From 486758b0e3ec475fd562b75c81aedb21c104543c Mon Sep 17 00:00:00 2001
From: Looly <loolly@gmail.com>
Date: Wed, 8 Jun 2022 15:59:51 +0800
Subject: [PATCH] fix

---
 .../java/cn/hutool/core/collection/CollUtil.java    | 13 -------------
 .../cn/hutool/core/collection/iter/IterUtil.java    |  3 +++
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java b/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
index aafcdcd63..182e03ebb 100755
--- a/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
@@ -1964,19 +1964,6 @@ public class CollUtil {
 		return IterUtil.getFirst(iterable);
 	}
 
-	/**
-	 * 获取集合的第一个元素
-	 *
-	 * @param <T>      集合元素类型
-	 * @param iterator {@link Iterator}
-	 * @return 第一个元素
-	 * @see IterUtil#getFirst(Iterator)
-	 * @since 3.0.1
-	 */
-	public static <T> T getFirst(final Iterator<T> iterator) {
-		return IterUtil.getFirst(iterator);
-	}
-
 	/**
 	 * 获取集合的最后一个元素
 	 *
diff --git a/hutool-core/src/main/java/cn/hutool/core/collection/iter/IterUtil.java b/hutool-core/src/main/java/cn/hutool/core/collection/iter/IterUtil.java
index ec3c0d9fa..e4dec822d 100644
--- a/hutool-core/src/main/java/cn/hutool/core/collection/iter/IterUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/collection/iter/IterUtil.java
@@ -556,6 +556,9 @@ public class IterUtil {
 	 * @since 5.8.0
 	 */
 	public static <E> E get(final Iterator<E> iterator, int index) throws IndexOutOfBoundsException {
+		if(null == iterator){
+			return null;
+		}
 		Assert.isTrue(index >= 0, "[index] must be >= 0");
 		while (iterator.hasNext()) {
 			index--;