fix doc

hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java

@@ -576,8 +576,10 @@ public class BeanUtil {
 	/**
 	 * 创建对应的Class对象并复制Bean对象属性
 	 *
+	 * @param <T>    对象类型
 	 * @param source 源Bean对象
 	 * @param tClass 目标Class
+	 * @return 目标对象
 	 */
 	public static <T> T copyProperties(Object source, Class<T> tClass) {
 		T target = ReflectUtil.newInstance(tClass);

hutool-core/src/main/java/cn/hutool/core/lang/tree/Tree.java

@@ -91,6 +91,7 @@ public class Tree<T> extends LinkedHashMap<String, Object> implements Node<T> {
 	 * 设置父节点
 	 *
 	 * @param parent 父节点
+	 * @return this
 	 * @since 5.2.4
 	 */
 	public Tree<T> setParent(Tree<T> parent) {