diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/math/NumberUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/math/NumberUtil.java
index b7c76925c..10af469a6 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/math/NumberUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/math/NumberUtil.java
@@ -1456,7 +1456,7 @@ public class NumberUtil extends NumberValidator {
 	/**
 	 * 检查是否为有效的数字<br>
 	 * 检查Double和Float是否为无限大，或者Not a Number<br>
-	 * 非数字类型和Null将返回true
+	 * 非数字类型和{@code null}将返回{@code false}
 	 *
 	 * @param number 被检查类型
 	 * @return 检查结果，非数字类型和Null将返回true
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/util/NumberUtilTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/util/NumberUtilTest.java
index 1934e1f16..289c071f2 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/util/NumberUtilTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/util/NumberUtilTest.java
@@ -771,4 +771,10 @@ public class NumberUtilTest {
 		Assertions.assertEquals(BigDecimal.ZERO, NumberUtil.nullToZero((BigDecimal) null));
 		Assertions.assertEquals(BigInteger.ZERO, NumberUtil.nullToZero((BigInteger) null));
 	}
+
+	@Test
+	public void isValidNumberTest() {
+		final boolean validNumber = NumberUtil.isValidNumber(1);
+		Assertions.assertTrue(validNumber);
+	}
 }