diff --git a/src/main/java/logicface/LogicFace.java b/src/main/java/logicface/LogicFace.java
index 87b1f55..5f904ca 100644
--- a/src/main/java/logicface/LogicFace.java
+++ b/src/main/java/logicface/LogicFace.java
@@ -23,7 +23,7 @@ public class LogicFace {
     // 成员变量区
     public int logicFaceType;
     public ITransport transport;                      // 与logicFace绑定的transport
-    public LinkService linkService; // 与logicFace绑定的linkService
+    public LinkService linkService=new LinkService(); // 与logicFace绑定的linkService
     public LogicFaceCounters logicFaceCounters=new LogicFaceCounters(); // logicFace 流量统计对象
     public long expireTime; // 超时时间 ms
     public boolean state;   //  true 为 up , false 为down
diff --git a/src/main/java/logicface/LogicFaceICN.java b/src/main/java/logicface/LogicFaceICN.java
index a43c832..95d79b7 100644
--- a/src/main/java/logicface/LogicFaceICN.java
+++ b/src/main/java/logicface/LogicFaceICN.java
@@ -12,8 +12,10 @@ import util.ConcurrentHelper;
 import util.TimeHelper;
 
 import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.PriorityBlockingQueue;
 import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
 
 /*
  * @Author: Wang Feng
@@ -25,8 +27,8 @@ import java.util.concurrent.locks.Lock;
 public class LogicFaceICN extends LogicFace {
     public Timer timer;                 // 定时器，在processEvent函数中就被设置成很大的值
     public long recentExpireTime;       // 最近将要超时的时间戳
-    public Map<String, PITEntry> mPit;   // PIT表
-    public Lock timeoutEventHeapLock;   // 锁， mpit 、timeoutEventHeap、recentExpireTime
+    public Map<String, PITEntry> mPit=new ConcurrentHashMap<>();   // PIT表
+    public Lock timeoutEventHeapLock=new ReentrantLock();   // 锁， mpit 、timeoutEventHeap、recentExpireTime
     // 超时事件堆， 以超时时间排序的最小堆，初始化大小为1000
     public PriorityBlockingQueue<TimeoutEvent> timeoutEventHeap
             =new PriorityBlockingQueue<TimeoutEvent>(1000,new Comparator<TimeoutEvent>(){
@@ -36,7 +38,7 @@ public class LogicFaceICN extends LogicFace {
         }
     });
 
-    public Map<String, OnInterestInterface> mFib;
+    public Map<String, OnInterestInterface> mFib=new ConcurrentHashMap<>();
 
     /**
      * 通过最长匹配原则查找FIB表，找到合适的兴趣包处理函数