diff --git a/doc/java接口说明文档.docx b/doc/java接口说明文档.docx
index 9dacad5..d247182 100644
Binary files a/doc/java接口说明文档.docx and b/doc/java接口说明文档.docx differ
diff --git a/src/main/java/com/sunyard/inf/SydCryptionApi.java b/src/main/java/com/sunyard/inf/SydCryptionApi.java
index 99faa58..821e34b 100644
--- a/src/main/java/com/sunyard/inf/SydCryptionApi.java
+++ b/src/main/java/com/sunyard/inf/SydCryptionApi.java
@@ -246,6 +246,16 @@ interface SydSYMApi {
      */
     byte[] SYMEncryptData(int nAlg, String seesionKey, byte[] pINdata);
 
+    /**
+     * 对指定报文数据进行SM4加密
+     * @param type 密钥类型。0: ZEK,1: TEK
+     * @param userId 生成密钥时的机构号。
+     * @param index 密钥索引
+     * @param data 待加密的数据
+     * @return
+     */
+    byte[] SYMSM4EncDataByIndex(int type, String userId, String index, byte[] data);
+
     /**
      * 用输入的会话密钥，对指定报文数据进行加密处理。
      *
diff --git a/src/main/java/racal/sunyard/main/SydApi4j.java b/src/main/java/racal/sunyard/main/SydApi4j.java
index 8883658..2fc4c3d 100644
--- a/src/main/java/racal/sunyard/main/SydApi4j.java
+++ b/src/main/java/racal/sunyard/main/SydApi4j.java
@@ -1911,6 +1911,25 @@ public class SydApi4j implements SydApi {
         return retWrap;
     }
 
+    /**
+     * 对指定报文数据进行SM4加密
+     * @param type 密钥类型。0: ZEK,1: TEK
+     * @param userId 生成密钥时的机构号。
+     * @param index 密钥索引
+     * @param data 待加密的数据
+     * @return
+     */
+    public byte[] SYMSM4EncDataByIndex(int type, String userId, String index, byte[] data) {
+
+        if (userId.length() > 16 || index.length() > 8) {
+            throw new SydApiException("机构号或索引长度不匹配", -27);
+        }
+
+        String indexN = "0000000000000000" + index;
+        indexN = indexN.substring(indexN.length() - 8);
+
+        return SYMEncryptData(SydApi.NALG_SM4, "XK" + SYMUtil.genPrivateKeyMark(userId, 0 == type ? "00A" : "00B", indexN), 1, data);
+    }
 
     @Override
     public byte[] SYMEncryptData(int nAlg, String seesionKey, int fullMode, byte[] pInData) {
@@ -2033,6 +2052,26 @@ public class SydApi4j implements SydApi {
         return SYMDecryptData(nAlg, seesionKey, 1, pInData);
     }
 
+    /**
+     * 对指定报文数据进行SM4解密
+     * @param type 密钥类型。0: ZEK,1: TEK
+     * @param userId 生成密钥时的机构号
+     * @param index 密钥索引
+     * @param pINdata 要解密的报文密文。长度必须是8 或16 的倍数
+     * @return
+     */
+    public byte[] SYMSM4DecDataByIndex (int type, String userId, String index, byte[] pINdata) {
+
+        if (userId.length() > 16 || index.length() > 8) {
+            throw new SydApiException("机构号或索引长度不匹配", -27);
+        }
+
+        String indexN = "00000000" + index;
+        indexN = indexN.substring(indexN.length() - 8);
+
+        return SYMDecryptData(SydApi4j.NALG_SM4, "XK" + SYMUtil.genPrivateKeyMark(userId, 0 == type ? "00A" : "00B", indexN), 1, pINdata);
+    }
+
     @Override
     public byte[] SYMDecryptData(int nAlg, String seesionKey, int fullmode, byte[] pInData) {
         if (2 == nAlg && 'L' != seesionKey.charAt(0)) {
diff --git a/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java b/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
index 8f4e22e..d0ae978 100644
--- a/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
+++ b/src/test/java/com/sunyard/sydapi/test/TestAllMethods.java
@@ -36,7 +36,8 @@ public class TestAllMethods {
     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("172.16.18.59", 8889, null, 1000);
+//        api = (SydApi4j) new SydApi4j().connect("172.16.18.59", 8889, null, 1000);
+        api = (SydApi4j) new SydApi4j().connect("192.168.0.119", 8889, null, 1000);
 //        api = (SydApi4j) new SydApi4j().connect("61.164.40.82", 8889, null, 1000);
 //        api = (SydApi4j) new SydApi4j().connect("192.168.0.66", 8889, null, 1000);
 //        api = (SydApi4j) new SydApi4j().connect("192.168.0.100", 8889, null, 1000);
@@ -710,6 +711,7 @@ public class TestAllMethods {
         String key = "X6CEE744329499B426CEE744329499B42";
         String msg = "11111111111";
         byte[] bytes = api.SM4EncryptDataCBC(0, key, 0, 0 , msg.getBytes());
+        System.out.println("输出为: " + Util.bytes2HexString(bytes));
 
         byte[] bytes1 = api.SM4DecryptDataCBC(0, key, 0, 0, bytes);
 
@@ -803,6 +805,42 @@ public class TestAllMethods {
         System.out.println("明文：" + new String(bytes1));
     }
 
+    // 测试通过
+    // E0
+    @Test
+    public void testEncDecData1() {
+
+        // 000000000000011100000000001
+        String key = "XK000000000000011100000000001";
+
+        String msg = "111111111111111111qewehtrhq1";
+
+        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
+    // E0
+    @Test
+    public void testEncDecData2() {
+
+        String userId = "0000000000000111";
+        String index = "00000001";
+
+        String msg = "1011111111111111101";
+
+        byte[] bytes = api.SYMSM4EncDataByIndex(0, userId, index, msg.getBytes());
+
+        System.out.println("输出为: " + Util.bytes2HexString(bytes));
+
+        byte[] bytes1 = api.SYMSM4DecDataByIndex(0, userId, index, bytes);
+        System.out.println("明文：" + new String(bytes1));
+    }
+
     @Test
     public void testaaa() throws UnsupportedEncodingException {
         String key = "X6CEE744329499B426CEE744329499B42";