diff --git a/src/test/java/component/MutableFieldTest.java b/src/test/java/component/MutableFieldTest.java
new file mode 100644
index 0000000..be1a307
--- /dev/null
+++ b/src/test/java/component/MutableFieldTest.java
@@ -0,0 +1,77 @@
+package component;
+
+import encoding.*;
+import org.junit.Test;
+
+import java.util.Arrays;
+
+/*
+ * @Author: Wang Feng
+ * @Description:
+ * @Version: 1.0.0
+ * @Date: 21:37 2021/3/25
+ * @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 MutableFieldTest {
+    @Test
+    public void TestMutableField_WireEncode() throws BlockException, EncoderException, ComponentException {
+        MutableProtectField mutableP=new MutableProtectField();
+        byte[] bufP={(byte)1, (byte)6, (byte)0, (byte)0, (byte)110, (byte)50, (byte)24, (byte)66};
+        Block blockP=new Block(bufP,false);
+        byte[] buf1P={(byte)2,(byte)0};
+        Block block1P=new Block(buf1P,false);
+        mutableP.addBlock(blockP);
+        mutableP.addBlock(block1P);
+        MutableDangerousField mutableD=new MutableDangerousField();
+        byte[] buf={(byte)3, (byte)6, (byte)0, (byte)0, (byte)110, (byte)50, (byte)24, (byte)66};
+        Block block=new Block(buf,false);
+        byte[] buf1={(byte)4,(byte)0};
+        Block block1=new Block(buf1,false);
+        mutableD.addBlock(block);
+        mutableD.addBlock(block1);
+
+        MutableField mutableField=new MutableField();
+        mutableField.mutableProtectField=mutableP;
+        mutableField.mutableDangerousField=mutableD;
+
+        Encoder encoder=new Encoder();
+        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize),new SizeT(0));
+        mutableField.wireEncode(encoder);
+        byte[] buff=encoder.getBuffer();
+        System.out.println(Arrays.toString(buff));
+    }
+
+    @Test
+    public void TestMutableField_WireDecode() throws EncoderException, ComponentException, BlockException {
+        MutableProtectField mutableP=new MutableProtectField();
+        byte[] bufP={(byte)1, (byte)6, (byte)0, (byte)0, (byte)110, (byte)50, (byte)24, (byte)66};
+        Block blockP=new Block(bufP,false);
+        byte[] buf1P={(byte)2,(byte)0};
+        Block block1P=new Block(buf1P,false);
+        mutableP.addBlock(blockP);
+        mutableP.addBlock(block1P);
+        MutableDangerousField mutableD=new MutableDangerousField();
+        byte[] buf={(byte)3, (byte)6, (byte)0, (byte)0, (byte)110, (byte)50, (byte)24, (byte)66};
+        Block block=new Block(buf,false);
+        byte[] buf1={(byte)4,(byte)0};
+        Block block1=new Block(buf1,false);
+        mutableD.addBlock(block);
+        mutableD.addBlock(block1);
+
+        MutableField mutableField=new MutableField();
+        mutableField.mutableProtectField=mutableP;
+        mutableField.mutableDangerousField=mutableD;
+
+        Encoder encoder=new Encoder();
+        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize),new SizeT(0));
+        mutableField.wireEncode(encoder);
+        byte[] buff=encoder.getBuffer();
+        System.out.println(Arrays.toString(buff));
+
+        Block block2=new Block(buff,false);
+        MutableField mutableField1=new MutableField();
+        mutableField1.wireDecode(block2);
+        System.out.println(mutableField1.mutableProtectField.getBlocks().length());
+        System.out.println(mutableField1.mutableDangerousField.getBlocks().length());
+    }
+}