diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/date/ZoneUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/date/ZoneUtil.java
index d49220779..63af18888 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/date/ZoneUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/date/ZoneUtil.java
@@ -81,7 +81,7 @@ public class ZoneUtil {
 	 *
 	 * @param rawOffset 偏移量
 	 * @param timeUnit  偏移量单位
-	 * @return 时区ID，未找到返回{@link null}
+	 * @return 时区ID，未找到返回{@code null}
 	 */
 	public static String getAvailableID(final int rawOffset, final TimeUnit timeUnit) {
 		final String[] availableIDs = TimeZone.getAvailableIDs(