问请教下 java Sm2签名结果 与 net Sm2签名结果生成不同是哪里有问题？

 //私钥
        String prvKey = "6911118b65d61f96ec2f2d19d5dd5d7bcda97e21daff622146098bbd5ee4383";
    

  Java 签名
      public String GetSign(String plainText, String priKey) throws Exception 
      {      
        BigInteger bigInteger = new BigInteger(priKey, 16);        
        X9ECParameters  parameters = GMNamedCurves.getByName("sm2p256v1");
        ECParameterSpec ecParameterSpec= new ECParameterSpec(parameters.getCurve(),
                 parameters.getG(), parameters.getN(), parameters.getH());
        
        KeyFactory keyFactory = KeyFactory.getInstance("EC", new BouncyCastleProvider());
        BCECPrivateKey privateKey = (BCECPrivateKey) keyFactory.generatePrivate(
                new ECPrivateKeySpec(bigInteger, ecParameterSpec));

        // 创建签名对象
        Signature signature = Signature.getInstance(GMObjectIdentifiers.sm2sign_with_sm3.toString(), provider);

        // 初始化为签名状态
        signature.initSign(privateKey);

        // 传入签名字节
        signature.update(plainText.getBytes());

        // 签名
        return Base64.getEncoder().encodeToString(signature.sign());
    }
    
    
   net 签名
    public string Encrypt(string privateKey, string sourceData)
    {
           byte[] byteSoureData = Encoding.UTF8.GetBytes(sourceData);
           SM2 sM2 = new SM2(privateKey, SM2.Mode.C1C3C2);
           string rvString2 = Convert.ToBase64String(Sign(byteSoureData));
    }    
     
    public byte[] Sign(byte[] msg, byte[] id = null)
      {
        Org.BouncyCastle.Asn1.X9.X9ECParameters sm2Ecparameters = GMNamedCurves.GetByName("SM2P256V1");
        ECDomainParameters domainParameters = 
            new ECDomainParameters(sm2Ecparameters.Curve, sm2Ecparameters.G, sm2Ecparameters.N);
        
        ICipherParameters PrivateKeyParameters = 
         new ECPrivateKeyParameters(new BigInteger(privkeyStr, 16),domainParameters );
         
            var sm2 = new SM2Signer(new SM3Digest());
            ICipherParameters cp;
            if (id != null) 
            {
              cp = new ParametersWithID(new ParametersWithRandom(PrivateKeyParameters), id);
            }
            else 
            {
              cp = new ParametersWithRandom(PrivateKeyParameters);
            }
            sm2.Init(true, cp);
            sm2.BlockUpdate(msg, 0, msg.Length);
            return sm2.GenerateSignature();
        }