diff --git a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/jdk/JdkHttpResponse.java b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/jdk/JdkHttpResponse.java
index f372d6962..79450b72d 100644
--- a/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/jdk/JdkHttpResponse.java
+++ b/hutool-http/src/main/java/org/dromara/hutool/http/client/engine/jdk/JdkHttpResponse.java
@@ -12,9 +12,9 @@
 
 package org.dromara.hutool.http.client.engine.jdk;
 
+import org.dromara.hutool.core.array.ArrayUtil;
 import org.dromara.hutool.core.io.IoUtil;
 import org.dromara.hutool.core.io.stream.EmptyInputStream;
-import org.dromara.hutool.core.array.ArrayUtil;
 import org.dromara.hutool.core.util.ObjUtil;
 import org.dromara.hutool.http.HttpException;
 import org.dromara.hutool.http.HttpUtil;
@@ -28,7 +28,6 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpCookie;
 import java.nio.charset.Charset;
-import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -109,7 +108,7 @@ public class JdkHttpResponse implements Response, Closeable {
 	 */
 	@Override
 	public Map<String, List<String>> headers() {
-		return Collections.unmodifiableMap(headers);
+		return this.headers;
 	}
 
 	@Override
diff --git a/hutool-http/src/test/java/org/dromara/hutool/http/client/JdkEngineTest.java b/hutool-http/src/test/java/org/dromara/hutool/http/client/JdkEngineTest.java
index b4d77aa9c..f90c9ce7e 100644
--- a/hutool-http/src/test/java/org/dromara/hutool/http/client/JdkEngineTest.java
+++ b/hutool-http/src/test/java/org/dromara/hutool/http/client/JdkEngineTest.java
@@ -30,6 +30,8 @@ public class JdkEngineTest {
 		final Response res = engine.send(req);
 
 		Console.log(res.getStatus());
+		Console.log(res.headers().getClass());
+		Console.log(res.headers());
 		Console.log(res.bodyStr());
 	}
 }