendInterest(&interest)
+
+}
+
+//
+//  sendHelloInterest
+//  @Description:发送Hello兴趣包给所有的邻居
+//  @receiver h
+//  @param neighbor
+//
+func (h *HelloProtocol) sendHelloInterest(neighbor *lsa.AdjLsaAdjacenctList) {
+	var number = neighbor.GetNumOfActiveNeighbor() + neighbor.GetNumOfActiveNeighbor()
+	if number != 0 {
+		for i := 0; i < number; i++ {
+			var adjList = neighbor.GetAdjList()
+			var interestName = adjList[i].GetNeighborRouterIdentifier()
+			interestName.BuildIdentifierByString(MLSR_COMPONENT)
+			interestName.BuildIdentifierByString(INFO_COMPONENT)
+			//少一个添加commandname的
+			h.expressInterest(interestName, h.mlsrConfig.LsaInterestLifetime)
+
+		}
+	}
+	//调度器
+}
+
+//
+//  processInterest
+//  @Description: 处理来自邻居的Hello兴趣包
+//  @receiver h
+//  @param name
+//  @param interest
+//
+func (h *HelloProtocol) processInterest(name *component.Identifier, interest *packet.Interest) {
+	var neighbor *lsa.AdjLsaAdjacencyInfo
+	var neighborList *lsa.AdjLsaAdjacenctList
+	neighbor.WireDecode(interest.Raw())
+	if neighborList.IsNeighbor(name) {
+		var data *packet.Data
+		data.SetName((interest.GetName()).AppendVersionNumber())
+		data.SetFreshnessPeriod(uint64(time.Second * 10))
+		h.keychain.SignData(data)
+		h.face.SendData(data)
+		if neighbor.Status == 0 {
+			name.BuildIdentifierByString(MLSR_COMPONENT)
+			name.BuildIdentifierByString(INFO_COMPONENT)
+			//少一个添加commandname
+			h.expressInterest(name, h.mlsrConfig.LsaInterestLifetime)
+
+		}
+	}
+}
+
+//
+//  processInterestTimeOut
+//  @Description: 尝试通过hello协议重新联系邻居
+//  @receiver h
+//  @param interest
+//
+func (h *HelloProtocol) processInterestTimeOut(interest *packet.Interest) {
+
+}
+
+func (h *HelloProtocol) onContent(interest *packet.Interest, data *packet.Data) {
+
+}