diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/text/split/SplitUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/text/split/SplitUtilTest.java
index 7503fff58..9781da7b5 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/text/split/SplitUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/text/split/SplitUtilTest.java
@@ -119,7 +119,10 @@ public class SplitUtilTest {
 
 	@Test
 	void issue3421Test() {
-		final List<String> strings = SplitUtil.splitByRegex("", "", 0, false, false);
+		List<String> strings = SplitUtil.splitByRegex("", "", 0, false, false);
 		Assertions.assertEquals(ListUtil.empty(), strings);
+
+		strings = SplitUtil.splitByRegex("aaa", "", 0, false, false);
+		Assertions.assertEquals(ListUtil.of("aaa"), strings);
 	}
 }