fixed error handle

src/test/java/others/TestCallBack.java

@@ -1,10 +1,12 @@
 package others;
 
 import component.CanBePrefix;
+import component.ComponentException;
 import encoding.Block;
 import encoding.BlockException;
 import encoding.EncoderException;
 import encoding.SelfEncodingBase;
+import packet.PacketException;
 
 /*
  * @Author: Wang Feng
@@ -14,7 +16,7 @@ import encoding.SelfEncodingBase;
  * @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 TestCallBack {
-    public static void main(String[] args) throws EncoderException, BlockException {
+    public static void main(String[] args) throws EncoderException, BlockException, PacketException, ComponentException {
         CanBePrefix canBePrefix=new CanBePrefix();
         Block block=new SelfEncodingBase().selfWireEncode(canBePrefix);
     }