diff --git a/hutool-core/src/test/java/cn/hutool/core/convert/NumberWordFormatTest.java b/hutool-core/src/test/java/cn/hutool/core/convert/NumberWordFormatTest.java
index 802d621c4..07d7e1563 100644
--- a/hutool-core/src/test/java/cn/hutool/core/convert/NumberWordFormatTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/convert/NumberWordFormatTest.java
@@ -12,6 +12,9 @@ public class NumberWordFormatTest {
 
 		String format2 = NumberWordFormatter.format("2100.00");
 		Assert.assertEquals("TWO THOUSAND ONE HUNDRED AND CENTS  ONLY", format2);
+
+		String format3 = NumberWordFormatter.format("1234567890123.12");
+		Assert.assertEquals("ONE TRILLION TWO HUNDRED AND THIRTY FOUR BILLION FIVE HUNDRED AND SIXTY SEVEN MILLION EIGHT HUNDRED AND NINETY THOUSAND ONE HUNDRED AND TWENTY THREE AND CENTS TWELVE ONLY", format3);
 	}
 
 	@Test