finished component: HopLimit

src/main/java/component/FreshnessPeriod.java

@@ -20,6 +20,7 @@ public class FreshnessPeriod implements TlvComponentBase,InitialAble, IEncodingA
 
     public void setFreshnessPeriod(long freshnessPeriod) {
         this.freshnessPeriod = freshnessPeriod;
+        this.doInitial();
     }
 
     // 接口实现-变量区
@@ -83,7 +84,7 @@ public class FreshnessPeriod implements TlvComponentBase,InitialAble, IEncodingA
 
         // 读取 FreshnessPeriod
         long value=TLV.readNonNegativeInteger(block.getValue(),0,block.getLength().getVlIntValue2Int());
-        if(value==0){
+        if(value<0){
             return false;
         }
         this.setFreshnessPeriod(value);