diff --git a/hutool-core/src/main/java/cn/hutool/core/map/CamelCaseMap.java b/hutool-core/src/main/java/cn/hutool/core/map/CamelCaseMap.java
index d3fc0d2e7..e5e7b04ef 100644
--- a/hutool-core/src/main/java/cn/hutool/core/map/CamelCaseMap.java
+++ b/hutool-core/src/main/java/cn/hutool/core/map/CamelCaseMap.java
@@ -2,8 +2,10 @@ package cn.hutool.core.map;
 
 import cn.hutool.core.text.StrUtil;
 
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.function.Function;
 
 /**
  * 驼峰Key风格的Map<br>
@@ -73,7 +75,8 @@ public class CamelCaseMap<K, V> extends FuncKeyMap<K, V> {
 	 */
 	@SuppressWarnings("unchecked")
 	CamelCaseMap(final MapBuilder<K, V> emptyMapBuilder) {
-		super(emptyMapBuilder.build(), (key) -> {
+		// issue#I5VRHW@Gitee 使Function可以被序列化
+		super(emptyMapBuilder.build(), (Function<Object, K> & Serializable)(key) -> {
 			if (key instanceof CharSequence) {
 				key = StrUtil.toCamelCase(key.toString());
 			}
diff --git a/hutool-core/src/main/java/cn/hutool/core/map/CaseInsensitiveMap.java b/hutool-core/src/main/java/cn/hutool/core/map/CaseInsensitiveMap.java
index c3c7c5c69..6ca479ba3 100644
--- a/hutool-core/src/main/java/cn/hutool/core/map/CaseInsensitiveMap.java
+++ b/hutool-core/src/main/java/cn/hutool/core/map/CaseInsensitiveMap.java
@@ -1,7 +1,9 @@
 package cn.hutool.core.map;
 
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.function.Function;
 
 /**
  * 忽略大小写的Map<br>
@@ -73,7 +75,8 @@ public class CaseInsensitiveMap<K, V> extends FuncKeyMap<K, V> {
 	 */
 	@SuppressWarnings("unchecked")
 	CaseInsensitiveMap(final MapBuilder<K, V> emptyMapBuilder) {
-		super(emptyMapBuilder.build(), (key)->{
+		// issue#I5VRHW@Gitee 使Function可以被序列化
+		super(emptyMapBuilder.build(), (Function<Object, K> & Serializable)(key)->{
 			if (key instanceof CharSequence) {
 				key = key.toString().toLowerCase();
 			}
diff --git a/hutool-core/src/test/java/cn/hutool/core/map/CamelCaseMapTest.java b/hutool-core/src/test/java/cn/hutool/core/map/CamelCaseMapTest.java
index 9f8dc2760..b436a7b7f 100644
--- a/hutool-core/src/test/java/cn/hutool/core/map/CamelCaseMapTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/map/CamelCaseMapTest.java
@@ -1,5 +1,6 @@
 package cn.hutool.core.map;
 
+import cn.hutool.core.io.SerializeUtil;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -20,4 +21,16 @@ public class CamelCaseMapTest {
 		Assert.assertEquals("OK", map.get("customKey"));
 		Assert.assertEquals("OK", map.get("custom_key"));
 	}
+
+	@Test
+	public void serializableKeyFuncTest() {
+		final CamelCaseMap<String, String> map = new CamelCaseMap<>();
+		map.put("serializable_key", "OK");
+		final CamelCaseMap<String, String> deSerializableMap = SerializeUtil.deserialize(SerializeUtil.serialize(map));
+		Assert.assertEquals("OK", deSerializableMap.get("serializable_key"));
+		Assert.assertEquals("OK", deSerializableMap.get("serializableKey"));
+		deSerializableMap.put("serializable_func", "OK");
+		Assert.assertEquals("OK", deSerializableMap.get("serializable_func"));
+		Assert.assertEquals("OK", deSerializableMap.get("serializableFunc"));
+	}
 }