diff --git a/.gitignore b/.gitignore
index e240a93..f1869e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ src/test/java/com/sunyard/sydapi/sample/*.*
 ~$*
 /pack/
 /.logs/
+/bin/
diff --git a/src/test/java/cmbpoc/JmeterTest.java b/src/test/java/cmbpoc/JmeterTest.java
index 224e19e..8a677c8 100644
--- a/src/test/java/cmbpoc/JmeterTest.java
+++ b/src/test/java/cmbpoc/JmeterTest.java
@@ -13,6 +13,7 @@ public class JmeterTest extends AbstractJavaSamplerClient {
 
     private byte[] publicKey;
     private byte[] plainData;
+    private int sleep = 1;
 
     @Override
     public Arguments getDefaultParameters() {
@@ -29,6 +30,19 @@ public class JmeterTest extends AbstractJavaSamplerClient {
         String plainText = context.getParameter("plainText");
         publicKey = Base64.getDecoder().decode(pubBase64);
         plainData = plainText.getBytes(StandardCharsets.UTF_8);
+
+        // 校准测试
+        sleep = context.getIntParameter("sleep", 1);
+
+        // 线程开始时准备解密、验签数据
+        String function = context.getParameter("function");
+        switch (function) {
+            case "SYD_SM2_Sign":
+                break;
+            default:
+                break;
+        }
+
     }
 
     @Override
@@ -42,6 +56,9 @@ public class JmeterTest extends AbstractJavaSamplerClient {
             switch (function) {
                 case "SYD_SM2_Sign":
                     break;
+                case "sleep":
+                    Thread.sleep(1);
+                    break;
                 default:
                     break;
             }
diff --git a/src/test/java/cmbpoc/SignatureVerifyTest.java b/src/test/java/cmbpoc/SignatureVerifyTest.java
new file mode 100644
index 0000000..8bf43cd
--- /dev/null
+++ b/src/test/java/cmbpoc/SignatureVerifyTest.java
@@ -0,0 +1,84 @@
+package cmbpoc;
+
+import com.sunyard.RetWrap;
+import com.sunyard.SydApi;
+import com.sunyard.proto.Util;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import racal.sunyard.main.SydApi4j;
+
+public class SignatureVerifyTest {
+
+    private SydApi4j api;
+    private byte[] orgData;
+    private String SM2dn;
+
+    @Before
+    public void setUp() {
+        System.setProperty("com.sunyard.sydapi4j.debug", "true");
+        this.api = (SydApi4j) new SydApi4j().connect("192.168.0.100", 8889, null, 1000);
+        this.orgData = "Hello, World! 测试数据".getBytes();
+        this.SM2dn = "C=CN,ST=北京,L=北京,O=信雅达,CN=172.1.40.188";
+    }
+
+    @After
+    public void tearDown() {
+        if (api != null) {
+            this.api.disconnect();
+            this.api = null;
+        }
+    }
+
+    @Test
+    public void testP1SignAndVerify() {
+        byte[] sign = this.api.SYD_NakedSign(orgData, SM2dn);
+        Assert.assertNotNull("P1签名结果不应为空", sign);
+        System.out.println("P1签名结果: " + Util.bytes2HexString(sign));
+
+        boolean verifyResult = this.api.SYD_NakedVerify(orgData, sign, SM2dn);
+        Assert.assertTrue("P1验签应通过", verifyResult);
+        System.out.println("P1验签结果: " + verifyResult);
+    }
+
+    @Test
+    public void testP7DetachSignAndVerify() {
+        String sign = this.api.detachedSign(1, orgData, SM2dn);
+        Assert.assertNotNull("P7 Detach签名结果不应为空", sign);
+        System.out.println("P7 Detach签名结果: " + sign);
+
+        boolean verifyResult = this.api.detachedVerify(1, orgData, sign);
+        Assert.assertTrue("P7 Detach验签应通过", verifyResult);
+        System.out.println("P7 Detach验签结果: " + verifyResult);
+    }
+
+    @Test
+    public void testP7AttachSignAndVerify() throws Exception {
+        String sign = this.api.attachedSign(orgData, SM2dn);
+        Assert.assertNotNull("P7 Attach签名结果不应为空", sign);
+        System.out.println("P7 Attach签名结果: " + sign);
+
+        boolean verifyResult = this.api.attachedVerify(sign);
+        Assert.assertTrue("P7 Attach验签应通过", verifyResult);
+        System.out.println("P7 Attach验签结果: " + verifyResult);
+    }
+
+    @Test
+    public void testDigitalEnvelopeEncryptAndDecrypt() {
+        RetWrap genResult = this.api.generateDEByDn(SM2dn, orgData);
+        Assert.assertNotNull("数字信封生成结果不应为空", genResult);
+        
+        byte[] cipherKey = (byte[]) genResult.get(SydApi.RET_CIPHER_KEY);
+        Assert.assertNotNull("数字信封密文密钥不应为空", cipherKey);
+        System.out.println("数字信封密文密钥: " + new String(cipherKey));
+
+        RetWrap decryptResult = this.api.decryptDEByDN(SM2dn, cipherKey);
+        Assert.assertNotNull("数字信封解密结果不应为空", decryptResult);
+        
+        byte[] decryptedData = (byte[]) decryptResult.get("oData");
+        Assert.assertNotNull("解密数据不应为空", decryptedData);
+        Assert.assertArrayEquals("解密数据应与原始数据一致", orgData, decryptedData);
+        System.out.println("数字信封解密结果: " + new String(decryptedData));
+    }
+}
\ No newline at end of file