diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdaeb594..da42ceac 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@
 - Merged "Allow a cookie without a domain to be set on Android" [#1295](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1295) (thanks to [bagedevimo](https://github.com/bagedevimo))
 - Merged "Catch and ignore utf8 format exception in getFavicons()" [#1302](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1302) (thanks to [Doflatango](https://github.com/Doflatango))
 - Merged "Disable exporting activity definitions for Android" [#1313](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1313) (thanks to [daanporon](https://github.com/daanporon))
+- Merged "Add directoryIndex and documentRoot to InAppLocalhostServer option" [#1319](https://github.com/pichillilorenzo/flutter_inappwebview/pull/1319) (thanks to [fa0311](https://github.com/fa0311))
 
 ## 5.4.4+3
 
diff --git a/example/lib/main.dart b/example/lib/main.dart
index e233ac4e..bab8ae07 100755
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -13,7 +13,7 @@ import 'package:pointer_interceptor/pointer_interceptor.dart';
 // import 'package:path_provider/path_provider.dart';
 // import 'package:permission_handler/permission_handler.dart';
 
-InAppLocalhostServer localhostServer = new InAppLocalhostServer();
+InAppLocalhostServer localhostServer = new InAppLocalhostServer(documentRoot: 'assets');
 
 Future main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -21,8 +21,6 @@ Future main() async {
   // await Permission.microphone.request();
   // await Permission.storage.request();
 
-  WebView.debugLoggingSettings.maxLogMessageLength = 500;
-
   if (defaultTargetPlatform == TargetPlatform.android) {
     await InAppWebViewController.setWebContentsDebuggingEnabled(true);
   }
diff --git a/lib/src/in_app_localhost_server.dart b/lib/src/in_app_localhost_server.dart
index e30c96d5..6b5085c4 100755
--- a/lib/src/in_app_localhost_server.dart
+++ b/lib/src/in_app_localhost_server.dart
@@ -6,7 +6,8 @@ import 'package:flutter/services.dart' show rootBundle;
 
 import 'mime_type_resolver.dart';
 
-///This class allows you to create a simple server on `http://localhost:[port]/` in order to be able to load your assets file on a server. The default [port] value is `8080`.
+///This class allows you to create a simple server on `http://localhost:[port]/` in order to be able to load your assets file on a server.
+///The default `port` value is `8080`.
 ///
 ///**Supported Platforms/Implementations**:
 ///- Android native WebView
@@ -15,14 +16,28 @@ class InAppLocalhostServer {
   bool _started = false;
   HttpServer? _server;
   int _port = 8080;
+  String _directoryIndex = 'index.html';
+  String _documentRoot = './';
 
-  InAppLocalhostServer({int port = 8080}) {
+  ///- [port] represents the port of the server. The default value is `8080`.
+  ///
+  ///- [directoryIndex] represents the index file to use. The default value is `index.html`.
+  ///
+  ///- [documentRoot] represents the document root path to serve. The default value is `./`.
+  InAppLocalhostServer({
+    int port = 8080,
+    String directoryIndex = 'index.html',
+    String documentRoot = './',
+  }) {
     this._port = port;
+    this._directoryIndex = directoryIndex;
+    this._documentRoot = (documentRoot.endsWith('/')) ? documentRoot : '$documentRoot/';
   }
 
   ///Starts the server on `http://localhost:[port]/`.
   ///
-  ///**NOTE for iOS**: For the iOS Platform, you need to add the `NSAllowsLocalNetworking` key with `true` in the `Info.plist` file (See [ATS Configuration Basics](https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW35)):
+  ///**NOTE for iOS**: For the iOS Platform, you need to add the `NSAllowsLocalNetworking` key with `true` in the `Info.plist` file
+  ///(See [ATS Configuration Basics](https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CocoaKeys.html#//apple_ref/doc/uid/TP40009251-SW35)):
   ///```xml
   ///<key>NSAppTransportSecurity</key>
   ///<dict>
@@ -50,7 +65,12 @@ class InAppLocalhostServer {
 
           var path = request.requestedUri.path;
           path = (path.startsWith('/')) ? path.substring(1) : path;
-          path += (path.endsWith('/')) ? 'index.html' : '';
+          path += (path.endsWith('/')) ? _directoryIndex : '';
+          if (path == '') {
+            // if the path still empty, try to load the index file
+            path = _directoryIndex;
+          }
+          path = _documentRoot + path;
 
           try {
             body = (await rootBundle.load(path)).buffer.asUint8List();