diff --git a/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
index 99f3137b6..36be3c40c 100755
--- a/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/IdcardUtil.java
@@ -552,7 +552,7 @@ public class IdcardUtil {
 	public static int getGenderByIdCard(String idcard) {
 		Assert.notBlank(idcard);
 		final int len = idcard.length();
-		if (len < CHINA_ID_MIN_LENGTH) {
+		if (!(len == CHINA_ID_MIN_LENGTH || len == CHINA_ID_MAX_LENGTH)) {
 			throw new IllegalArgumentException("ID Card length must be 15 or 18");
 		}