diff --git a/src/main/java/component/LpPacketHeader.java b/src/main/java/component/LpPacketHeader.java
index 2bdf7e4..1161b3e 100644
--- a/src/main/java/component/LpPacketHeader.java
+++ b/src/main/java/component/LpPacketHeader.java
@@ -1,8 +1,8 @@
 package component;
 
-import encoding.Block;
-import encoding.Encoder;
-import encoding.IEncodingAble;
+import com.sun.org.apache.regexp.internal.RE;
+import encoding.*;
+import packet.LpPacket;
 
 /*
  * @Author: Wang Feng
@@ -13,9 +13,43 @@ import encoding.IEncodingAble;
  */
 public class LpPacketHeader implements TlvComponentBase, IEncodingAble {
     // 成员变量
-    private LpPacketFragmentId lpPacketFragmentId;
-    private LpPacketFragmentNum lpPacketFragmentNum;
-    private LpPacketFragmentSeq lpPacketFragmentSeq;
+    private LpPacketFragmentId lpPacketFragmentId=new LpPacketFragmentId();
+    private LpPacketFragmentNum lpPacketFragmentNum=new LpPacketFragmentNum();
+    private LpPacketFragmentSeq lpPacketFragmentSeq=new LpPacketFragmentSeq();
+
+    public LpPacketHeader(){
+    }
+
+    public LpPacketHeader(LpPacketFragmentId id,
+                          LpPacketFragmentNum num,LpPacketFragmentSeq seq){
+        this.lpPacketFragmentId=id;
+        this.lpPacketFragmentNum=num;
+        this.lpPacketFragmentSeq=seq;
+    }
+
+    public LpPacketFragmentId getLpPacketFragmentId() {
+        return lpPacketFragmentId;
+    }
+
+    public void setLpPacketFragmentId(LpPacketFragmentId lpPacketFragmentId) {
+        this.lpPacketFragmentId = lpPacketFragmentId;
+    }
+
+    public LpPacketFragmentNum getLpPacketFragmentNum() {
+        return lpPacketFragmentNum;
+    }
+
+    public void setLpPacketFragmentNum(LpPacketFragmentNum lpPacketFragmentNum) {
+        this.lpPacketFragmentNum = lpPacketFragmentNum;
+    }
+
+    public LpPacketFragmentSeq getLpPacketFragmentSeq() {
+        return lpPacketFragmentSeq;
+    }
+
+    public void setLpPacketFragmentSeq(LpPacketFragmentSeq lpPacketFragmentSeq) {
+        this.lpPacketFragmentSeq = lpPacketFragmentSeq;
+    }
 
     /**
      * 将 LpPacketHeader 线速编码为一个 TLV
@@ -24,7 +58,48 @@ public class LpPacketHeader implements TlvComponentBase, IEncodingAble {
      */
     @Override
     public int wireEncode(Encoder encoder) throws ComponentException {
+        try{
+            int totalLength=0;
+            // 编码 TLV-VALUE
+            // seq
+            int tmpLen=this.lpPacketFragmentSeq.wireEncode(encoder);
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
 
+            // num
+            tmpLen=this.lpPacketFragmentNum.wireEncode(encoder);
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            // id
+            tmpLen=this.lpPacketFragmentId.wireEncode(encoder);
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            // 编码 TLV-LENGTH
+            tmpLen=encoder.prependVarNumber(new VlInt(totalLength));
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            // 编码 TLV-TYPE
+            tmpLen=encoder.prependVarNumber(new VlInt(TLV.TlvLpPacketHeader));
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            return totalLength;
+        } catch (EncoderException e) {
+            throw new ComponentException("LpPacketHeader.wireEncode: "+e.getMessage());
+        }
     }
 
     /**
@@ -34,6 +109,43 @@ public class LpPacketHeader implements TlvComponentBase, IEncodingAble {
      */
     @Override
     public boolean wireDecode(Block block) throws ComponentException {
+        try {
+            // 检查 Type 是否正确
+            if (!TLV.expectType(block.getType(), new VlInt(TLV.TlvLpPacketHeader))) {
+                return false;
+            }
 
+            // 解析子组件
+            if(!block.parseSubElements()){
+                return false;
+            }
+
+            ElementContainer elementContainer=block.getSubElements();
+            for (int i = 0; i < elementContainer.length(); i++) {
+                Block newBlock=elementContainer.getBlock(i);
+                int type=newBlock.getType().getVlIntValue2Int();
+                switch (type){
+                    case TLV.TlvLpPacketFragmentId:
+                        if(!this.lpPacketFragmentId.wireDecode(newBlock)){
+                            return false;
+                        }
+                        break;
+                    case TLV.TlvLpPacketFragmentNum:
+                        if(!this.lpPacketFragmentNum.wireDecode(newBlock)){
+                            return false;
+                        }
+                        break;
+                    case TLV.TlvLpPacketFragmentSeq:
+                        if(!this.lpPacketFragmentSeq.wireDecode(newBlock)){
+                            return false;
+                        }
+                        break;
+                }
+            }
+
+            return true;
+        } catch (VlIntException | BlockException e) {
+            throw new ComponentException("LpPacketHeader.wireDecode: "+e.getMessage());
+        }
     }
 }
diff --git a/src/main/java/packet/Interest.java b/src/main/java/packet/Interest.java
index a2dd630..98bb348 100644
--- a/src/main/java/packet/Interest.java
+++ b/src/main/java/packet/Interest.java
@@ -39,16 +39,16 @@ import encoding.*;
 public class Interest implements InteractWithField, IEncodingAble {
     public MINPacket minPacket=new MINPacket();
     public CanBePrefix canBePrefix=new CanBePrefix();
-    private MustBeRefresh mustBeRefresh=new MustBeRefresh();
-    private InterestLifeTime interestLifeTime=new InterestLifeTime();
-    private Nonce nonce=new Nonce();
-    private HopLimit hopLimit=new HopLimit();
-    private Payload payload=new Payload();
-    private CongestionMark congestionMark=new CongestionMark();
-    private TTL ttl=new TTL();
-    private NackHeader nackHeader=new NackHeader();
+    public MustBeRefresh mustBeRefresh=new MustBeRefresh();
+    public InterestLifeTime interestLifeTime=new InterestLifeTime();
+    public Nonce nonce=new Nonce();
+    public HopLimit hopLimit=new HopLimit();
+    public Payload payload=new Payload();
+    public CongestionMark congestionMark=new CongestionMark();
+    public TTL ttl=new TTL();
+    public NackHeader nackHeader=new NackHeader();
 
-    private Identifier name=new Identifier();
+    public Identifier name=new Identifier();
 
     /**
      * 获取内容兴趣包的名字
diff --git a/src/main/java/packet/LpPacket.java b/src/main/java/packet/LpPacket.java
index 6b4ac63..9eacd2f 100644
--- a/src/main/java/packet/LpPacket.java
+++ b/src/main/java/packet/LpPacket.java
@@ -1,5 +1,10 @@
 package packet;
 
+import component.ComponentException;
+import component.LpPacketHeader;
+import component.Payload;
+import encoding.*;
+
 /*
  * @Author: Wang Feng
  * @Description:
@@ -7,5 +12,96 @@ package packet;
  * @Date: 17:33 2021/4/2
  * @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
  */
-public class LpPacket {
+public class LpPacket implements IEncodingAble {
+    public LpPacketHeader lpPacketHeader=new LpPacketHeader();
+    public Payload payload=new Payload();
+
+    /**
+     * 将 LpPacket 线速编码为一个 TLV
+     * @param encoder
+     * @return
+     * @throws ComponentException
+     * @throws PacketException
+     */
+    @Override
+    public int wireEncode(Encoder encoder) throws PacketException {
+        try {
+            int totalLength = 0;
+            // 编码 TLV-VALUE
+            // LpHeader
+            int tmpLen = this.lpPacketHeader.wireEncode(encoder);
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+            // Fragment
+            tmpLen = this.payload.wireEncode(encoder);
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            // 编码 TLV-LENGTH
+            tmpLen = encoder.prependVarNumber(new VlInt(totalLength));
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            // 编码 TLV-TYPE
+            tmpLen = encoder.prependVarNumber(new VlInt(TLV.TlvLpPacket));
+            if(tmpLen<=0){
+                return -1;
+            }
+            totalLength+=tmpLen;
+
+            return totalLength;
+        } catch (ComponentException | EncoderException e) {
+            throw new PacketException("LpPacket.wireEncode: "+e.getMessage());
+        }
+    }
+
+    /**
+     * 从 Block TLV 中解码出一个 LpPacket
+     * @param block
+     * @return
+     * @throws ComponentException
+     * @throws PacketException
+     */
+    @Override
+    public boolean wireDecode(Block block) throws PacketException {
+        try {
+            // 检查 Type 是否正确
+            if (!TLV.expectType(block.getType(), new VlInt(TLV.TlvLpPacket))) {
+                return false;
+            }
+
+            // 解析子组件
+            if(!block.parseSubElements()){
+                return false;
+            }
+
+            ElementContainer elementContainer=block.getSubElements();
+            for (int i = 0; i < elementContainer.length(); i++) {
+                Block newBlock=elementContainer.getBlock(i);
+                int type=newBlock.getType().getVlIntValue2Int();
+                switch (type){
+                    case TLV.TlvLpPacketHeader:
+                        if(!this.lpPacketHeader.wireDecode(newBlock)){
+                            return false;
+                        }
+                        break;
+                    case TLV.TlvPayload:
+                        if(!this.payload.wireDecode(newBlock)){
+                            return false;
+                        }
+                        break;
+                }
+            }
+
+            return true;
+        } catch (VlIntException | BlockException | ComponentException e) {
+            throw new PacketException("LpPacket.wireDecode: "+e.getMessage());
+        }
+    }
 }