diff --git a/hutool-core/src/test/java/cn/hutool/core/exceptions/ExceptionUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/exceptions/ExceptionUtilTest.java
index 9bcbba672..25aef0111 100644
--- a/hutool-core/src/test/java/cn/hutool/core/exceptions/ExceptionUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/exceptions/ExceptionUtilTest.java
@@ -1,5 +1,6 @@
 package cn.hutool.core.exceptions;
 
+import cn.hutool.core.convert.Convert;
 import cn.hutool.core.io.IORuntimeException;
 import org.junit.Assert;
 import org.junit.Test;
@@ -34,4 +35,15 @@ public class ExceptionUtilTest {
 		IOException ioException1 = ExceptionUtil.convertFromOrSuppressedThrowable(argumentException, IOException.class, true);
 		Assert.assertNotNull(ioException1);
 	}
+
+	@Test
+	public void bytesIntConvertTest(){
+		final String s = Convert.toStr(12);
+		final int integer = Convert.toInt(s);
+		Assert.assertEquals(12, integer);
+
+		final byte[] bytes = Convert.intToBytes(12);
+		final int i = Convert.bytesToInt(bytes);
+		Assert.assertEquals(12, i);
+	}
 }
diff --git a/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ChaCha20Test.java b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ChaCha20Test.java
index 027cc241f..4db1b6a95 100644
--- a/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ChaCha20Test.java
+++ b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ChaCha20Test.java
@@ -24,7 +24,7 @@ public class ChaCha20Test {
 		byte[] iv = RandomUtil.randomBytes(12);
 
 		final SymmetricCrypto chacha = new SymmetricCrypto("ChaCha20",
-				KeyUtil.generateKey("ChaCha", key),
+				KeyUtil.generateKey("ChaCha20", key),
 				new IvParameterSpec(iv)
 		);
 
diff --git a/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ZucTest.java b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ZucTest.java
new file mode 100644
index 000000000..1f81f7f7f
--- /dev/null
+++ b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/ZucTest.java
@@ -0,0 +1,38 @@
+package cn.hutool.crypto.test.symmetric;
+
+import cn.hutool.core.util.CharsetUtil;
+import cn.hutool.core.util.RandomUtil;
+import cn.hutool.crypto.KeyUtil;
+import cn.hutool.crypto.symmetric.SymmetricCrypto;
+import org.junit.Assert;
+import org.junit.Test;
+
+import javax.crypto.SecretKey;
+import javax.crypto.spec.IvParameterSpec;
+
+public class ZucTest {
+
+	@Test
+	public void zuc128Test(){
+		final SecretKey secretKey = KeyUtil.generateKey("zuc-128");
+		byte[] iv = RandomUtil.randomBytes(16);
+		final SymmetricCrypto zuc = new SymmetricCrypto("zuc-128", secretKey, new IvParameterSpec(iv));
+
+		String msg = RandomUtil.randomString(500);
+		byte[] crypt2 = zuc.encrypt(msg);
+		String msg2 = zuc.decryptStr(crypt2, CharsetUtil.CHARSET_UTF_8);
+		Assert.assertEquals(msg, msg2);
+	}
+
+	@Test
+	public void zuc256Test(){
+		final SecretKey secretKey = KeyUtil.generateKey("zuc-256");
+		byte[] iv = RandomUtil.randomBytes(25);
+		final SymmetricCrypto zuc = new SymmetricCrypto("zuc-256", secretKey, new IvParameterSpec(iv));
+
+		String msg = RandomUtil.randomString(500);
+		byte[] crypt2 = zuc.encrypt(msg);
+		String msg2 = zuc.decryptStr(crypt2, CharsetUtil.CHARSET_UTF_8);
+		Assert.assertEquals(msg, msg2);
+	}
+}
diff --git a/hutool-jwt/src/test/java/cn/hutool/jwt/JWTTest.java b/hutool-jwt/src/test/java/cn/hutool/jwt/JWTTest.java
index 91afe2f70..70204f20b 100644
--- a/hutool-jwt/src/test/java/cn/hutool/jwt/JWTTest.java
+++ b/hutool-jwt/src/test/java/cn/hutool/jwt/JWTTest.java
@@ -15,7 +15,7 @@ public class JWTTest {
 				.setPayload("sub", "1234567890")
 				.setPayload("name", "looly")
 				.setPayload("admin", true)
-				.setPayload(RegisteredPayload.EXPIRES_AT, DateUtil.parse("2022-01-01"))
+				.setExpiresAt(DateUtil.parse("2022-01-01"))
 				.setKey(key);
 
 		String rightToken = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9." +