diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/DynaBean.java b/hutool-core/src/main/java/cn/hutool/core/bean/DynaBean.java
index 2c755e532..e5ef5e2cf 100644
--- a/hutool-core/src/main/java/cn/hutool/core/bean/DynaBean.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/DynaBean.java
@@ -1,6 +1,6 @@
 package cn.hutool.core.bean;
 
-import cn.hutool.core.clone.CloneSupport;
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.reflect.ClassUtil;
 import cn.hutool.core.reflect.ConstructorUtil;
@@ -16,7 +16,7 @@ import java.util.Map;
  * @author Looly
  * @since 3.0.7
  */
-public class DynaBean extends CloneSupport<DynaBean> implements Serializable {
+public class DynaBean implements Cloneable, Serializable {
 	private static final long serialVersionUID = 1L;
 
 	private final Class<?> beanClass;
@@ -224,4 +224,13 @@ public class DynaBean extends CloneSupport<DynaBean> implements Serializable {
 	public String toString() {
 		return this.bean.toString();
 	}
+
+	@Override
+	public DynaBean clone() {
+		try {
+			return (DynaBean) super.clone();
+		} catch (final CloneNotSupportedException e) {
+			throw new CloneRuntimeException(e);
+		}
+	}
 }
diff --git a/hutool-core/src/main/java/cn/hutool/core/clone/CloneSupport.java b/hutool-core/src/main/java/cn/hutool/core/clone/CloneSupport.java
deleted file mode 100644
index 777cd6ea0..000000000
--- a/hutool-core/src/main/java/cn/hutool/core/clone/CloneSupport.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package cn.hutool.core.clone;
-
-/**
- * 克隆支持类，提供默认的克隆方法
- * @author Looly
- *
- * @param <T> 继承类的类型
- */
-public class CloneSupport<T> implements Cloneable<T>{
-
-	@SuppressWarnings("unchecked")
-	@Override
-	public T clone() {
-		try {
-			return (T) super.clone();
-		} catch (final CloneNotSupportedException e) {
-			throw new CloneRuntimeException(e);
-		}
-	}
-
-}
diff --git a/hutool-core/src/main/java/cn/hutool/core/clone/Cloneable.java b/hutool-core/src/main/java/cn/hutool/core/clone/Cloneable.java
deleted file mode 100644
index 5fdbb1b37..000000000
--- a/hutool-core/src/main/java/cn/hutool/core/clone/Cloneable.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package cn.hutool.core.clone;
-
-/**
- * 克隆支持接口
- * @author Looly
- *
- * @param <T> 实现克隆接口的类型
- */
-public interface Cloneable<T> extends java.lang.Cloneable{
-
-	/**
-	 * 克隆当前对象，浅复制
-	 * @return 克隆后的对象
-	 */
-	T clone();
-}
diff --git a/hutool-core/src/main/java/cn/hutool/core/clone/DefaultCloneable.java b/hutool-core/src/main/java/cn/hutool/core/clone/DefaultCloneable.java
deleted file mode 100644
index f58632711..000000000
--- a/hutool-core/src/main/java/cn/hutool/core/clone/DefaultCloneable.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package cn.hutool.core.clone;
-
-
-import cn.hutool.core.reflect.MethodUtil;
-
-/**
- * 克隆默认实现接口，用于实现返回指定泛型类型的克隆方法
- *
- * @param <T> 泛型类型
- * @since 5.7.17
- */
-public interface DefaultCloneable<T> extends java.lang.Cloneable {
-
-	/**
-	 * 浅拷贝，提供默认的泛型返回值的clone方法。
-	 *
-	 * @return obj
-	 */
-	default T clone0() {
-		try {
-			return MethodUtil.invoke(this, "clone");
-		} catch (final Exception e) {
-			throw new CloneRuntimeException(e);
-		}
-	}
-}
-
-
diff --git a/hutool-core/src/main/java/cn/hutool/core/clone/package-info.java b/hutool-core/src/main/java/cn/hutool/core/clone/package-info.java
deleted file mode 100644
index a4530d996..000000000
--- a/hutool-core/src/main/java/cn/hutool/core/clone/package-info.java
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * 克隆封装
- *
- * @author looly
- *
- */
-package cn.hutool.core.clone;
\ No newline at end of file
diff --git a/hutool-core/src/main/java/cn/hutool/core/clone/CloneRuntimeException.java b/hutool-core/src/main/java/cn/hutool/core/exceptions/CloneRuntimeException.java
similarity index 96%
rename from hutool-core/src/main/java/cn/hutool/core/clone/CloneRuntimeException.java
rename to hutool-core/src/main/java/cn/hutool/core/exceptions/CloneRuntimeException.java
index acd5bb42b..1c8b5a769 100644
--- a/hutool-core/src/main/java/cn/hutool/core/clone/CloneRuntimeException.java
+++ b/hutool-core/src/main/java/cn/hutool/core/exceptions/CloneRuntimeException.java
@@ -1,4 +1,4 @@
-package cn.hutool.core.clone;
+package cn.hutool.core.exceptions;
 
 import cn.hutool.core.exceptions.ExceptionUtil;
 import cn.hutool.core.text.StrUtil;
diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/Tuple.java b/hutool-core/src/main/java/cn/hutool/core/lang/Tuple.java
index 354c93188..0ccfb7b8b 100644
--- a/hutool-core/src/main/java/cn/hutool/core/lang/Tuple.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/Tuple.java
@@ -1,8 +1,8 @@
 package cn.hutool.core.lang;
 
-import cn.hutool.core.clone.CloneSupport;
-import cn.hutool.core.collection.iter.ArrayIter;
 import cn.hutool.core.collection.ListUtil;
+import cn.hutool.core.collection.iter.ArrayIter;
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import cn.hutool.core.util.ArrayUtil;
 
 import java.io.Serializable;
@@ -20,7 +20,7 @@ import java.util.stream.StreamSupport;
  *
  * @author Looly
  */
-public class Tuple extends CloneSupport<Tuple> implements Iterable<Object>, Serializable {
+public class Tuple implements Iterable<Object>, Serializable, Cloneable {
 	private static final long serialVersionUID = -7689304393482182157L;
 
 	private final Object[] members;
@@ -176,4 +176,13 @@ public class Tuple extends CloneSupport<Tuple> implements Iterable<Object>, Seri
 	public final Spliterator<Object> spliterator() {
 		return Spliterators.spliterator(this.members, Spliterator.ORDERED);
 	}
+
+	@Override
+	public Tuple clone() {
+		try {
+			return (Tuple) super.clone();
+		} catch (CloneNotSupportedException e) {
+			throw new CloneRuntimeException(e);
+		}
+	}
 }
diff --git a/hutool-core/src/main/java/cn/hutool/core/lang/func/LambdaUtil.java b/hutool-core/src/main/java/cn/hutool/core/lang/func/LambdaUtil.java
index fc28793f7..7c7c5f062 100755
--- a/hutool-core/src/main/java/cn/hutool/core/lang/func/LambdaUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/lang/func/LambdaUtil.java
@@ -59,7 +59,7 @@ public class LambdaUtil {
 	 */
 	@SuppressWarnings("unchecked")
 	public static <R> Class<R> getRealClass(final Serializable func) {
-		LambdaInfo lambdaInfo = resolve(func);
+		final LambdaInfo lambdaInfo = resolve(func);
 		return (Class<R>) Opt.of(lambdaInfo).map(LambdaInfo::getInstantiatedTypes).filter(types -> types.length != 0).map(types -> types[types.length - 1]).orElseGet(lambdaInfo::getClazz);
 	}
 
@@ -78,18 +78,18 @@ public class LambdaUtil {
 			ClassLoaderUtil.loadClass(serializedLambda.getImplClass().replace("/", "."), true);
 			try {
 				implClass = Class.forName(serializedLambda.getImplClass().replace("/", "."), true, Thread.currentThread().getContextClassLoader());
-			} catch (ClassNotFoundException e) {
+			} catch (final ClassNotFoundException e) {
 				throw new UtilException(e);
 			}
 			if ("<init>".equals(methodName)) {
-				for (Constructor<?> constructor : implClass.getDeclaredConstructors()) {
+				for (final Constructor<?> constructor : implClass.getDeclaredConstructors()) {
 					if (ReflectUtil.getDescriptor(constructor).equals(serializedLambda.getImplMethodSignature())) {
 						return new LambdaInfo(constructor, serializedLambda);
 					}
 				}
 			} else {
-				Method[] methods = MethodUtil.getMethods(implClass);
-				for (Method method : methods) {
+				final Method[] methods = MethodUtil.getMethods(implClass);
+				for (final Method method : methods) {
 					if (method.getName().equals(methodName)
 							&& ReflectUtil.getDescriptor(method).equals(serializedLambda.getImplMethodSignature())) {
 						return new LambdaInfo(method, serializedLambda);
diff --git a/hutool-core/src/test/java/cn/hutool/core/reflect/MethodUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/reflect/MethodUtilTest.java
index ad3ab7c7a..370e631dc 100644
--- a/hutool-core/src/test/java/cn/hutool/core/reflect/MethodUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/reflect/MethodUtilTest.java
@@ -6,6 +6,7 @@ import cn.hutool.core.lang.Console;
 import cn.hutool.core.lang.test.bean.ExamInfoDict;
 import cn.hutool.core.text.StrUtil;
 import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.SystemUtil;
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -13,10 +14,25 @@ import org.junit.Test;
 import java.lang.reflect.Method;
 
 public class MethodUtilTest {
+	private static final String JAVA_VERSION = SystemUtil.get("java.version", false);
+	private static final boolean isGteJdk15 = getJavaVersion() >= 15;
+	/**
+	 * jdk版本：是否>= jdk15
+	 * jdk15: 删除了 object registerNatives
+	 * @return 反馈jdk版本，如：7、8、11、15、17
+	 * @author dazer
+	 */
+	private static int getJavaVersion() {
+		if (JAVA_VERSION.startsWith("1.")) {
+			return Integer.parseInt(JAVA_VERSION.split("\\.")[1]);
+		}
+		return Integer.parseInt(JAVA_VERSION.split("\\.")[0]);
+	}
+
 	@Test
 	public void getMethodsTest() {
 		Method[] methods = MethodUtil.getMethods(ExamInfoDict.class);
-		Assert.assertEquals(20, methods.length);
+		Assert.assertEquals(isGteJdk15 ? 19 : 20, methods.length);
 
 		//过滤器测试
 		methods = MethodUtil.getMethods(ExamInfoDict.class, t -> Integer.class.equals(t.getReturnType()));
@@ -28,7 +44,7 @@ public class MethodUtilTest {
 		//null过滤器测试
 		methods = MethodUtil.getMethods(ExamInfoDict.class, null);
 
-		Assert.assertEquals(20, methods.length);
+		Assert.assertEquals(isGteJdk15 ? 19 : 20, methods.length);
 		final Method method2 = methods[0];
 		Assert.assertNotNull(method2);
 	}
@@ -110,7 +126,7 @@ public class MethodUtilTest {
 	public void getMethodsFromClassExtends() {
 		// 继承情况下，需解决方法去重问题
 		Method[] methods = MethodUtil.getMethods(ReflectUtilTest.C2.class);
-		Assert.assertEquals(15, methods.length);
+		Assert.assertEquals(isGteJdk15 ? 14 : 15, methods.length);
 
 		// 排除Object中的方法
 		// 3个方法包括类
diff --git a/hutool-core/src/test/java/cn/hutool/core/clone/CloneTest.java b/hutool-core/src/test/java/cn/hutool/core/util/CloneTest.java
similarity index 76%
rename from hutool-core/src/test/java/cn/hutool/core/clone/CloneTest.java
rename to hutool-core/src/test/java/cn/hutool/core/util/CloneTest.java
index 2e68ca023..f7e9b575f 100644
--- a/hutool-core/src/test/java/cn/hutool/core/clone/CloneTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/CloneTest.java
@@ -1,5 +1,6 @@
-package cn.hutool.core.clone;
+package cn.hutool.core.util;
 
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.junit.Assert;
@@ -36,7 +37,7 @@ public class CloneTest {
 	 *
 	 */
 	@Data
-	static class Cat implements Cloneable<Cat>{
+	static class Cat implements Cloneable{
 		private String name = "miaomiao";
 		private int age = 2;
 
@@ -57,8 +58,17 @@ public class CloneTest {
 	 */
 	@EqualsAndHashCode(callSuper = false)
 	@Data
-	static class Dog extends CloneSupport<Dog>{
+	static class Dog implements Cloneable{
 		private String name = "wangwang";
 		private int age = 3;
+
+		@Override
+		public Dog clone() {
+			try {
+				return (Dog) super.clone();
+			} catch (final CloneNotSupportedException e) {
+				throw new CloneRuntimeException(e);
+			}
+		}
 	}
 }
diff --git a/hutool-core/src/test/java/cn/hutool/core/clone/DefaultCloneTest.java b/hutool-core/src/test/java/cn/hutool/core/util/DefaultCloneTest.java
similarity index 71%
rename from hutool-core/src/test/java/cn/hutool/core/clone/DefaultCloneTest.java
rename to hutool-core/src/test/java/cn/hutool/core/util/DefaultCloneTest.java
index e82bbae51..822389b5c 100644
--- a/hutool-core/src/test/java/cn/hutool/core/clone/DefaultCloneTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/DefaultCloneTest.java
@@ -1,6 +1,7 @@
-package cn.hutool.core.clone;
+package cn.hutool.core.util;
 
 
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import lombok.AllArgsConstructor;
 import lombok.Data;
 import org.junit.Assert;
@@ -18,7 +19,7 @@ public class DefaultCloneTest {
 		oldCar.setId(1);
 		oldCar.setWheelList(Stream.of(new Wheel("h")).collect(Collectors.toList()));
 
-		final Car newCar = oldCar.clone0();
+		final Car newCar = oldCar.clone();
 		Assert.assertEquals(oldCar.getId(), newCar.getId());
 		Assert.assertEquals(oldCar.getWheelList(), newCar.getWheelList());
 
@@ -31,9 +32,18 @@ public class DefaultCloneTest {
 	}
 
 	@Data
-	static class Car implements DefaultCloneable<Car> {
+	static class Car implements Cloneable {
 		private Integer id;
 		private List<Wheel> wheelList;
+
+		@Override
+		public Car clone() {
+			try {
+				return (Car) super.clone();
+			} catch (final CloneNotSupportedException e) {
+				throw new CloneRuntimeException(e);
+			}
+		}
 	}
 
 	@Data
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/ObjUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/util/ObjUtilTest.java
index ee8378516..bece315c2 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/ObjUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/util/ObjUtilTest.java
@@ -1,9 +1,9 @@
 package cn.hutool.core.util;
 
-import cn.hutool.core.clone.CloneSupport;
 import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.date.DatePattern;
 import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -75,10 +75,19 @@ public class ObjUtilTest {
 		Assert.assertEquals("OK", obj2.doSomeThing());
 	}
 
-	static class Obj extends CloneSupport<Obj> {
+	static class Obj implements Cloneable {
 		public String doSomeThing() {
 			return "OK";
 		}
+
+		@Override
+		public Obj clone() {
+			try {
+				return (Obj) super.clone();
+			} catch (CloneNotSupportedException e) {
+				throw new CloneRuntimeException(e);
+			}
+		}
 	}
 
 	@Test
diff --git a/hutool-db/src/main/java/cn/hutool/db/ds/DataSourceWrapper.java b/hutool-db/src/main/java/cn/hutool/db/ds/DataSourceWrapper.java
index 0c9734752..e1e10e129 100644
--- a/hutool-db/src/main/java/cn/hutool/db/ds/DataSourceWrapper.java
+++ b/hutool-db/src/main/java/cn/hutool/db/ds/DataSourceWrapper.java
@@ -1,6 +1,6 @@
 package cn.hutool.db.ds;
 
-import cn.hutool.core.clone.CloneRuntimeException;
+import cn.hutool.core.exceptions.CloneRuntimeException;
 import cn.hutool.core.io.IoUtil;
 
 import javax.sql.DataSource;
diff --git a/hutool-db/src/main/java/cn/hutool/db/ds/simple/AbstractDataSource.java b/hutool-db/src/main/java/cn/hutool/db/ds/simple/AbstractDataSource.java
index db595bc34..9eb5e580f 100644
--- a/hutool-db/src/main/java/cn/hutool/db/ds/simple/AbstractDataSource.java
+++ b/hutool-db/src/main/java/cn/hutool/db/ds/simple/AbstractDataSource.java
@@ -1,6 +1,6 @@
 package cn.hutool.db.ds.simple;
 
-import cn.hutool.core.clone.CloneRuntimeException;
+import cn.hutool.core.exceptions.CloneRuntimeException;
 
 import javax.sql.DataSource;
 import java.io.Closeable;
diff --git a/hutool-db/src/main/java/cn/hutool/db/sql/Condition.java b/hutool-db/src/main/java/cn/hutool/db/sql/Condition.java
index 75a76e94d..2243ee2bd 100644
--- a/hutool-db/src/main/java/cn/hutool/db/sql/Condition.java
+++ b/hutool-db/src/main/java/cn/hutool/db/sql/Condition.java
@@ -1,13 +1,14 @@
 package cn.hutool.db.sql;
 
-import cn.hutool.core.clone.CloneSupport;
 import cn.hutool.core.convert.Convert;
+import cn.hutool.core.exceptions.CloneRuntimeException;
+import cn.hutool.core.math.NumberUtil;
+import cn.hutool.core.text.StrUtil;
 import cn.hutool.core.text.split.SplitUtil;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.CharUtil;
-import cn.hutool.core.math.NumberUtil;
-import cn.hutool.core.text.StrUtil;
 
+import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
@@ -17,7 +18,8 @@ import java.util.List;
  *
  * @author Looly
  */
-public class Condition extends CloneSupport<Condition> {
+public class Condition implements Cloneable, Serializable {
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * SQL中 LIKE 语句查询方式<br>
@@ -362,6 +364,15 @@ public class Condition extends CloneSupport<Condition> {
 		return conditionStrBuilder.toString();
 	}
 
+	@Override
+	public Condition clone() {
+		try {
+			return (Condition) super.clone();
+		} catch (final CloneNotSupportedException e) {
+			throw new CloneRuntimeException(e);
+		}
+	}
+
 	// ----------------------------------------------------------------------------------------------- Private method start
 
 	/**
diff --git a/hutool-extra/pom.xml b/hutool-extra/pom.xml
index 58976323c..ccca6aa11 100755
--- a/hutool-extra/pom.xml
+++ b/hutool-extra/pom.xml
@@ -372,7 +372,7 @@
 		<dependency>
 			<groupId>jakarta.validation</groupId>
 			<artifactId>jakarta.validation-api</artifactId>
-			<version>3.0.1</version>
+			<version>3.0.2</version>
 			<scope>compile</scope>
 			<optional>true</optional>
 		</dependency>
@@ -464,7 +464,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-expression</artifactId>
-			<version>5.3.19</version>
+			<version>5.3.20</version>
 			<scope>compile</scope>
 			<optional>true</optional>
 		</dependency>
@@ -490,5 +490,23 @@
 			<version>6.1.6</version>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-impl</artifactId>
+			<version>2.3.6</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>javax.activation</groupId>
+			<artifactId>activation</artifactId>
+			<version>1.1.1</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.openjdk.nashorn</groupId>
+			<artifactId>nashorn-core</artifactId>
+			<version>15.4</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 </project>
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/ScriptUtil.java b/hutool-extra/src/main/java/cn/hutool/extra/script/ScriptUtil.java
old mode 100755
new mode 100644
similarity index 99%
rename from hutool-core/src/main/java/cn/hutool/core/util/ScriptUtil.java
rename to hutool-extra/src/main/java/cn/hutool/extra/script/ScriptUtil.java
index 3b567aa65..5d1000c7e
--- a/hutool-core/src/main/java/cn/hutool/core/util/ScriptUtil.java
+++ b/hutool-extra/src/main/java/cn/hutool/extra/script/ScriptUtil.java
@@ -1,4 +1,4 @@
-package cn.hutool.core.util;
+package cn.hutool.extra.script;
 
 import cn.hutool.core.exceptions.UtilException;
 import cn.hutool.core.map.WeakConcurrentMap;
diff --git a/hutool-extra/src/main/java/cn/hutool/extra/script/package-info.java b/hutool-extra/src/main/java/cn/hutool/extra/script/package-info.java
new file mode 100644
index 000000000..a80e9e9f5
--- /dev/null
+++ b/hutool-extra/src/main/java/cn/hutool/extra/script/package-info.java
@@ -0,0 +1,6 @@
+/**
+ * 使用Java对脚本引擎的工具封装
+ *
+ * @author looly
+ */
+package cn.hutool.extra.script;
diff --git a/hutool-core/src/main/java/cn/hutool/core/util/JAXBUtil.java b/hutool-extra/src/main/java/cn/hutool/extra/xml/JAXBUtil.java
similarity index 97%
rename from hutool-core/src/main/java/cn/hutool/core/util/JAXBUtil.java
rename to hutool-extra/src/main/java/cn/hutool/extra/xml/JAXBUtil.java
index db82afada..ec13c635c 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/JAXBUtil.java
+++ b/hutool-extra/src/main/java/cn/hutool/extra/xml/JAXBUtil.java
@@ -1,9 +1,11 @@
-package cn.hutool.core.util;
+package cn.hutool.extra.xml;
 
 import cn.hutool.core.exceptions.UtilException;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.text.StrUtil;
+import cn.hutool.core.util.CharsetUtil;
+import cn.hutool.core.util.XmlUtil;
 
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.Marshaller;
diff --git a/hutool-extra/src/main/java/cn/hutool/extra/xml/package-info.java b/hutool-extra/src/main/java/cn/hutool/extra/xml/package-info.java
new file mode 100644
index 000000000..be18488c9
--- /dev/null
+++ b/hutool-extra/src/main/java/cn/hutool/extra/xml/package-info.java
@@ -0,0 +1,8 @@
+/**
+ * XML和JAXB（Java Architecture for XML Binding）相关封装<br>
+ * 由于JDK11+移除了"javax.xml.bind"相关类型，因此封装于extra模块
+ *
+ * @author looly
+ *
+ */
+package cn.hutool.extra.xml;
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/ScriptUtilTest.java b/hutool-extra/src/test/java/cn/hutool/extra/script/ScriptUtilTest.java
old mode 100755
new mode 100644
similarity index 96%
rename from hutool-core/src/test/java/cn/hutool/core/util/ScriptUtilTest.java
rename to hutool-extra/src/test/java/cn/hutool/extra/script/ScriptUtilTest.java
index 34a57bf21..b5d37de20
--- a/hutool-core/src/test/java/cn/hutool/core/util/ScriptUtilTest.java
+++ b/hutool-extra/src/test/java/cn/hutool/extra/script/ScriptUtilTest.java
@@ -1,4 +1,4 @@
-package cn.hutool.core.util;
+package cn.hutool.extra.script;
 
 import cn.hutool.core.exceptions.UtilException;
 import cn.hutool.core.io.resource.ResourceUtil;
diff --git a/hutool-core/src/test/java/cn/hutool/core/util/JAXBUtilTest.java b/hutool-extra/src/test/java/cn/hutool/extra/xml/JAXBUtilTest.java
similarity index 99%
rename from hutool-core/src/test/java/cn/hutool/core/util/JAXBUtilTest.java
rename to hutool-extra/src/test/java/cn/hutool/extra/xml/JAXBUtilTest.java
index fb85d31c2..f53c93b7e 100644
--- a/hutool-core/src/test/java/cn/hutool/core/util/JAXBUtilTest.java
+++ b/hutool-extra/src/test/java/cn/hutool/extra/xml/JAXBUtilTest.java
@@ -1,4 +1,4 @@
-package cn.hutool.core.util;
+package cn.hutool.extra.xml;
 
 import org.junit.Assert;
 import org.junit.Test;
diff --git a/hutool-core/src/test/resources/filter1.js b/hutool-extra/src/test/resources/filter1.js
old mode 100755
new mode 100644
similarity index 100%
rename from hutool-core/src/test/resources/filter1.js
rename to hutool-extra/src/test/resources/filter1.js
diff --git a/hutool-json/src/main/java/cn/hutool/json/JSON.java b/hutool-json/src/main/java/cn/hutool/json/JSON.java
index 9a0345ede..ca28fb17c 100755
--- a/hutool-json/src/main/java/cn/hutool/json/JSON.java
+++ b/hutool-json/src/main/java/cn/hutool/json/JSON.java
@@ -1,7 +1,6 @@
 package cn.hutool.json;
 
 import cn.hutool.core.bean.BeanPath;
-import cn.hutool.core.reflect.TypeReference;
 
 import java.io.Serializable;
 import java.io.StringWriter;
@@ -171,16 +170,4 @@ public interface JSON extends Cloneable, Serializable {
 	default <T> T toBean(final Type type) {
 		return JSONConverter.jsonConvert(type, this, getConfig());
 	}
-
-	/**
-	 * 转为实体类对象，转换异常将被抛出
-	 *
-	 * @param <T>       Bean类型
-	 * @param reference {@link TypeReference}类型参考子类，可以获取其泛型参数中的Type类型
-	 * @return 实体类对象
-	 * @since 4.2.2
-	 */
-	default <T> T toBean(final TypeReference<T> reference) {
-		return toBean(reference.getType());
-	}
 }
diff --git a/hutool-json/src/main/java/cn/hutool/json/JSONUtil.java b/hutool-json/src/main/java/cn/hutool/json/JSONUtil.java
index 06fb24fcf..7b43ff6d2 100755
--- a/hutool-json/src/main/java/cn/hutool/json/JSONUtil.java
+++ b/hutool-json/src/main/java/cn/hutool/json/JSONUtil.java
@@ -333,6 +333,10 @@ public class JSONUtil {
 		if (obj instanceof CharSequence) {
 			return StrUtil.str((CharSequence) obj);
 		}
+
+		if(obj instanceof Number){
+			return obj.toString();
+		}
 		return toJsonStr(parse(obj, jsonConfig));
 	}
 
diff --git a/hutool-json/src/test/java/cn/hutool/json/JSONUtilTest.java b/hutool-json/src/test/java/cn/hutool/json/JSONUtilTest.java
index d187c267d..1c985bf77 100644
--- a/hutool-json/src/test/java/cn/hutool/json/JSONUtilTest.java
+++ b/hutool-json/src/test/java/cn/hutool/json/JSONUtilTest.java
@@ -233,4 +233,18 @@ public class JSONUtilTest {
 		final String xmlStr = JSONUtil.toXmlStr(obj);
 		Assert.assertEquals("<key1>v1</key1><key2>a</key2><key2>b</key2><key2>c</key2>", xmlStr);
 	}
+
+	@Test
+	public void toJsonStrOfStringTest(){
+		String a = "a";
+		final String s = JSONUtil.toJsonStr(a);
+		Assert.assertEquals(a, s);
+	}
+
+	@Test
+	public void toJsonStrOfNumberTest(){
+		int a = 1;
+		final String s = JSONUtil.toJsonStr(a);
+		Assert.assertEquals("1", s);
+	}
 }