diff --git a/pom.xml b/pom.xml
index 6dc9ff1..361a3a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -106,11 +106,11 @@
 
     <!-- Sqlite Driver compatible with sqlcipher-->
     <!-- https://mvnrepository.com/artifact/org.xerial/sqlite-jdbc -->
-<!--    <dependency>-->
-<!--        <groupId>org.xerial</groupId>-->
-<!--        <artifactId>sqlite-jdbc</artifactId>-->
-<!--        <version>3.28.0</version>-->
-<!--    </dependency>-->
+    <dependency>
+        <groupId>org.xerial</groupId>
+        <artifactId>sqlite-jdbc</artifactId>
+        <version>3.28.0</version>
+    </dependency>
     <dependency>
         <groupId>io.github.willena</groupId>
         <artifactId>sqlite-jdbc</artifactId>
@@ -139,11 +139,11 @@
 
     <!-- Unix Socket -->
     <!-- https://mvnrepository.com/artifact/com.github.jnr/jnr-unixsocket -->
-<!--    <dependency>-->
-<!--        <groupId>com.github.jnr</groupId>-->
-<!--        <artifactId>jnr-unixsocket</artifactId>-->
-<!--        <version>0.18</version>-->
-<!--    </dependency>-->
+    <dependency>
+        <groupId>com.github.jnr</groupId>
+        <artifactId>jnr-unixsocket</artifactId>
+        <version>0.18</version>
+    </dependency>
     <!-- https://mvnrepository.com/artifact/com.cloudbees.util/jnr-unixsocket-nodep -->
     <dependency>
         <groupId>com.cloudbees.util</groupId>
diff --git a/src/test/java/packet/DataTest.java b/src/test/java/packet/DataTest.java
index fcdf928..c5c9ff4 100644
--- a/src/test/java/packet/DataTest.java
+++ b/src/test/java/packet/DataTest.java
@@ -3,7 +3,12 @@ package packet;
 import component.ComponentException;
 import component.Identifier;
 import encoding.*;
+import minsecurity.Common;
+import minsecurity.certificate.cert.CertUtils;
+import minsecurity.certificate.cert.Certificate;
+import minsecurity.crypto.sm2.SM2KeyPair;
 import minsecurity.identity.Identity;
+import minsecurity.identity.KeyParam;
 import org.junit.Test;
 import security.KeyChain;
 
@@ -73,35 +78,81 @@ public class DataTest {
                 +" , payload: "+newData.payload.getValue() );
     }
 
-    @Test
-    public void WireEncode2() throws Exception {
-        Identifier name = new Identifier("/min/pkusz");
-        //////////////////// 构建数据包 ////////////////////////
-        Data data = new Data();
-        data.setName(name);
-        data.freshnessPeriod.setFreshnessPeriod(1234);
-        byte[] str = "hello world".getBytes();
-        data.congestionMark.setCongestionLevel(1234);
-// todo       data.setttl(1234);
-        /////////////////////////////////////////////////////
+    /**
+     * 随机生成身份数据
+     * @return Identity
+     */
+    private Identity createRandomIdentity() throws Exception{
+        // 测试PersistIdentity
+        SM2KeyPair pair = SM2KeyPair.generateKeyPair();
+        Identity identity = new Identity();
+        identity.setName("/zf"+Math.random()); // 身份名称必须以/开头 Identifier规定
+        KeyParam keyParam = new KeyParam();
+        keyParam.PublicKeyAlgorithm = 0;
+        keyParam.SignatureAlgorithm = 0;
+        identity.setKeyParam(keyParam);
+        identity.setPrikey(pair.getSm2PrivateKey());
+        identity.setPubkey(pair.getSm2PublicKey());
+        identity.setPasswd("2DD29CA851E7B56E4697B0E1F08507293D761A05CE4D1B628663F411A8086D99");
+        // identity.lock("0123456789abcdef", Common.SM4ECB);
+        Certificate cert = new Certificate();
+        cert.setVersion(1);
+        cert.setSerialNumber(1);
+        cert.setPublicKey(pair.getSm2PublicKey());
+        cert.setSignatureAlgorithm(Common.SM3withSM2); // TODO 名字有误？ SM2withSM3?
+        cert.setPublicKeyAlgorithm(Common.SM2);
+        cert.setIssueTo("root");
+        cert.setIssuer("root");
+        long timestamp = System.currentTimeMillis() / 1000;
+        cert.setTimestamp(timestamp); // 10bit timestamp
+        cert.setNotAfter(timestamp); // 10bit timestamp
+        cert.setNotBefore(timestamp + 1000); // 10bit timestamp
+        cert.setKeyUsage(Common.CertSign);
+        cert.setCA(true);
+        CertUtils.signCert(cert, pair.getSm2PrivateKey());
 
-        //////////////////// 数据包签名 ////////////////////////
-        // 如果要进行包签名的话，则需要加入KeyChain
-        KeyChain keyChain = new KeyChain();
-        // 获取身份
-        Identity i = keyChain.getIdentifyManager().getIdentityByName("/localhost/operator");
-        // 将身份对应的加密秘钥作为第二个参数传入
-        keyChain.setCurrentIdentity(i,"pkusz123pkusz123");
-        keyChain.signData(data);
-        /////////////////////////////////////////////////////
-
-        // 获取编码结果
-        Encoder encoder = new Encoder();
-        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize), new SizeT(0));
-        data.wireEncode(encoder);
-        byte[] buf = encoder.getBuffer();
-        System.out.println(Arrays.toString(buf));
+        identity.setCert(cert);
+        return identity;
     }
+
+//    @Test
+//    public void WireEncode2() throws Exception {
+//        //////////////////// 构建数据包 ////////////////////////
+//        Identifier name = new Identifier("/min/pkusz");
+//        Data data = new Data();
+//        data.setName(name);
+//        data.freshnessPeriod.setFreshnessPeriod(1234);
+//        byte[] str = "hello world".getBytes();
+//        data.congestionMark.setCongestionLevel(1234);
+//////    data.setttl(1234);
+//        /////////////////////////////////////////////////////
+//
+//        //////////////////// 数据包签名 ////////////////////////
+//        //测试设置新身份为当前身份
+//        KeyChain keyChain = new KeyChain();
+//        Identity id = createRandomIdentity();
+//        keyChain.getIdentifyManager().setDefaultIdentity(id,true);
+//        // 输入命名解锁身份
+//        keyChain.setCurrentIdentity(keyChain.getIdentifyManager().getDefaultIdentity(),"0123456789abcdef");
+//        keyChain.signData(data);
+//
+////        //////////////////// 数据包签名 ////////////////////////
+////        // 如果要进行包签名的话，则需要加入KeyChain
+////        KeyChain keyChain = new KeyChain();
+////        // 获取身份
+////        Identity i = keyChain.getIdentifyManager().getIdentityByName("/localhost/operator");
+////        // 将身份对应的加密秘钥作为第二个参数传入
+////        keyChain.setCurrentIdentity(i,"pkusz123pkusz123");
+////        keyChain.signData(data);
+////        /////////////////////////////////////////////////////
+////
+//        // 获取编码结果
+//        Encoder encoder = new Encoder();
+//        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize), new SizeT(0));
+//        data.wireEncode(encoder);
+//        byte[] buf = encoder.getBuffer();
+//        System.out.println(Arrays.toString(buf));
+//    }
 }
 
 
diff --git a/src/test/java/packet/InterestTest.java b/src/test/java/packet/InterestTest.java
index e627a9c..5a50035 100644
--- a/src/test/java/packet/InterestTest.java
+++ b/src/test/java/packet/InterestTest.java
@@ -71,37 +71,37 @@ public class InterestTest {
                 +" , ttl； "+newInterest.ttl.ttl());
     }
 
-    @Test
-    public void TestInterest_WireEncode2() throws Exception {
-        Identifier name = new Identifier("/min/pkusz");
-        //////////////////// 构建兴趣包 ////////////////////////
-        Interest interest = new Interest();
-        interest.setName(name);
-        interest.canBePrefix.setCanBePrefix(true);
-        interest.mustBeRefresh.setMustBeRefresh(true);
-        interest.nonce.setNonce(1234);
-        interest.hopLimit.setHopLimit(1234);
-        interest.congestionMark.setCongestionLevel(1234);
-        interest.ttl.setTtl(1234);
-        byte[] str = "hello world".getBytes();
-        interest.payload.setValue(str);
-        //////////////////////////////////////////////////////
-
-        //////////////////// 兴趣包签名 ////////////////////////
-        // 如果要进行包签名的话，则需要加入KeyChain
-        KeyChain keyChain = new KeyChain();
-//        Identity i = keyChain.getIdentifyManager().getIdentityByName("/min123");
-        Identity i = keyChain.getIdentifyManager().getIdentityByName("/localhost/operator");
-        keyChain.setCurrentIdentity(i,"pkusz123pkusz123");
-        keyChain.signInterest(interest);
-        /////////////////////////////////////////////////////
-
-        // 获取编码结果
-        Encoder encoder = new Encoder();
-        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize), new SizeT(0));
-        interest.wireEncode(encoder);
-        byte[] buf = encoder.getBuffer();
-        System.out.println(Arrays.toString(buf));
-
-    }
+//    @Test
+//    public void TestInterest_WireEncode2() throws Exception {
+//        Identifier name = new Identifier("/min/pkusz");
+//        //////////////////// 构建兴趣包 ////////////////////////
+//        Interest interest = new Interest();
+//        interest.setName(name);
+//        interest.canBePrefix.setCanBePrefix(true);
+//        interest.mustBeRefresh.setMustBeRefresh(true);
+//        interest.nonce.setNonce(1234);
+//        interest.hopLimit.setHopLimit(1234);
+//        interest.congestionMark.setCongestionLevel(1234);
+//        interest.ttl.setTtl(1234);
+//        byte[] str = "hello world".getBytes();
+//        interest.payload.setValue(str);
+//        //////////////////////////////////////////////////////
+//
+//        //////////////////// 兴趣包签名 ////////////////////////
+//        // 如果要进行包签名的话，则需要加入KeyChain
+//        KeyChain keyChain = new KeyChain();
+////        Identity i = keyChain.getIdentifyManager().getIdentityByName("/min123");
+//        Identity i = keyChain.getIdentifyManager().getIdentityByName("/localhost/operator");
+//        keyChain.setCurrentIdentity(i,"pkusz123pkusz123");
+//        keyChain.signInterest(interest);
+//        /////////////////////////////////////////////////////
+//
+//        // 获取编码结果
+//        Encoder encoder = new Encoder();
+//        encoder.encoderReset(new SizeT(Encoder.MaxPacketSize), new SizeT(0));
+//        interest.wireEncode(encoder);
+//        byte[] buf = encoder.getBuffer();
+//        System.out.println(Arrays.toString(buf));
+//
+//    }
 }