diff --git a/hutool-core/src/main/java/cn/hutool/core/stream/EasyStream.java b/hutool-core/src/main/java/cn/hutool/core/stream/EasyStream.java
index d6ff7879b..03f1e38e7 100644
--- a/hutool-core/src/main/java/cn/hutool/core/stream/EasyStream.java
+++ b/hutool-core/src/main/java/cn/hutool/core/stream/EasyStream.java
@@ -40,6 +40,7 @@ import java.util.stream.StreamSupport;
  * </ul>
  * 不同类型的流可以通过{@link #sequential()}或{@link #parallel()}互相转换。
  *
+ * @param <T> 对象类型
  * @author VampireAchao
  * @author emptypoint
  * @author huangchengxing
@@ -270,7 +271,7 @@ public class EasyStream<T> extends AbstractEnhancedWrappedStream<T, EasyStream<T
 	 * @return 子类实现
 	 */
 	@Override
-	public EasyStream<T> transform(Stream<T> stream) {
+	public EasyStream<T> transform(final Stream<T> stream) {
 		this.stream = stream;
 		return this;
 	}
diff --git a/hutool-core/src/main/java/cn/hutool/core/stream/StreamUtil.java b/hutool-core/src/main/java/cn/hutool/core/stream/StreamUtil.java
index 882599b71..23e64e57c 100644
--- a/hutool-core/src/main/java/cn/hutool/core/stream/StreamUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/stream/StreamUtil.java
@@ -32,6 +32,11 @@ import static java.util.Objects.requireNonNull;
  */
 public class StreamUtil {
 
+	/**
+	 * @param array 数组
+	 * @param <T>   元素类型
+	 * @return {@link Stream}
+	 */
 	@SafeVarargs
 	public static <T> Stream<T> of(final T... array) {
 		Assert.notNull(array, "Array must be not null!");
@@ -66,8 +71,9 @@ public class StreamUtil {
 
 	/**
 	 * {@link Iterator} 转换为 {@link Stream}
+	 *
 	 * @param iterator 迭代器
-	 * @param <T> 集合元素类型
+	 * @param <T>      集合元素类型
 	 * @return {@link Stream}
 	 * @throws IllegalArgumentException 如果iterator为null，抛出该异常
 	 */
@@ -77,9 +83,10 @@ public class StreamUtil {
 
 	/**
 	 * {@link Iterator} 转换为 {@link Stream}
+	 *
 	 * @param iterator 迭代器
 	 * @param parallel 是否并行
-	 * @param <T> 集合元素类型
+	 * @param <T>      集合元素类型
 	 * @return {@link Stream}
 	 * @throws IllegalArgumentException 如果iterator为null，抛出该异常
 	 */
diff --git a/hutool-core/src/main/java/cn/hutool/core/stream/TransformableWrappedStream.java b/hutool-core/src/main/java/cn/hutool/core/stream/TransformableWrappedStream.java
index ef85e8ad1..67ea84996 100644
--- a/hutool-core/src/main/java/cn/hutool/core/stream/TransformableWrappedStream.java
+++ b/hutool-core/src/main/java/cn/hutool/core/stream/TransformableWrappedStream.java
@@ -42,8 +42,8 @@ public interface TransformableWrappedStream<T, S extends TransformableWrappedStr
 			final Iterable<U> other,
 			final BiFunction<? super T, ? super U, ? extends R> zipper) {
 		Objects.requireNonNull(zipper);
-		Map<Integer, T> idxIdentityMap = mapIdx((e, idx) -> MapUtil.entry(idx, e)).collect(CollectorUtil.entryToMap());
-		Map<Integer, U> idxOtherMap = EasyStream.of(other).mapIdx((e, idx) -> MapUtil.entry(idx, e)).collect(CollectorUtil.entryToMap());
+		final Map<Integer, T> idxIdentityMap = mapIdx((e, idx) -> MapUtil.entry(idx, e)).collect(CollectorUtil.entryToMap());
+		final Map<Integer, U> idxOtherMap = EasyStream.of(other).mapIdx((e, idx) -> MapUtil.entry(idx, e)).collect(CollectorUtil.entryToMap());
 		if (idxIdentityMap.size() <= idxOtherMap.size()) {
 			return EasyStream.of(idxIdentityMap.keySet(), isParallel()).map(k -> zipper.apply(idxIdentityMap.get(k), idxOtherMap.get(k)));
 		}