diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveLinkedMap.java b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveLinkedMap.java
index 6dcab1f5d..9f80a1d56 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveLinkedMap.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveLinkedMap.java
@@ -73,7 +73,7 @@ public class CaseInsensitiveLinkedMap<K, V> extends CaseInsensitiveMap<K, V> {
 	 * @param loadFactor 加载因子
 	 */
 	public CaseInsensitiveLinkedMap(final int initialCapacity, final float loadFactor) {
-		super(new LinkedHashMap<>(initialCapacity, loadFactor));
+		super(MapBuilder.of(new LinkedHashMap<>(initialCapacity, loadFactor)));
 	}
 	// ------------------------------------------------------------------------- Constructor end
 }
diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveMap.java b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveMap.java
index 7c00e5b9d..31a2afe53 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveMap.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveMap.java
@@ -49,7 +49,7 @@ public class CaseInsensitiveMap<K, V> extends FuncKeyMap<K, V> {
 
 	/**
 	 * 构造<br>
-	 * 注意此构造将传入的Map作为被包装的Map，针对任何修改，传入的Map都会被同样修改。
+	 * 注意此构造将传入的Map所有值复制到当前map中，不修改传入map。
 	 *
 	 * @param m 被包装的自定义Map创建器
 	 */
diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveTreeMap.java b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveTreeMap.java
index 7d545172c..8c2a49b5e 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveTreeMap.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/map/CaseInsensitiveTreeMap.java
@@ -14,7 +14,6 @@ package org.dromara.hutool.core.map;
 
 import java.util.Comparator;
 import java.util.Map;
-import java.util.SortedMap;
 import java.util.TreeMap;
 
 /**
@@ -49,23 +48,13 @@ public class CaseInsensitiveTreeMap<K, V> extends CaseInsensitiveMap<K, V> {
 		this.putAll(m);
 	}
 
-	/**
-	 * 构造
-	 *
-	 * @param m Map，初始Map，键值对会被复制到新的TreeMap中
-	 * @since 3.1.2
-	 */
-	public CaseInsensitiveTreeMap(final SortedMap<? extends K, ? extends V> m) {
-		super(new TreeMap<K, V>(m));
-	}
-
 	/**
 	 * 构造
 	 *
 	 * @param comparator 比较器，{@code null}表示使用默认比较器
 	 */
 	public CaseInsensitiveTreeMap(final Comparator<? super K> comparator) {
-		super(new TreeMap<>(comparator));
+		super(MapBuilder.of(new TreeMap<>(comparator)));
 	}
 	// ------------------------------------------------------------------------- Constructor end
 }
diff --git a/hutool-core/src/test/java/org/dromara/hutool/core/map/CaseInsensitiveMapTest.java b/hutool-core/src/test/java/org/dromara/hutool/core/map/CaseInsensitiveMapTest.java
index 146361ef3..cbe33a71b 100644
--- a/hutool-core/src/test/java/org/dromara/hutool/core/map/CaseInsensitiveMapTest.java
+++ b/hutool-core/src/test/java/org/dromara/hutool/core/map/CaseInsensitiveMapTest.java
@@ -16,6 +16,9 @@ import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 public class CaseInsensitiveMapTest {
 
@@ -23,16 +26,16 @@ public class CaseInsensitiveMapTest {
 	public void caseInsensitiveMapTest() {
 		final CaseInsensitiveMap<String, String> map = new CaseInsensitiveMap<>();
 		map.put("aAA", "OK");
-		Assertions.assertEquals("OK", map.get("aaa"));
-		Assertions.assertEquals("OK", map.get("AAA"));
+		assertEquals("OK", map.get("aaa"));
+		assertEquals("OK", map.get("AAA"));
 	}
 
 	@Test
 	public void caseInsensitiveLinkedMapTest() {
 		final CaseInsensitiveLinkedMap<String, String> map = new CaseInsensitiveLinkedMap<>();
 		map.put("aAA", "OK");
-		Assertions.assertEquals("OK", map.get("aaa"));
-		Assertions.assertEquals("OK", map.get("AAA"));
+		assertEquals("OK", map.get("aaa"));
+		assertEquals("OK", map.get("AAA"));
 	}
 
 	@Test
@@ -44,6 +47,42 @@ public class CaseInsensitiveMapTest {
 		map.merge(b.getKey(), b.getValue(), (A, B) -> A);
 		map.merge(a.getKey(), a.getValue(), (A, B) -> A);
 
-		Assertions.assertEquals(1, map.size());
+		assertEquals(1, map.size());
+	}
+
+	@Test
+	public void issueIA4K4FTest() {
+		final Map<String, Object> map = new CaseInsensitiveLinkedMap<>();
+		map.put("b", 2);
+		map.put("a", 1);
+
+		final AtomicInteger index = new AtomicInteger();
+		map.forEach((k, v) -> {
+			if(0 == index.get()){
+				assertEquals("b", k);
+			} else if(1 == index.get()){
+				assertEquals("a", k);
+			}
+
+			index.getAndIncrement();
+		});
+	}
+
+	@Test
+	public void issueIA4K4FTest2() {
+		final Map<String, Object> map = new CaseInsensitiveTreeMap<>();
+		map.put("b", 2);
+		map.put("a", 1);
+
+		final AtomicInteger index = new AtomicInteger();
+		map.forEach((k, v) -> {
+			if(0 == index.get()){
+				assertEquals("a", k);
+			} else if(1 == index.get()){
+				assertEquals("b", k);
+			}
+
+			index.getAndIncrement();
+		});
 	}
 }