diff --git a/src/main/java/com/sunyard/inf/SydCryptionApi.java b/src/main/java/com/sunyard/inf/SydCryptionApi.java
index 9bcce0c..2ee413b 100644
--- a/src/main/java/com/sunyard/inf/SydCryptionApi.java
+++ b/src/main/java/com/sunyard/inf/SydCryptionApi.java
@@ -202,7 +202,7 @@ interface SydSYMApi {
     /**
      * 用输入的会话密钥，对指定报文数据进行加密处理。填充模式为1
      *
-     * @param nAlg 算法标识., 1:DES,2:AES256,3:SM4。
+     * @param nAlg 算法标识., 0x00:3DES，0x01:SM4。
      * @param seesionKey 本地LMK 加密的会话密钥，HEX 格式
      * @param pINdata 要加密的报文明文。必须是 8 或16 的倍数。
      * @return 输出的报文密文, 长度为报文明文 + 16
@@ -234,7 +234,7 @@ interface SydSYMApi {
     /**
      * 用输入的会话密钥，对指定报文数据进行解密处理。填充模式为1
      *
-     * @param nAlg       　算法标识.1:DES,2:AES256,3:SM4。
+     * @param nAlg       　算法标识.0x00:3DES，0x01:SM4。
      * @param seesionKey 本地LMK 加密的会话密钥，HEX 格式
      * @param pINdata    要解密的报文密文。长度必须是8 或16 的倍数。
      * @return 输出的报文明文。
diff --git a/src/main/java/racal/sunyard/main/SydApi4j.java b/src/main/java/racal/sunyard/main/SydApi4j.java
index f6af4c9..b7c5758 100644
--- a/src/main/java/racal/sunyard/main/SydApi4j.java
+++ b/src/main/java/racal/sunyard/main/SydApi4j.java
@@ -2362,6 +2362,7 @@ public class SydApi4j implements SydApi {
         data.put("certificateModel$option", 0);
         data.put("certificateSn", pCertSerial);
         data.put("inData", pOrgData);
+        data.put("dataFlag", 'P');
         packet.put("data", data);
 
         // 渲染发送
@@ -2413,6 +2414,7 @@ public class SydApi4j implements SydApi {
         data.put("certificateSn", pCertSerial);
         data.put("inData", pOrgData);
         data.put("sign", pSignData);
+        data.put("dataFlag", 'P');
         packet.put("data", data);
 
         // 渲染发送
diff --git a/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java b/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
index 20199c9..d4d72b8 100644
--- a/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
+++ b/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
@@ -912,7 +912,17 @@ public class TestAllMethods {
     // E2
     @Test
     public void testSM2OrRSAGenKeyPair() {
-        String index = "1111111111111123";
+        // 000
+//        String index = "1111111111111147";
+//        // 0342000422C4FC907E0BEC600C2070D675EFB65EAE3A628260FF5461DD5F8133CF7CF98530EF392D016B6487BA6148E9AC27BDD4E8D7404A310CB09335F50AEF00ADB068
+
+        // 001
+//        String index = "1111111111111148";
+        // 0342000450420312F4ABAD98AA8EFC1F8F8204BD9E2F752C59C25A4025E675EDA5FB2337A449E00241EFA4A2F76A6C58D9834D6F0AB1164652E9C588E0EBD539C8ECB9EF
+
+        // 1111111111111149 000 00000001
+        String index = "1111111111111149";
+        // 03420004080589A33A4DB304A3C48355761AC216B8BB5493966996E532B664A5B9CD8F1374F0DAACBF3F6D1F0E48E10DAA91889DB632FF4BE19D903502680D1AB56584D5
 
         // SM2
         RetWrap retWrap = api.SM2OrRSAGenKeyPair(1, index, 0);
@@ -1225,10 +1235,9 @@ public class TestAllMethods {
     @Test
     public void testDecryptDE2() {
         String sn = "1004282452";
-        RetWrap retWrap = api.generateDE(sn, (byte) 0x30);
-        String sessionKey = (String) retWrap.get("SessionKey");
+        RetWrap retWrap = api.generateDE(sn, SydApi.ALG_SM4);
         String CipherKey = (String) retWrap.get("CipherKey");
-        String KCV = (String) retWrap.get("KCV");
+        printRetWrap(retWrap);
 
         RetWrap retWrap1 = api.decryptDE(sn, CipherKey);
         printRetWrap(retWrap1);
@@ -1482,10 +1491,10 @@ public class TestAllMethods {
     @Test
     public void testSM2Verify3() {
 
-        String thisPublicKey = "034200045AC5014ED6A2CA0F9F79F3A34ADF4B8B92383F09E2D2F2F5B56F3D6C05B3EE43A3D65E57D3979C6CE9F6CEC5E0E30DC564416BFCB9A3E2D071559098B6B6BEF6";
+        String thisPublicKey = "0342000422C4FC907E0BEC600C2070D675EFB65EAE3A628260FF5461DD5F8133CF7CF98530EF392D016B6487BA6148E9AC27BDD4E8D7404A310CB09335F50AEF00ADB068";
         String thisOrgData = "FFFFFFFFFFFFFFFF";
 
-        String s = api.SM2SignC(1, "111111111111111700000000001", Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes());
+        String s = api.SM2SignC(1, "111111111111114700000000001", Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes());
 
         System.out.println(s);
         boolean b = api.SM2Verify( Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes(), s);
@@ -1497,9 +1506,9 @@ public class TestAllMethods {
     @Test
     public void testSM2Verify() {
 
-        String userId = "1111111111111113";
+        String userId = "1111111111111149";
         String certNo = "1234567812345678";
-        String thisPublicKey = "03420004549B6A1A09A5D0D9432C6829D443F85ED8785340FC1AB14118BB7637830C808F7A888DF0C4F988EA6FF2EE6C76ECD00C4B7CEC92CC8EA365F8EA291041CAB231";
+        String thisPublicKey = "03420004080589A33A4DB304A3C48355761AC216B8BB5493966996E532B664A5B9CD8F1374F0DAACBF3F6D1F0E48E10DAA91889DB632FF4BE19D903502680D1AB56584D5";
         String thisOrgData = "FFFFFFFFFFFFFFFF";
 
         String s = api.SM2SignC(userId, certNo, 1, Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes());
@@ -1533,7 +1542,8 @@ public class TestAllMethods {
     // QQ
     @Test
     public void testSM2GetPublicKeyC() {
-        String s = api.SM2GetPublicKeyC("0000000011111111", 0);
+        String s = api.SM2GetPublicKeyC("0000000000000001", 0);
+        System.out.println("获取到的公钥: " + s);
     }
 
     // 测试通过
diff --git a/src/test/java/com/sunyard/sydapi/test/TestXJ.java b/src/test/java/com/sunyard/sydapi/test/TestXJ.java
new file mode 100644
index 0000000..7dc0181
--- /dev/null
+++ b/src/test/java/com/sunyard/sydapi/test/TestXJ.java
@@ -0,0 +1,457 @@
+package com.sunyard.sydapi.test;
+
+import com.sunyard.RetWrap;
+import com.sunyard.SydApi;
+import com.sunyard.cert.X509;
+import com.sunyard.proto.Util;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import racal.sunyard.main.SydApi4j;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+/**
+ * 新疆联通政务云
+ */
+public class TestXJ {
+
+    SydApi4j api;
+
+    @Before
+    public void before() {
+        // 通过设置debug的属性开启debug，如果不设置则默认不打开
+        System.setProperty("com.sunyard.sydapi4j.debug", "true");
+        api = (SydApi4j) new SydApi4j().connect("192.168.0.100", 8889, null, 1000);
+    }
+
+    @After
+    public void after() {
+        try {
+            this.api.disconnect();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    // 测试通过
+    // 8003
+    @Test
+    public void testSYD_NakedSign() {
+        String dn = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        byte[] bytes = api.SYD_NakedSign("111".getBytes(), dn);
+        System.out.println(Util.bytes2HexString(bytes));
+    }
+
+    // 测试通过
+    // 8004
+    @Test
+    public void testSYD_NakedVerify() {
+        String dn = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        String orgData = "111";
+        byte[] bytes = api.SYD_NakedSign(orgData.getBytes(), dn);
+        String sign = Util.bytes2HexString(bytes);
+        System.out.println(sign);
+
+        boolean b = api.SYD_NakedVerify(orgData.getBytes(), bytes, dn);
+        System.out.println(b);
+    }
+
+    // 测试通过
+    // 6C
+    @Test
+    public void testNetSign() {
+        String sn = "1004282451";
+        String s = api.netSign(sn, "111".getBytes());
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 6D
+    @Test
+    public void testNetVerify() {
+        String sn = "1004282451";
+        String data = "111";
+        String s = api.netSign(sn, data.getBytes());
+
+        boolean b = api.netVerify(sn, data.getBytes(), s);
+        System.out.println(b);
+    }
+
+    // 测试通过
+    // 80
+    @Test
+    public void testSM2SignCustomized() {
+        String sn = "1004282452";
+        String s = api.SM2SignCustomized(sn, "111".getBytes());
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 81
+    @Test
+    public void testSM2VerifyCustomized() {
+        String sn = "1004282451";
+        String data = "111";
+        String s = api.SM2SignCustomized(sn, data.getBytes());
+
+        boolean b = api.SM2VerifyCustomized(sn, data.getBytes(), s);
+        System.out.println(b);
+    }
+
+    // 测试通过
+    // 74
+    @Test
+    public void testSM2SignC() {
+        String userId = "1111111111111113";
+        String certNo = "1234567812345678";
+        String thisPublicKey = "03420004549B6A1A09A5D0D9432C6829D443F85ED8785340FC1AB14118BB7637830C808F7A888DF0C4F988EA6FF2EE6C76ECD00C4B7CEC92CC8EA365F8EA291041CAB231";
+        String thisOrgData = "FFFFFFFFFFFFFFFF";
+
+        String s = api.SM2SignC(userId, certNo, 1, Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes());
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 75
+    @Test
+    public void testSM2Verify() {
+
+        String userId = "1111111111111113";
+        String certNo = "1234567812345678";
+        String thisPublicKey = "03420004549B6A1A09A5D0D9432C6829D443F85ED8785340FC1AB14118BB7637830C808F7A888DF0C4F988EA6FF2EE6C76ECD00C4B7CEC92CC8EA365F8EA291041CAB231";
+        String thisOrgData = "FFFFFFFFFFFFFFFF";
+
+        String s = api.SM2SignC(userId, certNo, 1, Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes());
+
+        System.out.println(s);
+        boolean b = api.SM2Verify(certNo, 1, Util.hexString2Bytes(thisPublicKey), thisOrgData.getBytes(), s);
+        System.out.println(b);
+    }
+
+    // 测试通过
+    // 8005
+    @Test
+    public void testSYD_DetachedSign() {
+
+        String orgData = "3214312341243214";
+        String DN = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        String s = api.SYD_DetachedSign(orgData.getBytes(), DN);
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 8006
+    @Test
+    public void testSYD_DetachedVerify() {
+        String orgData = "3214312341243214";
+        String DN = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        String sign = api.SYD_DetachedSign(orgData.getBytes(), DN);
+        System.out.println("签名结果" + sign);
+
+        boolean b = api.SYD_DetachedVerify(orgData.getBytes(), sign);
+        System.out.println("验签结果:" + b);
+    }
+
+    // 测试通过
+    // 8005
+    @Test
+    public void testSm3AndDetachedSign() {
+        String publicKey = "0342000469DE3847DD6A66DA96DB8F2DCFA32E10E680FF2EF4A592079E7C3A44320BB15084E7CA9782A39B6E28F07C04FE00D68958A2605921E71712D56C1E4435A39FA5";
+        String orgData = "FFFFFFFFFFFFFFFF";
+        String testCertNo = "C=CN,O=Sunyard,OU=8001,CN=8001";
+
+        String sign = api.sm3AndDetachedSign(orgData.getBytes(), publicKey, testCertNo);
+        System.out.println("签名结果: " + sign);
+
+        boolean b = api.sm3AndDetachedVerify(orgData.getBytes(), publicKey, sign);
+        System.out.println("验签结果:" + b);
+    }
+
+
+    // 测试通过
+    // 8005
+    @Test
+    public void testDetachedSign() {
+        String publicKey = "0342000469DE3847DD6A66DA96DB8F2DCFA32E10E680FF2EF4A592079E7C3A44320BB15084E7CA9782A39B6E28F07C04FE00D68958A2605921E71712D56C1E4435A39FA5";
+        String orgData = "FFFFFFFFFFFFFFFF";
+        String testCertNo = "C=CN,O=Sunyard,OU=8001,CN=8001";
+
+        byte[] hash = api.SM3Hash(publicKey, orgData.getBytes());
+
+        String sign = api.detachedSign(
+                SydApi.DATA_HASH,
+                hash,
+                testCertNo
+        );
+
+        System.out.println("\t签名结果: " + sign);
+
+        boolean verify = api.detachedVerify(
+                SydApi.DATA_HASH,
+                hash,
+                sign
+        );
+
+        System.out.println("\t验签结果: " + verify);
+    }
+
+    // 测试通过
+    // 72
+    @Test
+    public void testSM2GenSessionKey() {
+
+        String pk="034200041CD47354867E12B9D138F098413C47D42EDEB2AD402EAB431C0C7AC2FE2D6DE9C67273C643C709F2A749188941B7FA7F9FF14F8E7D19316936DB4D4954FF3819";
+
+        RetWrap retWrap = api.SM2GenSessionKey(pk);
+        printRetWrap(retWrap);
+    }
+
+    // 测试通过
+    // 73
+    @Test
+    public void testSM2ConfirmSessionKeyC() {
+
+        String userId = "1111111111111147";
+
+        String pk="0342000422C4FC907E0BEC600C2070D675EFB65EAE3A628260FF5461DD5F8133CF7CF98530EF392D016B6487BA6148E9AC27BDD4E8D7404A310CB09335F50AEF00ADB068";
+
+        RetWrap retWrap = api.SM2GenSessionKey(pk);
+        printRetWrap(retWrap);
+
+        String cipherKey = (String) retWrap.get("CipherKey");
+
+        RetWrap retWrap1 = api.SM2ConfirmSessionKeyC(userId, cipherKey);
+        printRetWrap(retWrap1);
+    }
+
+    // 测试通过
+    // E0
+    @Test
+    public void testSYMEncryptData() {
+        String sessionKey = "XF356BCBA3204F6E6F356BCBA3204F6E6";
+        String pInData = "1111111111111111";
+
+        byte[] bytes = api.SYMEncryptData(3,sessionKey, pInData.getBytes());
+        byte[] bytes1 = api.SYMDecryptData(3, sessionKey, bytes);
+        System.out.println(new String(bytes1));
+    }
+
+    // 测试通过
+    // E0
+    @Test
+    public void testEncDecData() {
+
+        String msg = "1111111111111111111111";
+
+        String key = "X3C9003C47A13379011733681ABB4A4D0";
+
+        byte[] bytes = api.SYMEncryptDataCBC(1, key, msg.getBytes());
+
+        System.out.println("输出为: " + Util.bytes2HexString(bytes));
+
+        byte[] bytes1 = api.SYMDecryptDataCBC(1, key, bytes);
+        System.out.println("明文：" + new String(bytes1));
+    }
+
+    // 测试通过
+    // 6B
+    @Test
+    public void testDecryptDE() {
+        String sn = "1004282452";
+        RetWrap retWrap = api.generateDE(sn, (byte) 0x30);
+        String sessionKey = (String) retWrap.get("SessionKey");
+        String CipherKey = (String) retWrap.get("CipherKey");
+        String KCV = (String) retWrap.get("KCV");
+
+        RetWrap retWrap1 = api.decryptDE(sn, CipherKey);
+        printRetWrap(retWrap1);
+    }
+
+    // 测试通过
+    // 7E
+    @Test
+    public void testSYD_SM2_Get_Dn_PublicKey_HA() {
+        String dn = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        String s = api.SYD_SM2_Get_Dn_PublicKey_HA(dn.getBytes(), 0);
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 6E
+    @Test
+    public void testGetX509SN() {
+        String dn = "C=CN,ST=ZJ,L=HZ,O=SUNYARD,OU=123456,CN=111";
+        String s = api.getX509SN(0, dn.getBytes());
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 7E
+    @Test
+    public void testGetDNPublicKey() {
+        String dn = "C=CN,O=Sunyard,OU=8001,CN=8001";
+        String s = api.GetDNPublicKey(0, dn.getBytes());
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // QQ
+    @Test
+    public void testSM2GetPublicKeyC() {
+        String userId = "1111111111111117";
+
+        String s = api.SM2GetPublicKeyC(userId, 0);
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // 8016
+    @Test
+    public void testGetX509CertInfo() {
+
+        String pCert = "-----BEGIN CERTIFICATE-----\u0007MIIC1jCCAnqgAwIBAgIFQAKAAXQwDAYIKoEcz1UBg3UFADBhMQswCQYDVQQGEwJD\u0007TjEwMC4GA1UECgwnQ2hpbmEgRmluYW5jaWFsIENlcnRpZmljYXRpb24gQXV0aG9y\u0007aXR5MSAwHgYDVQQDDBdDRkNBIEFDUyBURVNUIFNNMiBPQ0EzMTAeFw0xNzExMTYw\u0007NjU0NDVaFw0yMjExMTYwNjU0NDVaMIGDMQswCQYDVQQGEwJDTjEcMBoGA1UECgwT\u0007Q0ZDQSBURVNUIFNNMiBPQ0EzMTEOMAwGA1UECwwFU0hDUEUxGTAXBgNVBAsMEE9y\u0007Z2FuaXphdGlvbmFsLTExKzApBgNVBAMMIjA1MUDkuIrmtbfnpajmja7kuqTmmJPm\u0007iYBAQUFBQUFBQDgwWTATBgcqhkjOPQIBBggqgRzPVQGCLQNCAARg8D1RBEv9lpOE\u0007Q3SdzdLCQ4fDiE8Ncb2Fl4qIGc12GA/LUS1fgzLZuk0WlgyZDSe+QlQziqkmsXsx\u0007KoTCzqsto4H5MIH2MD8GCCsGAQUFBwEBBDMwMTAvBggrBgEFBQcwAYYjaHR0cDov\u0007L29jc3B0ZXN0LmNmY2EuY29tLmNuOjgwL29jc3AwHwYDVR0jBBgwFoAUBMe8+VkB\u0007aT6MNDYgYhg83ry1uwwwDAYDVR0TAQH/BAIwADA2BgNVHR8ELzAtMCugKaAnhiVo\u0007dHRwOi8vMjEwLjc0LjQyLjMvT0NBMzEvU00yL2NybDEuY3JsMA4GA1UdDwEB/wQE\u0007AwIGwDAdBgNVHQ4EFgQUomdLtdhENYb16pe1LNRlcr4N7b8wHQYDVR0lBBYwFAYI\u0007KwYBBQUHAwIGCCsGAQUFBwMEMAwGCCqBHM9VAYN1BQADSAAwRQIgZpJGhpRKmgfi\u0007Vbdq3UAGW6I3AUMfbWMd6webLQXmCOoCIQDSxTKRb0TfoXepD3VgO9qxCDwSc4yn\u0007WJ2GC3qmr81QBg==\u0007-----END CERTIFICATE-----\u0007";
+        X509 x509 = api.GetX509CertInfo(pCert);
+
+        String path = "E:\\work\\sunyard\\证书\\sm2.q\\sm2.q.enc.crt.pem";
+        X509 x509_1 = api.GetX509CertInfo(getCertStr(path));
+    }
+
+    // 测试通过
+    // 8017
+    @Test
+    public void testGetX509CertFileC() {
+        String userId = "8001";
+
+        String s = api.GetX509CertFileC(userId, 0);
+        System.out.println(s);
+    }
+
+    // 测试通过
+    // E2
+    @Test
+    public void testSM2GenKeyPair() {
+        RetWrap retWrap = api.SM2GenKeyPair();
+        printRetWrap(retWrap, true);
+    }
+
+    // 测试通过
+    // QN
+    @Test
+    public void testSYD_SM2GenKeyPair() {
+        RetWrap retWrap = api.SYD_SM2GenKeyPair();
+        printRetWrap(retWrap);
+    }
+
+    // 测试通过
+    // 77
+    @Test
+    public void testSM2Encrypt() {
+        String publicKey = "03420004C51A40A094B6A14500B2980603D68CA263FF1BA238AFB17BB8B791C5F444465A749B68B4584C83E7BEF66DE2446177E14DBE0F32691F54B1636CC73334A1A94D";
+        String orgData = "FFFFFFFFFFFFFFFF";
+        String s = api.SM2Encrypt(Util.hexString2Bytes(publicKey), orgData.getBytes());
+
+        System.out.println("encData: " + s);
+    }
+
+    // 测试通过
+    // 78
+    @Test
+    public void testSM2DecryptC() {
+        String certId = "1111111111111122";
+        String publicKey = "0342000469DE3847DD6A66DA96DB8F2DCFA32E10E680FF2EF4A592079E7C3A44320BB15084E7CA9782A39B6E28F07C04FE00D68958A2605921E71712D56C1E4435A39FA5";
+        String orgData = "FFFFFFFFFFFFFFFF";
+        String s = api.SM2Encrypt(Util.hexString2Bytes(publicKey), orgData.getBytes());
+
+        byte[] bytes = api.SM2DecryptC(certId, s);
+
+        System.out.println("decData:" + new String(bytes));
+    }
+
+    // 测试通过
+    // 76
+    // 带公钥
+    @Test
+    public void testSM3Hash() {
+        String publicKey = "0342000469DE3847DD6A66DA96DB8F2DCFA32E10E680FF2EF4A592079E7C3A44320BB15084E7CA9782A39B6E28F07C04FE00D68958A2605921E71712D56C1E4435A39FA5";
+        String orgData = "FFFFFFFFFFFFFFFF";
+
+        byte[] hash = api.SM3Hash(publicKey, orgData.getBytes());
+
+        System.out.println("hash:" + Util.bytes2HexString(hash));
+    }
+
+    // 测试通过
+    // 76
+    // 不带公钥
+    @Test
+    public void testSM3Hash2() {
+        String orgData = "FFFFFFFFFFFFFFFF";
+
+        byte[] hash = api.SM3Hash(orgData.getBytes());
+
+        System.out.println("hash:" + Util.bytes2HexString(hash));
+    }
+
+    // 工具方法
+    // ==========================================
+
+    public static void printRetWrap(RetWrap rw) {
+        printRetWrap(rw, false);
+    }
+
+    /**
+     * 输出
+     * @param rw
+     */
+    public static void printRetWrap(RetWrap rw, boolean flag) {
+        for (String s : rw.keySet()) {
+
+            Object o = rw.get(s);
+            if (o instanceof String) {
+                System.out.println(s + ":" + o);
+            } else if (o instanceof byte[]) {
+                if (flag) {
+                    System.out.println(s + ": " + Util.bytes2HexString((byte[]) o));
+                } else {
+                    System.out.println(s + ": " + new String(Util.hexString2Bytes(Util.bytes2HexString((byte[]) o))));
+                }
+            } else {
+                System.out.println(s + ":" + o);
+            }
+        }
+    }
+
+    // 获取证书
+    public String getCertStr(String path) {
+
+        BufferedInputStream bis = null;
+        try {
+            bis = new BufferedInputStream(new FileInputStream(path));
+
+            StringBuilder str = new StringBuilder();
+
+            int len = 0;
+
+            while ((len = bis.read()) != -1) {
+                str.append((char) len);
+            }
+
+            return str.toString();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (bis != null) {
+                try {
+                    bis.close();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+
+        return null;
+    }
+}