diff --git a/README.md b/README.md
index 89ba2d1..83cab17 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,16 @@ yarn add hls2mp4
 import Hls2Mp4 from "hls2mp4";
 
 const hls2mp4 = new Hls2Mp4({
-  log: true
+  /**
+   * @type {number}
+   * max retry times while request data failed
+   */
+  maxRetry = 3,
+  /**
+   * @type {number}
+   * the concurrency for download ts
+   */
+  tsDownloadConcurrency = 10
 }, (type, progress) => {
   // type = 0  => load FFmpeg
   // type = 1  => parse m3u8
diff --git a/dist/README.md b/dist/README.md
index 89ba2d1..83cab17 100644
--- a/dist/README.md
+++ b/dist/README.md
@@ -30,7 +30,16 @@ yarn add hls2mp4
 import Hls2Mp4 from "hls2mp4";
 
 const hls2mp4 = new Hls2Mp4({
-  log: true
+  /**
+   * @type {number}
+   * max retry times while request data failed
+   */
+  maxRetry = 3,
+  /**
+   * @type {number}
+   * the concurrency for download ts
+   */
+  tsDownloadConcurrency = 10
 }, (type, progress) => {
   // type = 0  => load FFmpeg
   // type = 1  => parse m3u8
diff --git a/dist/hls2mp4.cjs b/dist/hls2mp4.cjs
index 79d0a20..c1b902a 100644
--- a/dist/hls2mp4.cjs
+++ b/dist/hls2mp4.cjs
@@ -1,6 +1,7 @@
 'use strict';
 
-var FFmpeg = require('@ffmpeg/ffmpeg');
+var ffmpeg = require('@ffmpeg/ffmpeg');
+var util = require('@ffmpeg/util');
 
 /******************************************************************************
 Copyright (c) Microsoft Corporation.
@@ -19,18 +20,6 @@ PERFORMANCE OF THIS SOFTWARE.
 /* global Reflect, Promise */
 
 
-function __rest(s, e) {
-    var t = {};
-    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
-        t[p] = s[p];
-    if (s != null && typeof Object.getOwnPropertySymbols === "function")
-        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
-            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
-                t[p[i]] = s[p[i]];
-        }
-    return t;
-}
-
 function __awaiter(thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -884,7 +873,6 @@ var aesJs = {exports: {}};
 var aesJsExports = aesJs.exports;
 var aesjs = /*@__PURE__*/getDefaultExportFromCjs(aesJsExports);
 
-var createFFmpeg = FFmpeg.createFFmpeg, fetchFile = FFmpeg.fetchFile;
 var TaskType;
 (function (TaskType) {
     TaskType[TaskType["loadFFmeg"] = 0] = "loadFFmeg";
@@ -903,11 +891,11 @@ function parseUrl(url, path) {
 }
 var Hls2Mp4 = /** @class */ (function () {
     function Hls2Mp4(_a, onProgress) {
-        var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c, options = __rest(_a, ["maxRetry", "tsDownloadConcurrency"]);
+        var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c;
         this.loadRetryTime = 0;
         this.totalSegments = 0;
         this.savedSegments = 0;
-        this.instance = createFFmpeg(options);
+        this.ffmpeg = new ffmpeg.FFmpeg();
         this.maxRetry = maxRetry;
         this.onProgress = onProgress;
         this.tsDownloadConcurrency = tsDownloadConcurrency;
@@ -952,7 +940,7 @@ var Hls2Mp4 = /** @class */ (function () {
                     case 1:
                         playList = _a.sent();
                         return [3 /*break*/, 4];
-                    case 2: return [4 /*yield*/, fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
+                    case 2: return [4 /*yield*/, util.fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
                     case 3:
                         playList = _a.sent();
                         _a.label = 4;
@@ -996,7 +984,7 @@ var Hls2Mp4 = /** @class */ (function () {
             var _b, done, data, fileName;
             return __generator(this, function (_c) {
                 switch (_c.label) {
-                    case 0: return [4 /*yield*/, this.loopLoadFile(function () { return fetchFile(url); })];
+                    case 0: return [4 /*yield*/, this.loopLoadFile(function () { return util.fetchFile(url); })];
                     case 1:
                         _b = _c.sent(), done = _b.done, data = _b.data;
                         if (done) {
@@ -1023,7 +1011,7 @@ var Hls2Mp4 = /** @class */ (function () {
                                     case 1:
                                         tsData = _c.sent();
                                         buffer = key ? this.aesDecrypt(tsData, key, iv) : this.transformBuffer(tsData);
-                                        this.instance.FS('writeFile', name, buffer);
+                                        this.ffmpeg.writeFile(name, buffer);
                                         this.savedSegments += 1;
                                         (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.downloadTs, this.savedSegments / this.totalSegments);
                                         return [2 /*return*/, {
@@ -1163,7 +1151,7 @@ var Hls2Mp4 = /** @class */ (function () {
                     case 14:
                         content = content.replace(keyTagMatchRegExp, '');
                         m3u8 = 'temp.m3u8';
-                        this.instance.FS('writeFile', m3u8, content);
+                        this.ffmpeg.writeFile(m3u8, content);
                         return [2 /*return*/, m3u8];
                 }
             });
@@ -1202,20 +1190,31 @@ var Hls2Mp4 = /** @class */ (function () {
     Hls2Mp4.prototype.loadFFmpeg = function () {
         var _a, _b;
         return __awaiter(this, void 0, void 0, function () {
-            var done;
-            var _this = this;
+            var baseUrl, coreURL, wasmURL, loaded;
             return __generator(this, function (_c) {
                 switch (_c.label) {
                     case 0:
                         (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.loadFFmeg, 0);
-                        return [4 /*yield*/, this.loopLoadFile(function () { return _this.instance.load(); })];
+                        baseUrl = 'https://unpkg.com/@ffmpeg/core@0.12.2/dist/umd';
+                        return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.js"), 'text/javascript')];
                     case 1:
-                        done = (_c.sent()).done;
-                        if (done) {
-                            (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, done ? 1 : -1);
+                        coreURL = _c.sent();
+                        return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.wasm"), 'application/wasm')
+                            // workerURL = workerURL ?? await toBlobURL(`${baseUrl}/ffmpeg-core.worker.js`, 'text/javascript')
+                        ];
+                    case 2:
+                        wasmURL = _c.sent();
+                        return [4 /*yield*/, this.ffmpeg.load({
+                                coreURL: coreURL,
+                                wasmURL: wasmURL
+                            })];
+                    case 3:
+                        loaded = _c.sent();
+                        if (loaded) {
+                            (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, 1);
                         }
                         else {
-                            throw new Error('FFmpeg load failed');
+                            return [2 /*return*/, this.loadFFmpeg()];
                         }
                         return [2 /*return*/];
                 }
@@ -1235,13 +1234,15 @@ var Hls2Mp4 = /** @class */ (function () {
                     case 2:
                         m3u8 = _c.sent();
                         (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.mergeTs, 0);
-                        return [4 /*yield*/, this.instance.run('-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug')];
+                        return [4 /*yield*/, this.ffmpeg.exec(['-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug'])];
                     case 3:
                         _c.sent();
-                        data = this.instance.FS('readFile', 'temp.mp4');
-                        this.instance.exit();
+                        return [4 /*yield*/, this.ffmpeg.readFile('temp.mp4')];
+                    case 4:
+                        data = _c.sent();
+                        this.ffmpeg.terminate();
                         (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.mergeTs, 1);
-                        return [2 /*return*/, data.buffer];
+                        return [2 /*return*/, data];
                 }
             });
         });
@@ -1254,7 +1255,7 @@ var Hls2Mp4 = /** @class */ (function () {
         anchor.click();
         setTimeout(function () { return URL.revokeObjectURL(objectUrl); }, 100);
     };
-    Hls2Mp4.version = '1.1.9';
+    Hls2Mp4.version = '1.2.0';
     Hls2Mp4.TaskType = TaskType;
     return Hls2Mp4;
 }());
diff --git a/dist/hls2mp4.js b/dist/hls2mp4.js
index 24f03a8..4c6af8a 100644
--- a/dist/hls2mp4.js
+++ b/dist/hls2mp4.js
@@ -1,4 +1,4 @@
-var Hls2Mp4 = (function (FFmpeg) {
+var Hls2Mp4 = (function (ffmpeg, util) {
     'use strict';
 
     /******************************************************************************
@@ -18,18 +18,6 @@ var Hls2Mp4 = (function (FFmpeg) {
     /* global Reflect, Promise */
 
 
-    function __rest(s, e) {
-        var t = {};
-        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
-            t[p] = s[p];
-        if (s != null && typeof Object.getOwnPropertySymbols === "function")
-            for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
-                if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
-                    t[p[i]] = s[p[i]];
-            }
-        return t;
-    }
-
     function __awaiter(thisArg, _arguments, P, generator) {
         function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
         return new (P || (P = Promise))(function (resolve, reject) {
@@ -883,7 +871,6 @@ var Hls2Mp4 = (function (FFmpeg) {
     var aesJsExports = aesJs.exports;
     var aesjs = /*@__PURE__*/getDefaultExportFromCjs(aesJsExports);
 
-    var createFFmpeg = FFmpeg.createFFmpeg, fetchFile = FFmpeg.fetchFile;
     var TaskType;
     (function (TaskType) {
         TaskType[TaskType["loadFFmeg"] = 0] = "loadFFmeg";
@@ -902,11 +889,11 @@ var Hls2Mp4 = (function (FFmpeg) {
     }
     var Hls2Mp4 = /** @class */ (function () {
         function Hls2Mp4(_a, onProgress) {
-            var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c, options = __rest(_a, ["maxRetry", "tsDownloadConcurrency"]);
+            var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c;
             this.loadRetryTime = 0;
             this.totalSegments = 0;
             this.savedSegments = 0;
-            this.instance = createFFmpeg(options);
+            this.ffmpeg = new ffmpeg.FFmpeg();
             this.maxRetry = maxRetry;
             this.onProgress = onProgress;
             this.tsDownloadConcurrency = tsDownloadConcurrency;
@@ -951,7 +938,7 @@ var Hls2Mp4 = (function (FFmpeg) {
                         case 1:
                             playList = _a.sent();
                             return [3 /*break*/, 4];
-                        case 2: return [4 /*yield*/, fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
+                        case 2: return [4 /*yield*/, util.fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
                         case 3:
                             playList = _a.sent();
                             _a.label = 4;
@@ -995,7 +982,7 @@ var Hls2Mp4 = (function (FFmpeg) {
                 var _b, done, data, fileName;
                 return __generator(this, function (_c) {
                     switch (_c.label) {
-                        case 0: return [4 /*yield*/, this.loopLoadFile(function () { return fetchFile(url); })];
+                        case 0: return [4 /*yield*/, this.loopLoadFile(function () { return util.fetchFile(url); })];
                         case 1:
                             _b = _c.sent(), done = _b.done, data = _b.data;
                             if (done) {
@@ -1022,7 +1009,7 @@ var Hls2Mp4 = (function (FFmpeg) {
                                         case 1:
                                             tsData = _c.sent();
                                             buffer = key ? this.aesDecrypt(tsData, key, iv) : this.transformBuffer(tsData);
-                                            this.instance.FS('writeFile', name, buffer);
+                                            this.ffmpeg.writeFile(name, buffer);
                                             this.savedSegments += 1;
                                             (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.downloadTs, this.savedSegments / this.totalSegments);
                                             return [2 /*return*/, {
@@ -1162,7 +1149,7 @@ var Hls2Mp4 = (function (FFmpeg) {
                         case 14:
                             content = content.replace(keyTagMatchRegExp, '');
                             m3u8 = 'temp.m3u8';
-                            this.instance.FS('writeFile', m3u8, content);
+                            this.ffmpeg.writeFile(m3u8, content);
                             return [2 /*return*/, m3u8];
                     }
                 });
@@ -1201,20 +1188,31 @@ var Hls2Mp4 = (function (FFmpeg) {
         Hls2Mp4.prototype.loadFFmpeg = function () {
             var _a, _b;
             return __awaiter(this, void 0, void 0, function () {
-                var done;
-                var _this = this;
+                var baseUrl, coreURL, wasmURL, loaded;
                 return __generator(this, function (_c) {
                     switch (_c.label) {
                         case 0:
                             (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.loadFFmeg, 0);
-                            return [4 /*yield*/, this.loopLoadFile(function () { return _this.instance.load(); })];
+                            baseUrl = 'https://unpkg.com/@ffmpeg/core@0.12.2/dist/umd';
+                            return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.js"), 'text/javascript')];
                         case 1:
-                            done = (_c.sent()).done;
-                            if (done) {
-                                (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, done ? 1 : -1);
+                            coreURL = _c.sent();
+                            return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.wasm"), 'application/wasm')
+                                // workerURL = workerURL ?? await toBlobURL(`${baseUrl}/ffmpeg-core.worker.js`, 'text/javascript')
+                            ];
+                        case 2:
+                            wasmURL = _c.sent();
+                            return [4 /*yield*/, this.ffmpeg.load({
+                                    coreURL: coreURL,
+                                    wasmURL: wasmURL
+                                })];
+                        case 3:
+                            loaded = _c.sent();
+                            if (loaded) {
+                                (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, 1);
                             }
                             else {
-                                throw new Error('FFmpeg load failed');
+                                return [2 /*return*/, this.loadFFmpeg()];
                             }
                             return [2 /*return*/];
                     }
@@ -1234,13 +1232,15 @@ var Hls2Mp4 = (function (FFmpeg) {
                         case 2:
                             m3u8 = _c.sent();
                             (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.mergeTs, 0);
-                            return [4 /*yield*/, this.instance.run('-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug')];
+                            return [4 /*yield*/, this.ffmpeg.exec(['-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug'])];
                         case 3:
                             _c.sent();
-                            data = this.instance.FS('readFile', 'temp.mp4');
-                            this.instance.exit();
+                            return [4 /*yield*/, this.ffmpeg.readFile('temp.mp4')];
+                        case 4:
+                            data = _c.sent();
+                            this.ffmpeg.terminate();
                             (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.mergeTs, 1);
-                            return [2 /*return*/, data.buffer];
+                            return [2 /*return*/, data];
                     }
                 });
             });
@@ -1253,11 +1253,11 @@ var Hls2Mp4 = (function (FFmpeg) {
             anchor.click();
             setTimeout(function () { return URL.revokeObjectURL(objectUrl); }, 100);
         };
-        Hls2Mp4.version = '1.1.9';
+        Hls2Mp4.version = '1.2.0';
         Hls2Mp4.TaskType = TaskType;
         return Hls2Mp4;
     }());
 
     return Hls2Mp4;
 
-})(FFmpeg);
+})(FFmpeg, util);
diff --git a/dist/hls2mp4.umd.js b/dist/hls2mp4.umd.js
index 3adf0b7..d40ad83 100644
--- a/dist/hls2mp4.umd.js
+++ b/dist/hls2mp4.umd.js
@@ -1,8 +1,8 @@
 (function (global, factory) {
-    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@ffmpeg/ffmpeg')) :
-    typeof define === 'function' && define.amd ? define(['@ffmpeg/ffmpeg'], factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Hls2Mp4 = factory(global.FFmpeg));
-})(this, (function (FFmpeg) { 'use strict';
+    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@ffmpeg/ffmpeg'), require('@ffmpeg/util')) :
+    typeof define === 'function' && define.amd ? define(['@ffmpeg/ffmpeg', '@ffmpeg/util'], factory) :
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Hls2Mp4 = factory(global.FFmpeg, global.util));
+})(this, (function (ffmpeg, util) { 'use strict';
 
     /******************************************************************************
     Copyright (c) Microsoft Corporation.
@@ -21,18 +21,6 @@
     /* global Reflect, Promise */
 
 
-    function __rest(s, e) {
-        var t = {};
-        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
-            t[p] = s[p];
-        if (s != null && typeof Object.getOwnPropertySymbols === "function")
-            for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
-                if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
-                    t[p[i]] = s[p[i]];
-            }
-        return t;
-    }
-
     function __awaiter(thisArg, _arguments, P, generator) {
         function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
         return new (P || (P = Promise))(function (resolve, reject) {
@@ -886,7 +874,6 @@
     var aesJsExports = aesJs.exports;
     var aesjs = /*@__PURE__*/getDefaultExportFromCjs(aesJsExports);
 
-    var createFFmpeg = FFmpeg.createFFmpeg, fetchFile = FFmpeg.fetchFile;
     var TaskType;
     (function (TaskType) {
         TaskType[TaskType["loadFFmeg"] = 0] = "loadFFmeg";
@@ -905,11 +892,11 @@
     }
     var Hls2Mp4 = /** @class */ (function () {
         function Hls2Mp4(_a, onProgress) {
-            var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c, options = __rest(_a, ["maxRetry", "tsDownloadConcurrency"]);
+            var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c;
             this.loadRetryTime = 0;
             this.totalSegments = 0;
             this.savedSegments = 0;
-            this.instance = createFFmpeg(options);
+            this.ffmpeg = new ffmpeg.FFmpeg();
             this.maxRetry = maxRetry;
             this.onProgress = onProgress;
             this.tsDownloadConcurrency = tsDownloadConcurrency;
@@ -954,7 +941,7 @@
                         case 1:
                             playList = _a.sent();
                             return [3 /*break*/, 4];
-                        case 2: return [4 /*yield*/, fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
+                        case 2: return [4 /*yield*/, util.fetchFile(url).then(function (data) { return aesjs.utils.utf8.fromBytes(data); })];
                         case 3:
                             playList = _a.sent();
                             _a.label = 4;
@@ -998,7 +985,7 @@
                 var _b, done, data, fileName;
                 return __generator(this, function (_c) {
                     switch (_c.label) {
-                        case 0: return [4 /*yield*/, this.loopLoadFile(function () { return fetchFile(url); })];
+                        case 0: return [4 /*yield*/, this.loopLoadFile(function () { return util.fetchFile(url); })];
                         case 1:
                             _b = _c.sent(), done = _b.done, data = _b.data;
                             if (done) {
@@ -1025,7 +1012,7 @@
                                         case 1:
                                             tsData = _c.sent();
                                             buffer = key ? this.aesDecrypt(tsData, key, iv) : this.transformBuffer(tsData);
-                                            this.instance.FS('writeFile', name, buffer);
+                                            this.ffmpeg.writeFile(name, buffer);
                                             this.savedSegments += 1;
                                             (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.downloadTs, this.savedSegments / this.totalSegments);
                                             return [2 /*return*/, {
@@ -1165,7 +1152,7 @@
                         case 14:
                             content = content.replace(keyTagMatchRegExp, '');
                             m3u8 = 'temp.m3u8';
-                            this.instance.FS('writeFile', m3u8, content);
+                            this.ffmpeg.writeFile(m3u8, content);
                             return [2 /*return*/, m3u8];
                     }
                 });
@@ -1204,20 +1191,31 @@
         Hls2Mp4.prototype.loadFFmpeg = function () {
             var _a, _b;
             return __awaiter(this, void 0, void 0, function () {
-                var done;
-                var _this = this;
+                var baseUrl, coreURL, wasmURL, loaded;
                 return __generator(this, function (_c) {
                     switch (_c.label) {
                         case 0:
                             (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.loadFFmeg, 0);
-                            return [4 /*yield*/, this.loopLoadFile(function () { return _this.instance.load(); })];
+                            baseUrl = 'https://unpkg.com/@ffmpeg/core@0.12.2/dist/umd';
+                            return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.js"), 'text/javascript')];
                         case 1:
-                            done = (_c.sent()).done;
-                            if (done) {
-                                (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, done ? 1 : -1);
+                            coreURL = _c.sent();
+                            return [4 /*yield*/, util.toBlobURL("".concat(baseUrl, "/ffmpeg-core.wasm"), 'application/wasm')
+                                // workerURL = workerURL ?? await toBlobURL(`${baseUrl}/ffmpeg-core.worker.js`, 'text/javascript')
+                            ];
+                        case 2:
+                            wasmURL = _c.sent();
+                            return [4 /*yield*/, this.ffmpeg.load({
+                                    coreURL: coreURL,
+                                    wasmURL: wasmURL
+                                })];
+                        case 3:
+                            loaded = _c.sent();
+                            if (loaded) {
+                                (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, 1);
                             }
                             else {
-                                throw new Error('FFmpeg load failed');
+                                return [2 /*return*/, this.loadFFmpeg()];
                             }
                             return [2 /*return*/];
                     }
@@ -1237,13 +1235,15 @@
                         case 2:
                             m3u8 = _c.sent();
                             (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.mergeTs, 0);
-                            return [4 /*yield*/, this.instance.run('-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug')];
+                            return [4 /*yield*/, this.ffmpeg.exec(['-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug'])];
                         case 3:
                             _c.sent();
-                            data = this.instance.FS('readFile', 'temp.mp4');
-                            this.instance.exit();
+                            return [4 /*yield*/, this.ffmpeg.readFile('temp.mp4')];
+                        case 4:
+                            data = _c.sent();
+                            this.ffmpeg.terminate();
                             (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.mergeTs, 1);
-                            return [2 /*return*/, data.buffer];
+                            return [2 /*return*/, data];
                     }
                 });
             });
@@ -1256,7 +1256,7 @@
             anchor.click();
             setTimeout(function () { return URL.revokeObjectURL(objectUrl); }, 100);
         };
-        Hls2Mp4.version = '1.1.9';
+        Hls2Mp4.version = '1.2.0';
         Hls2Mp4.TaskType = TaskType;
         return Hls2Mp4;
     }());
diff --git a/dist/index.d.ts b/dist/index.d.ts
index 8054633..edc8d62 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -1,4 +1,3 @@
-import { type CreateFFmpegOptions } from '@ffmpeg/ffmpeg';
 declare enum TaskType {
     loadFFmeg = 0,
     parseM3u8 = 1,
@@ -23,7 +22,7 @@ export interface M3u8Parsed {
     content: string;
 }
 declare class Hls2Mp4 {
-    private instance;
+    private ffmpeg;
     private maxRetry;
     private loadRetryTime;
     private onProgress?;
@@ -32,7 +31,7 @@ declare class Hls2Mp4 {
     private savedSegments;
     static version: string;
     static TaskType: typeof TaskType;
-    constructor({ maxRetry, tsDownloadConcurrency, ...options }: CreateFFmpegOptions & Hls2Mp4Options, onProgress?: ProgressCallback);
+    constructor({ maxRetry, tsDownloadConcurrency }: Hls2Mp4Options, onProgress?: ProgressCallback);
     private transformBuffer;
     private hexToUint8Array;
     private aesDecrypt;
@@ -43,7 +42,7 @@ declare class Hls2Mp4 {
     private downloadM3u8;
     private loopLoadFile;
     private loadFFmpeg;
-    download(url: string): Promise<ArrayBufferLike>;
-    saveToFile(buffer: ArrayBufferLike, filename: string): void;
+    download(url: string): Promise<import("@ffmpeg/ffmpeg/dist/esm/types").FileData>;
+    saveToFile(buffer: ArrayBuffer | string, filename: string): void;
 }
 export default Hls2Mp4;
diff --git a/dist/index.js b/dist/index.js
index cc3b3e9..ec321a5 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1,4 +1,5 @@
-import FFmpeg from '@ffmpeg/ffmpeg';
+import { FFmpeg } from '@ffmpeg/ffmpeg';
+import { fetchFile, toBlobURL } from '@ffmpeg/util';
 
 /******************************************************************************
 Copyright (c) Microsoft Corporation.
@@ -17,18 +18,6 @@ PERFORMANCE OF THIS SOFTWARE.
 /* global Reflect, Promise */
 
 
-function __rest(s, e) {
-    var t = {};
-    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
-        t[p] = s[p];
-    if (s != null && typeof Object.getOwnPropertySymbols === "function")
-        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
-            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
-                t[p[i]] = s[p[i]];
-        }
-    return t;
-}
-
 function __awaiter(thisArg, _arguments, P, generator) {
     function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
     return new (P || (P = Promise))(function (resolve, reject) {
@@ -882,7 +871,6 @@ var aesJs = {exports: {}};
 var aesJsExports = aesJs.exports;
 var aesjs = /*@__PURE__*/getDefaultExportFromCjs(aesJsExports);
 
-var createFFmpeg = FFmpeg.createFFmpeg, fetchFile = FFmpeg.fetchFile;
 var TaskType;
 (function (TaskType) {
     TaskType[TaskType["loadFFmeg"] = 0] = "loadFFmeg";
@@ -901,11 +889,11 @@ function parseUrl(url, path) {
 }
 var Hls2Mp4 = /** @class */ (function () {
     function Hls2Mp4(_a, onProgress) {
-        var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c, options = __rest(_a, ["maxRetry", "tsDownloadConcurrency"]);
+        var _b = _a.maxRetry, maxRetry = _b === void 0 ? 3 : _b, _c = _a.tsDownloadConcurrency, tsDownloadConcurrency = _c === void 0 ? 10 : _c;
         this.loadRetryTime = 0;
         this.totalSegments = 0;
         this.savedSegments = 0;
-        this.instance = createFFmpeg(options);
+        this.ffmpeg = new FFmpeg();
         this.maxRetry = maxRetry;
         this.onProgress = onProgress;
         this.tsDownloadConcurrency = tsDownloadConcurrency;
@@ -1021,7 +1009,7 @@ var Hls2Mp4 = /** @class */ (function () {
                                     case 1:
                                         tsData = _c.sent();
                                         buffer = key ? this.aesDecrypt(tsData, key, iv) : this.transformBuffer(tsData);
-                                        this.instance.FS('writeFile', name, buffer);
+                                        this.ffmpeg.writeFile(name, buffer);
                                         this.savedSegments += 1;
                                         (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.downloadTs, this.savedSegments / this.totalSegments);
                                         return [2 /*return*/, {
@@ -1161,7 +1149,7 @@ var Hls2Mp4 = /** @class */ (function () {
                     case 14:
                         content = content.replace(keyTagMatchRegExp, '');
                         m3u8 = 'temp.m3u8';
-                        this.instance.FS('writeFile', m3u8, content);
+                        this.ffmpeg.writeFile(m3u8, content);
                         return [2 /*return*/, m3u8];
                 }
             });
@@ -1200,20 +1188,31 @@ var Hls2Mp4 = /** @class */ (function () {
     Hls2Mp4.prototype.loadFFmpeg = function () {
         var _a, _b;
         return __awaiter(this, void 0, void 0, function () {
-            var done;
-            var _this = this;
+            var baseUrl, coreURL, wasmURL, loaded;
             return __generator(this, function (_c) {
                 switch (_c.label) {
                     case 0:
                         (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.loadFFmeg, 0);
-                        return [4 /*yield*/, this.loopLoadFile(function () { return _this.instance.load(); })];
+                        baseUrl = 'https://unpkg.com/@ffmpeg/core@0.12.2/dist/umd';
+                        return [4 /*yield*/, toBlobURL("".concat(baseUrl, "/ffmpeg-core.js"), 'text/javascript')];
                     case 1:
-                        done = (_c.sent()).done;
-                        if (done) {
-                            (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, done ? 1 : -1);
+                        coreURL = _c.sent();
+                        return [4 /*yield*/, toBlobURL("".concat(baseUrl, "/ffmpeg-core.wasm"), 'application/wasm')
+                            // workerURL = workerURL ?? await toBlobURL(`${baseUrl}/ffmpeg-core.worker.js`, 'text/javascript')
+                        ];
+                    case 2:
+                        wasmURL = _c.sent();
+                        return [4 /*yield*/, this.ffmpeg.load({
+                                coreURL: coreURL,
+                                wasmURL: wasmURL
+                            })];
+                    case 3:
+                        loaded = _c.sent();
+                        if (loaded) {
+                            (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.loadFFmeg, 1);
                         }
                         else {
-                            throw new Error('FFmpeg load failed');
+                            return [2 /*return*/, this.loadFFmpeg()];
                         }
                         return [2 /*return*/];
                 }
@@ -1233,13 +1232,15 @@ var Hls2Mp4 = /** @class */ (function () {
                     case 2:
                         m3u8 = _c.sent();
                         (_a = this.onProgress) === null || _a === void 0 ? void 0 : _a.call(this, TaskType.mergeTs, 0);
-                        return [4 /*yield*/, this.instance.run('-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug')];
+                        return [4 /*yield*/, this.ffmpeg.exec(['-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug'])];
                     case 3:
                         _c.sent();
-                        data = this.instance.FS('readFile', 'temp.mp4');
-                        this.instance.exit();
+                        return [4 /*yield*/, this.ffmpeg.readFile('temp.mp4')];
+                    case 4:
+                        data = _c.sent();
+                        this.ffmpeg.terminate();
                         (_b = this.onProgress) === null || _b === void 0 ? void 0 : _b.call(this, TaskType.mergeTs, 1);
-                        return [2 /*return*/, data.buffer];
+                        return [2 /*return*/, data];
                 }
             });
         });
@@ -1252,7 +1253,7 @@ var Hls2Mp4 = /** @class */ (function () {
         anchor.click();
         setTimeout(function () { return URL.revokeObjectURL(objectUrl); }, 100);
     };
-    Hls2Mp4.version = '1.1.9';
+    Hls2Mp4.version = '1.2.0';
     Hls2Mp4.TaskType = TaskType;
     return Hls2Mp4;
 }());
diff --git a/dist/package.json b/dist/package.json
index 14fe5fe..dea37ed 100644
--- a/dist/package.json
+++ b/dist/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hls2mp4",
-  "version": "1.1.9",
+  "version": "1.2.0",
   "description": "a tool for download hls/m3u8 to mp4",
   "main": "index.js",
   "types": "index.d.ts",
diff --git a/package.json b/package.json
index 9f09eb0..1c30448 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hls2mp4",
-  "version": "1.1.9",
+  "version": "1.2.0",
   "description": "a tool for download hls/m3u8 to mp4",
   "main": "index.js",
   "types": "index.d.ts",
@@ -19,10 +19,10 @@
     "aes-js": "^3.1.2"
   },
   "devDependencies": {
-    "@ffmpeg/core": "^0.11.0",
-    "@ffmpeg/ffmpeg": "^0.11.6",
-    "@rollup/plugin-node-resolve": "^15.0.2",
+    "@ffmpeg/ffmpeg": "^0.12.6",
+    "@ffmpeg/util": "^0.12.1",
     "@rollup/plugin-commonjs": "^25.0.0",
+    "@rollup/plugin-node-resolve": "^15.0.2",
     "@rollup/plugin-typescript": "^11.1.0",
     "@types/aes-js": "^3.1.1",
     "rollup": "^3.21.4",
@@ -43,4 +43,4 @@
       "last 1 safari version"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/rollup.config.mjs b/rollup.config.mjs
index 880f86e..6864666 100644
--- a/rollup.config.mjs
+++ b/rollup.config.mjs
@@ -40,7 +40,7 @@ export default {
         nodeResolve()
     ],
     external: [
-        '@ffmpeg/core',
-        '@ffmpeg/ffmpeg'
+        '@ffmpeg/ffmpeg',
+        '@ffmpeg/util'
     ]
 }
diff --git a/src/index.ts b/src/index.ts
index 21d7589..e734479 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,6 @@
-import FFmpeg, { type CreateFFmpegOptions, type FFmpeg as FFmpegInstance } from '@ffmpeg/ffmpeg';
-import aesjs, { type ByteSource } from 'aes-js';
-
-const { createFFmpeg, fetchFile } = FFmpeg;
+import { FFmpeg } from '@ffmpeg/ffmpeg'
+import { fetchFile, toBlobURL } from '@ffmpeg/util'
+import aesjs, { type ByteSource } from 'aes-js'
 
 enum TaskType {
     loadFFmeg = 0,
@@ -61,18 +60,18 @@ function parseUrl(url: string, path: string) {
 
 class Hls2Mp4 {
 
-    private instance: FFmpegInstance;
+    private ffmpeg: FFmpeg;
     private maxRetry: number;
     private loadRetryTime = 0;
     private onProgress?: ProgressCallback;
     private tsDownloadConcurrency: number;
     private totalSegments = 0;
     private savedSegments = 0;
-    public static version = '1.1.9';
+    public static version = '1.2.0';
     public static TaskType = TaskType;
 
-    constructor({ maxRetry = 3, tsDownloadConcurrency = 10, ...options }: CreateFFmpegOptions & Hls2Mp4Options, onProgress?: ProgressCallback) {
-        this.instance = createFFmpeg(options);
+    constructor({ maxRetry = 3, tsDownloadConcurrency = 10 }: Hls2Mp4Options, onProgress?: ProgressCallback) {
+        this.ffmpeg = new FFmpeg();
         this.maxRetry = maxRetry;
         this.onProgress = onProgress;
         this.tsDownloadConcurrency = tsDownloadConcurrency;
@@ -165,7 +164,7 @@ class Hls2Mp4 {
             segs.map(async ({ name, url, source }) => {
                 const tsData = await this.downloadFile(url)
                 const buffer = key ? this.aesDecrypt(tsData!, key, iv) : this.transformBuffer(tsData!)
-                this.instance.FS('writeFile', name, buffer)
+                this.ffmpeg.writeFile(name, buffer)
                 this.savedSegments += 1
                 this.onProgress?.(TaskType.downloadTs, this.savedSegments / this.totalSegments)
                 return {
@@ -257,7 +256,7 @@ class Hls2Mp4 {
         }
         content = content.replace(keyTagMatchRegExp, '')
         const m3u8 = 'temp.m3u8'
-        this.instance.FS('writeFile', m3u8, content)
+        this.ffmpeg.writeFile(m3u8, content)
         return m3u8
     }
 
@@ -282,16 +281,21 @@ class Hls2Mp4 {
         }
     }
 
-    private async loadFFmpeg() {
+    private async loadFFmpeg(): Promise<void> {
         this.onProgress?.(TaskType.loadFFmeg, 0)
-        const { done } = await this.loopLoadFile(
-            () => this.instance.load()
-        )
-        if (done) {
-            this.onProgress?.(TaskType.loadFFmeg, done ? 1 : -1);
+        const baseUrl = 'https://unpkg.com/@ffmpeg/core@0.12.2/dist/umd'
+        const coreURL = await toBlobURL(`${baseUrl}/ffmpeg-core.js`, 'text/javascript')
+        const wasmURL = await toBlobURL(`${baseUrl}/ffmpeg-core.wasm`, 'application/wasm')
+        // workerURL = workerURL ?? await toBlobURL(`${baseUrl}/ffmpeg-core.worker.js`, 'text/javascript')
+        const loaded = await this.ffmpeg.load({
+            coreURL,
+            wasmURL
+        })
+        if (loaded) {
+            this.onProgress?.(TaskType.loadFFmeg, 1)
         }
         else {
-            throw new Error('FFmpeg load failed')
+            return this.loadFFmpeg()
         }
     }
 
@@ -299,14 +303,14 @@ class Hls2Mp4 {
         await this.loadFFmpeg();
         const m3u8 = await this.downloadM3u8(url);
         this.onProgress?.(TaskType.mergeTs, 0);
-        await this.instance.run('-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug');
-        const data = this.instance.FS('readFile', 'temp.mp4');
-        this.instance.exit();
+        await this.ffmpeg.exec(['-i', m3u8, '-c', 'copy', 'temp.mp4', '-loglevel', 'debug']);
+        const data = await this.ffmpeg.readFile('temp.mp4');
+        this.ffmpeg.terminate();
         this.onProgress?.(TaskType.mergeTs, 1);
-        return data.buffer;
+        return data;
     }
 
-    public saveToFile(buffer: ArrayBufferLike, filename: string) {
+    public saveToFile(buffer: ArrayBuffer | string, filename: string) {
         const objectUrl = URL.createObjectURL(new Blob([buffer], { type: 'video/mp4' }));
         const anchor = document.createElement('a');
         anchor.href = objectUrl;
diff --git a/yarn.lock b/yarn.lock
index 15a8832..85cb53f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,20 +2,22 @@
 # yarn lockfile v1
 
 
-"@ffmpeg/core@^0.11.0":
-  version "0.11.0"
-  resolved "https://registry.yarnpkg.com/@ffmpeg/core/-/core-0.11.0.tgz#fc24fe5af587f83cd2575d0e45de455d8eed9ba9"
-  integrity sha512-9Tt/+2PMpkGPXUK8n6He9G8Y+qR6qmCPSCw9iEKZxHHOvJ9BE/r0Fccj+YgDZTlyu6rXxc9x6EqCaFBIt7qzjA==
-
-"@ffmpeg/ffmpeg@^0.11.6":
-  version "0.11.6"
-  resolved "https://registry.yarnpkg.com/@ffmpeg/ffmpeg/-/ffmpeg-0.11.6.tgz#9cbe42dfb5132fca74ae5570ebeee2341f8c6e51"
-  integrity sha512-uN8J8KDjADEavPhNva6tYO9Fj0lWs9z82swF3YXnTxWMBoFLGq3LZ6FLlIldRKEzhOBKnkVfA8UnFJuvGvNxcA==
+"@ffmpeg/ffmpeg@^0.12.6":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@ffmpeg/ffmpeg/-/ffmpeg-0.12.6.tgz#34dd5959b9446837240a32acb6979474e8935500"
+  integrity sha512-4CuXDaqrCga5qBwVtiDDR45y65OGPYZd7VzwGCGz3QLdrQH7xaLYEjU19XL4DTCL0WnTSH8752b8Atyb1SiiLw==
   dependencies:
-    is-url "^1.2.4"
-    node-fetch "^2.6.1"
-    regenerator-runtime "^0.13.7"
-    resolve-url "^0.2.1"
+    "@ffmpeg/types" "^0.12.0"
+
+"@ffmpeg/types@^0.12.0":
+  version "0.12.1"
+  resolved "https://registry.yarnpkg.com/@ffmpeg/types/-/types-0.12.1.tgz#659e4eb51f3e01e145a6fe99e5b8e12a373aa59a"
+  integrity sha512-n+v9yvxaBPi1Z/1wy2PvqMHvED3qV7LXBWnBmMBAAzybbs4KWp6wrhCTMxITORMHXpPZEEupsBH1iEoLuzYSUw==
+
+"@ffmpeg/util@^0.12.1":
+  version "0.12.1"
+  resolved "https://registry.yarnpkg.com/@ffmpeg/util/-/util-0.12.1.tgz#98afa20d7b4c0821eebdb205ddcfa5d07b0a4f53"
+  integrity sha512-10jjfAKWaDyb8+nAkijcsi9wgz/y26LOc1NKJradNMyCIl6usQcBbhkjX5qhALrSBcOy6TOeksunTYa+a03qNQ==
 
 "@jridgewell/sourcemap-codec@^1.4.13":
   version "1.4.15"
@@ -187,11 +189,6 @@ is-reference@1.2.1:
   dependencies:
     "@types/estree" "*"
 
-is-url@^1.2.4:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.4.tgz#04a4df46d28c4cff3d73d01ff06abeb318a1aa52"
-  integrity sha512-ITvGim8FhRiYe4IQ5uHSkj7pVaPDrCTkNd3yq3cV7iZAcJdHTUMPMEHcqSOy9xZ9qFenQCvi+2wjH9a1nXqHww==
-
 magic-string@^0.27.0:
   version "0.27.0"
   resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.27.0.tgz#e4a3413b4bab6d98d2becffd48b4a257effdbbf3"
@@ -206,13 +203,6 @@ minimatch@^5.0.1:
   dependencies:
     brace-expansion "^2.0.1"
 
-node-fetch@^2.6.1:
-  version "2.6.11"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.11.tgz#cde7fc71deef3131ef80a738919f999e6edfff25"
-  integrity sha512-4I6pdBY1EthSqDmJkiNk3JIT8cswwR9nfeW/cPdUagJYEQG7R95WRH74wpz7ma8Gh/9dI9FP+OU+0E4FvtA55w==
-  dependencies:
-    whatwg-url "^5.0.0"
-
 once@^1.3.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -230,16 +220,6 @@ picomatch@^2.3.1:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.3.1.tgz#3ba3833733646d9d3e4995946c1365a67fb07a42"
   integrity sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==
 
-regenerator-runtime@^0.13.7:
-  version "0.13.11"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz#f6dca3e7ceec20590d07ada785636a90cdca17f9"
-  integrity sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==
-
-resolve-url@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
-  integrity sha512-ZuF55hVUQaaczgOIwqWzkEcEidmlD/xl44x1UZnhOXcYuFN2S6+rcxpG+C1N3So0wvNI3DmJICUFfu2SxhBmvg==
-
 resolve@^1.22.1:
   version "1.22.2"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.22.2.tgz#0ed0943d4e301867955766c9f3e1ae6d01c6845f"
@@ -261,11 +241,6 @@ supports-preserve-symlinks-flag@^1.0.0:
   resolved "https://registry.yarnpkg.com/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz#6eda4bd344a3c94aea376d4cc31bc77311039e09"
   integrity sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==
 
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
-  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
-
 tslib@^2.0.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.0.tgz#42bfed86f5787aeb41d031866c8f402429e0fddf"
@@ -276,19 +251,6 @@ typescript@^4.7.4:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.9.5.tgz#095979f9bcc0d09da324d58d03ce8f8374cbe65a"
   integrity sha512-1FXk9E2Hm+QzZQ7z+McJiHL4NW1F2EzMu9Nq9i3zAaGqibafqYwCVU6WyWAuyQRRzOlxou8xZSyXLEN8oKj24g==
 
-webidl-conversions@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
-  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
-
-whatwg-url@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
-  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
-  dependencies:
-    tr46 "~0.0.3"
-    webidl-conversions "^3.0.0"
-
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"