diff --git a/CHANGELOG.md b/CHANGELOG.md
index fdcc65b2e..a027e3e84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -64,6 +64,7 @@
 * 【core   】     修复Win下文件名带*问题（pr#584@Gitee）
 * 【core   】     FileUtil.getMimeType增加rar、7z支持（issue#I4ZBN0@Gitee）
 * 【json   】     JSON修复transient设置无效问题（issue#2212@Github）
+* 【core   】     修复IterUtil.getElementType获取结果为null的问题（issue#2222@Github）
 
 -------------------------------------------------------------------------------------------------------------
 # 5.7.22 (2022-03-01)
diff --git a/hutool-core/src/main/java/cn/hutool/core/collection/IterUtil.java b/hutool-core/src/main/java/cn/hutool/core/collection/IterUtil.java
index 2634eefae..57067264e 100644
--- a/hutool-core/src/main/java/cn/hutool/core/collection/IterUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/collection/IterUtil.java
@@ -643,7 +643,7 @@ public class IterUtil {
 	 */
 	public static Class<?> getElementType(Iterator<?> iterator) {
 		final Iterator<?> iter2 = new CopiedIter<>(iterator);
-		if (iter2.hasNext()) {
+		while (iter2.hasNext()) {
 			final Object t = iter2.next();
 			if (null != t) {
 				return t.getClass();
diff --git a/hutool-core/src/test/java/cn/hutool/core/collection/IterUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/collection/IterUtilTest.java
index 98aaddab2..a0f9c7991 100644
--- a/hutool-core/src/test/java/cn/hutool/core/collection/IterUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/collection/IterUtilTest.java
@@ -90,6 +90,13 @@ public class IterUtilTest {
 		Assert.assertEquals(expectedMap, testMap);
 	}
 
+	@Test
+	public void getElementTypeTest(){
+		List<Integer> integers = Arrays.asList(null, 1);
+		Class<?> elementType = IterUtil.getElementType(integers);
+		Assert.assertEquals(Integer.class,elementType);
+	}
+
 	@Data
 	@AllArgsConstructor
 	public static class Car {
diff --git a/hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternNextMatchTest.java b/hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternNextMatchTest.java
index 6ee3bf0e8..aad62aeb4 100644
--- a/hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternNextMatchTest.java
+++ b/hutool-cron/src/test/java/cn/hutool/cron/pattern/CronPatternNextMatchTest.java
@@ -14,7 +14,7 @@ public class CronPatternNextMatchTest {
 		CronPattern pattern = new CronPattern("23 12 * 12 * * *");
 		//noinspection ConstantConditions
 		final Calendar calendar = pattern.nextMatchAfter(
-				DateUtil.parse("2022-04-12 09:12:12").toCalendar());
+				DateUtil.parse("2022-04-12 09:12:24").toCalendar());
 
 		Console.log(DateUtil.date(calendar));
 		Assert.assertTrue(pattern.match(calendar, true));