diff --git a/modules/core/src/test/java/com/jeesite/test/codec/SM2UtilsTest.java b/modules/core/src/test/java/com/jeesite/test/codec/SM2UtilsTest.java
new file mode 100644
index 00000000..af8a8110
--- /dev/null
+++ b/modules/core/src/test/java/com/jeesite/test/codec/SM2UtilsTest.java
@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2013-Now http://jeesite.com All rights reserved.
+ * No deletion without permission, or be held responsible to law.
+ */
+package com.jeesite.test.codec;
+
+import com.jeesite.common.codec.EncodeUtils;
+import com.jeesite.common.codec.SM2Utils;
+
+import java.nio.charset.StandardCharsets;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+
+/**
+ * 国密 SM2 加密解密工具类，非对称加密
+ * @author ThinkGem
+ * @version 2024-07-22
+ */
+public class SM2UtilsTest {
+
+	public static void main(String[] args) {
+
+		String s = "Hello word! 你好，中文！";
+		System.out.println(s);
+
+		String[] keys = SM2Utils.genKeys();
+		System.out.println("公钥：" + keys[0]);
+		PublicKey publicKey = SM2Utils.toPublicKey(keys[0]);
+		System.out.println("私钥：" + keys[1]);
+		PrivateKey privateKey = SM2Utils.toPrivateKey(keys[1]);
+
+		byte[] data = SM2Utils.encode(s.getBytes(), publicKey);
+		String dataString = EncodeUtils.encodeBase64(data);
+		System.out.println("加密数据：" + dataString);
+
+		byte[] data2 = SM2Utils.decode(data, privateKey);
+		String dataString2 = new String(data2, StandardCharsets.UTF_8);
+		System.out.println("解密数据：" + dataString2);
+
+		byte[] sign = SM2Utils.sign(s.getBytes(), privateKey);
+		System.out.println("数据签名：" + EncodeUtils.encodeBase64(sign));
+
+		boolean b = SM2Utils.verify(s.getBytes(), publicKey, sign);
+		System.out.println("数据验签：" + b);
+	}
+
+}
\ No newline at end of file
diff --git a/modules/core/src/test/java/com/jeesite/test/codec/SM3UtilsTest.java b/modules/core/src/test/java/com/jeesite/test/codec/SM3UtilsTest.java
new file mode 100644
index 00000000..dc426c65
--- /dev/null
+++ b/modules/core/src/test/java/com/jeesite/test/codec/SM3UtilsTest.java
@@ -0,0 +1,34 @@
+/**
+ * Copyright (c) 2013-Now http://jeesite.com All rights reserved.
+ * No deletion without permission, or be held responsible to law.
+ */
+package com.jeesite.test.codec;
+
+import com.jeesite.common.codec.SM3Utils;
+
+/**
+ * 国密 SM3 加密工具类，散列加密，不可逆加密
+ * @author ThinkGem
+ * @version 2024-07-22
+ */
+public class SM3UtilsTest {
+
+	public static void main(String[] args) {
+
+		String s = "Hello word! 你好，中文！";
+		System.out.println(s);
+
+		String s1 = SM3Utils.sm3(s);
+        System.out.println(s1);
+
+		String key = SM3Utils.genSaltString(8);
+        System.out.println(key);
+
+        String s3 = SM3Utils.sm3(s, key);
+        System.out.println(s3);
+
+        String s4 = SM3Utils.hmacSm3(s, key);
+        System.out.println(s4);
+	}
+
+}
\ No newline at end of file
diff --git a/modules/core/src/test/java/com/jeesite/test/codec/SM4UtilsTest.java b/modules/core/src/test/java/com/jeesite/test/codec/SM4UtilsTest.java
new file mode 100644
index 00000000..44dfb9d3
--- /dev/null
+++ b/modules/core/src/test/java/com/jeesite/test/codec/SM4UtilsTest.java
@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2013-Now http://jeesite.com All rights reserved.
+ * No deletion without permission, or be held responsible to law.
+ */
+package com.jeesite.test.codec;
+
+import com.jeesite.common.codec.EncodeUtils;
+import com.jeesite.common.codec.SM4Utils;
+
+import java.nio.charset.StandardCharsets;
+
+/**
+ * 国密 SM4 加密解密工具类，对称加密
+ * @author ThinkGem
+ * @version 2024-07-22
+ */
+public class SM4UtilsTest {
+
+	public static void main(String[] args) {
+
+		String s = "Hello word! 你好，中文！";
+		System.out.println(s);
+
+		String k = SM4Utils.genKeyString();
+		System.out.println(k);
+		String s1 = SM4Utils.encode(s, k);
+		System.out.println(s1);
+		String s2 = SM4Utils.decode(s1, k);
+		System.out.println(s2);
+
+		byte[] key = SM4Utils.genKey();
+		byte[] iv = SM4Utils.genIV();
+		byte[] data = SM4Utils.encode(s.getBytes(StandardCharsets.UTF_8), key, iv);
+		System.out.println(EncodeUtils.encodeBase64(data));
+		byte[] data2 = SM4Utils.decode(data, key, iv);
+		System.out.println(new String(data2, StandardCharsets.UTF_8));
+	}
+
+}
\ No newline at end of file