fixed some test error

src/test/java/others/TestCallBack.java

@@ -2,6 +2,7 @@ package others;
 
 import component.CanBePrefix;
 import encoding.Block;
+import encoding.BlockException;
 import encoding.EncoderException;
 import encoding.SelfEncodingBase;
 
@@ -13,7 +14,7 @@ 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 {
+    public static void main(String[] args) throws EncoderException, BlockException {
         CanBePrefix canBePrefix=new CanBePrefix();
         Block block=new SelfEncodingBase().selfWireEncode(canBePrefix);
     }