diff --git a/index.html b/index.html
index abe49f125..6ec89d172 100755
--- a/index.html
+++ b/index.html
@@ -18,118 +18,130 @@
 	</script>
 	<script>
 		if (location.href.startsWith('http') && typeof window.initReadWriteFunction != 'function' && !window.require && !window.__dirname) {
-			window.initReadWriteFunction = function(game) {
-				/*game.download = function() {
-					// 暂不实现
-				};*/
-				
-				game.createDir = function (dir, success = () => {}, error = () => {}) {
-					fetch(`./createDir?dir=${dir}`)
+			window.initReadWriteFunction = async function(game) {
+				return new Promise((resolve, reject) => {
+					fetch(`./readFile?fileName=noname.js`)
 						.then(response => {
 							return response.json();
 						})
 						.then(result => {
-							if (result && result.success) success();
-							else error();
+							if (result && result.success) callback();
+							else reject(result.errorMsg)
 						})
-						.catch(error);
-				};
+						.catch(reject);
 
-				game.readFile = function (fileName, callback = () => {}, error = () => {}) {
-					fetch(`./readFile?fileName=${fileName}`)
-						.then(response => {
-							return response.json();
-						})
-						.then(result => {
-							if (result && result.success) callback(new Uint8Array(result.data).buffer);
-							else error(result && result.errorMsg);
-						})
-						.catch(error);
-				};
-
-				game.readFileAsText = function (fileName, callback = () => {}, error = () => {}) {
-					fetch(`./readFileAsText?fileName=${fileName}`)
-						.then(response => {
-							return response.json();
-						})
-						.then(result => {
-							if (result && result.success) callback(result.data);
-							else error(result && result.errorMsg);
-						})
-						.catch(error);
-				};
-
-				game.writeFile = function (data, path, name, callback = () => { }) {
-					game.ensureDirectory(path, function () {
-						if (Object.prototype.toString.call(data) == '[object File]') {
-							const fileReader = new FileReader();
-							fileReader.onload = function (e) {
-								game.writeFile(e.target.result, path, name, callback);
-							};
-							fileReader.readAsArrayBuffer(data, "UTF-8");
-						}
-						else {
-							let filePath = path;
-							if (path.endsWith('/')) {
-								filePath += name;
-							} else if (path == "") {
-								filePath += name;
-							} else {
-								filePath += '/' + name;
-							}
-
-							fetch(`./writeFile`, {
-								method: 'post',
-								headers: { "Content-Type": "application/json" },
-								body: JSON.stringify({
-									data: typeof data == 'string' ? data : Array.prototype.slice.call(new Uint8Array(data)),
-									path: filePath
+					function callback() {
+						game.createDir = function (dir, success = () => { }, error = () => { }) {
+							fetch(`./createDir?dir=${dir}`)
+								.then(response => {
+									return response.json();
 								})
-							})
-							.then(response => {
-								return response.json();
-							})
-							.then(result => {
-								if (result && result.success) {
-									callback();
-								} else {
-									callback(result.errorMsg);
+								.then(result => {
+									if (result && result.success) success();
+									else error();
+								})
+								.catch(error);
+						};
+
+						game.readFile = function (fileName, callback = () => { }, error = () => { }) {
+							fetch(`./readFile?fileName=${fileName}`)
+								.then(response => {
+									return response.json();
+								})
+								.then(result => {
+									if (result && result.success) callback(new Uint8Array(result.data).buffer);
+									else error(result && result.errorMsg);
+								})
+								.catch(error);
+						};
+
+						game.readFileAsText = function (fileName, callback = () => { }, error = () => { }) {
+							fetch(`./readFileAsText?fileName=${fileName}`)
+								.then(response => {
+									return response.json();
+								})
+								.then(result => {
+									if (result && result.success) callback(result.data);
+									else error(result && result.errorMsg);
+								})
+								.catch(error);
+						};
+
+						game.writeFile = function (data, path, name, callback = () => { }) {
+							game.ensureDirectory(path, function () {
+								if (Object.prototype.toString.call(data) == '[object File]') {
+									const fileReader = new FileReader();
+									fileReader.onload = function (e) {
+										game.writeFile(e.target.result, path, name, callback);
+									};
+									fileReader.readAsArrayBuffer(data, "UTF-8");
+								}
+								else {
+									let filePath = path;
+									if (path.endsWith('/')) {
+										filePath += name;
+									} else if (path == "") {
+										filePath += name;
+									} else {
+										filePath += '/' + name;
+									}
+
+									fetch(`./writeFile`, {
+										method: 'post',
+										headers: { "Content-Type": "application/json" },
+										body: JSON.stringify({
+											data: typeof data == 'string' ? data : Array.prototype.slice.call(new Uint8Array(data)),
+											path: filePath
+										})
+									})
+										.then(response => {
+											return response.json();
+										})
+										.then(result => {
+											if (result && result.success) {
+												callback();
+											} else {
+												callback(result.errorMsg);
+											}
+										});
 								}
 							});
-						}
-					});
-				};
+						};
 
-				game.removeFile = function (fileName, callback = () => {}) {
-					fetch(`./removeFile?fileName=${fileName}`)
-						.then(response => {
-							return response.json();
-						})
-						.then(result => {
-							callback(result.errorMsg);
-						})
-						.catch(error);
-				};
+						game.removeFile = function (fileName, callback = () => { }) {
+							fetch(`./removeFile?fileName=${fileName}`)
+								.then(response => {
+									return response.json();
+								})
+								.then(result => {
+									callback(result.errorMsg);
+								})
+								.catch(error);
+						};
 
-				game.getFileList = function (dir, callback = () => {}) {
-					fetch(`./getFileList?dir=${dir}`)
-						.then(response => {
-							return response.json();
-						})
-						.then(result => {
-							if (result && result.success) {
-								callback(result.data.dirs, result.data.files);
+						game.getFileList = function (dir, callback = () => { }) {
+							fetch(`./getFileList?dir=${dir}`)
+								.then(response => {
+									return response.json();
+								})
+								.then(result => {
+									if (result && result.success) {
+										callback(result.data.dirs, result.data.files);
+									}
+								});
+						};
+
+						game.ensureDirectory = function (list, callback = () => { }, file = false) {
+							let pathArray = typeof list == "string" ? list.split("/") : list;
+							if (file) {
+								pathArray = pathArray.slice(0, -1);
 							}
-						});
-				};
+							game.createDir(pathArray.join("/"), callback, console.error);
+						};
 
-				game.ensureDirectory = function (list, callback = () => {}, file = false) {
-					let pathArray = typeof list == "string" ? list.split("/") : list;
-					if (file) {
-						pathArray = pathArray.slice(0, -1);
+						resolve();
 					}
-					game.createDir(pathArray.join("/"), callback, console.error);
-				};
+				});
 			};
 		}
 	</script>
diff --git a/node_modules/noname-typings/windowEx.d.ts b/node_modules/noname-typings/windowEx.d.ts
index 3d82e2a0f..aebf594b6 100644
--- a/node_modules/noname-typings/windowEx.d.ts
+++ b/node_modules/noname-typings/windowEx.d.ts
@@ -68,8 +68,8 @@ declare interface Window {
         get: Get;
         ai: AI;
     }
-
-    initReadWriteFunction?(game: Game): void;
+    /** 为其他自定义平台提供文件读写函数赋值的一种方式 */
+    initReadWriteFunction?(game: Game): Promise<void>;
 
     bannedKeyWords: string[];
 }
diff --git a/noname/init/index.js b/noname/init/index.js
index 02835a5f8..13f148ef7 100644
--- a/noname/init/index.js
+++ b/noname/init/index.js
@@ -106,7 +106,7 @@ export async function boot() {
 	else if (!Reflect.has(lib, 'device')) {
 		Reflect.set(lib, 'path', (await import('../library/path.js')).default);
 		//为其他自定义平台提供文件读写函数赋值的一种方式。
-		//但这种方式只能修改game的文件读写函数。
+		//但这种方式只允许修改game的文件读写函数。
 		if (typeof window.initReadWriteFunction == 'function') {
 			const g = {};
 			const ReadWriteFunctionName = ['download', 'readFile', 'readFileAsText', 'writeFile', 'removeFile', 'getFileList', 'ensureDirectory', 'createDir'];
@@ -123,7 +123,9 @@ export async function boot() {
 				});
 			});
 			// @ts-ignore
-			window.initReadWriteFunction(g);
+			await window.initReadWriteFunction(g).catch(e => {
+				console.error('文件读写函数初始化失败:', e);
+			});
 		}
 		window.onbeforeunload = function () {
 			if (config.get('confirm_exit') && !_status.reloading) {