diff --git a/src/test/java/test/LengthTest.java b/src/test/java/test/LengthTest.java
new file mode 100644
index 0000000..394bcba
--- /dev/null
+++ b/src/test/java/test/LengthTest.java
@@ -0,0 +1,116 @@
+package test;
+
+import com.sunyard.proto.Util;
+import com.sunyard.sge.database.*;
+import com.sunyard.sge.database.Consts;
+import com.sunyard.sge.log.LogFactory;
+import org.apache.logging.log4j.Logger;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class LengthTest
+{
+    private SydApi api;
+    @Before
+    public void init(){
+        SydApiBuilder builder = new SydApiBuilder(
+                new String[]{ "192.168.0.200" },
+                new int[]{ 8889 },
+                10,
+                15
+
+        );
+        api = builder.build();
+    }
+    //
+    @Test
+    public void syd_SM4_ShortDataTest(){
+        //解密 pcData长度为0
+        byte[] bytes = api.SYD_SM4_ShortData(0, new byte[0], Consts.ECB_DEC);
+        Arrays.toString(bytes);
+        //解密 pcData长度不为0
+        byte[] bytes2 = api.SYD_SM4_ShortData(0, new byte[0], Consts.ECB_DEC);
+        Arrays.toString(bytes2);
+
+    }
+    @Test
+    public void syd_SM4_BatchDataTest(){
+        // 密钥索引
+        int[] keyIdx = new int[]{ 0, 1, 2 };
+        // 测试数据
+        List<byte[]> data = new ArrayList<>();
+        data.add( new byte[0] );
+        data.add( new byte[0] );
+        data.add( new byte[0] );
+        List<byte[]> data2 = new ArrayList<>();
+        data.add( new byte[0] );
+        data.add( new byte[0] );
+        data.add( new byte[0] );
+        //解密 pcData长度为0
+        List<byte[]> orgDatas = api.SYD_SM4_BatchData( keyIdx , data, Consts.ECB_DEC );
+        for (byte[] byte_1 :orgDatas) {
+            System.out.printf("解密后数据", Arrays.toString(byte_1));
+        }
+        //解密 pcData长度不为0
+        List<byte[]> orgDatas2 = api.SYD_SM4_BatchData( keyIdx , data2, Consts.ECB_DEC );
+        for (byte[] byte_2 :orgDatas2) {
+            System.out.printf("解密后数据", Arrays.toString(byte_2));
+        }
+    }
+    @Test
+    public void syd_SM4_LongDataTest(){
+        // 密钥索引
+        int keyIdx = 0;
+        // 测试数据
+        byte[] data = new byte[16 * 3 + 8];
+        // 每包大小
+        int pack = 16;
+        //解密 pcData长度为0
+        byte[] recv = api.SYD_SM4_LongData( keyIdx , new byte[0], Consts.PkgNumHead, Consts.ECB_DEC);
+        System.out.println(Arrays.toString(recv));
+        //解密 pcData长度不为0
+        // 密文数据
+        ByteBuffer enDataBuff = ByteBuffer.allocate( data.length + 16 );
+        // 分包加密
+        {
+            int n = data.length / pack;
+            int remainder = data.length % pack;
+            if ( remainder > 0 ) {
+                n += 1;
+            } else {
+                remainder = pack;
+            }
+
+            for ( int i = 0 ; i < n ; i ++ ) {
+                byte[] buff = new byte[ pack ];
+
+                // 首包
+                if ( 0 == i ) {
+                    System.arraycopy( data, i * pack, buff, 0, pack );
+                    byte[] recv3 = api.SYD_SM4_LongData( keyIdx , buff, Consts.PkgNumHead, Consts.ECB_ENC);
+                    enDataBuff.put( recv3 );
+                    continue;
+                }
+                // 尾包
+                if ( i == (n-1) ){
+                    buff = new byte[ remainder ];
+                    System.arraycopy( data, i * pack, buff, 0, remainder );
+                    byte[] recv3 = api.SYD_SM4_LongData( keyIdx , buff, Consts.PkgNumTail, Consts.ECB_ENC);
+                    enDataBuff.put( recv3);
+                    continue;
+                }
+                // 中间包
+                System.arraycopy( data, i * pack, buff, 0, pack );
+                byte[] recv3 = api.SYD_SM4_LongData( keyIdx , buff, Consts.PkgNumMiddle, Consts.ECB_ENC);
+                enDataBuff.put( recv3 );
+            }
+    }
+}
+}
diff --git a/src/test/java/test/LogTest.java b/src/test/java/test/LogTest.java
index 795f41c..abf54e4 100644
--- a/src/test/java/test/LogTest.java
+++ b/src/test/java/test/LogTest.java
@@ -10,13 +10,9 @@ import java.util.Arrays;
 
 public class LogTest {
     public static void main(String[] args) {
-        SydApi.SYD_SetLogConfig("./test-log/",11);
-//        int[] a1 = {1,2,3};
-//        Logger log = LogFactory.createLogger("./test-log/", 9);
-//        log.error("error");
-//        log.info(Arrays.toString(a1));
-//        log.debug("debug");
-//        System.out.println("发送数据");
-
+        Logger log = LogFactory.createLogger("./test-log/", 3);
+        log.error("error");
+        log.info("info");
+        log.debug("debug");
     }
 }