diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59d101eb5..65a9e5d5a 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@
 * 【crypto 】      支持"RSA/ECB/OAEPWithSHA-1AndMGF1Padding"的RSA加解密（pr#3675@Github）
 * 【core   】      Opt增加ifFail（pr#1239@Gitee）
 * 【poi    】      增加GlobalPoiConfig（issue#IAEHJH@Gitee）
+* 【core   】      优化IndexedComparator性能（pr#1240@Gitee）
 
 ### 🐞Bug修复
 * 【core   】      修复因RFC3986理解有误导致的UrlPath处理冒号转义问题（issue#IAAE88@Gitee）
diff --git a/hutool-core/src/main/java/cn/hutool/core/comparator/IndexedComparator.java b/hutool-core/src/main/java/cn/hutool/core/comparator/IndexedComparator.java
index 71026b22e..b34d657a8 100644
--- a/hutool-core/src/main/java/cn/hutool/core/comparator/IndexedComparator.java
+++ b/hutool-core/src/main/java/cn/hutool/core/comparator/IndexedComparator.java
@@ -55,7 +55,7 @@ public class IndexedComparator<T> implements Comparator<T> {
 	public IndexedComparator(boolean atEndIfMiss, T... objs) {
 		Assert.notNull(objs, "'objs' array must not be null");
 		this.atEndIfMiss = atEndIfMiss;
-		map = new HashMap<>(1 + (int) (objs.length / 0.75));
+		map = new HashMap<>(objs.length, 1);
 		for (int i = 0; i < objs.length; i++) {
 			map.put(objs[i], i);
 		}
diff --git a/hutool-core/src/test/java/cn/hutool/core/comparator/ArrayIndexedComparator.java b/hutool-core/src/test/java/cn/hutool/core/comparator/ArrayIndexedComparator.java
index 44bd6c929..75115ae95 100644
--- a/hutool-core/src/test/java/cn/hutool/core/comparator/ArrayIndexedComparator.java
+++ b/hutool-core/src/test/java/cn/hutool/core/comparator/ArrayIndexedComparator.java
@@ -11,7 +11,7 @@ import java.util.Comparator;
  *
  * @param <T> 被排序元素类型
  * @author looly
- * @since 4.1.5
+ * @since 5.8.30
  */
 public class ArrayIndexedComparator<T> implements Comparator<T> {