diff --git a/dist/main.js b/dist/main.js
index 733034d..ec2b10f 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -5,7 +5,7 @@
 // @supportURL   https://github.com/Xmader/musescore-downloader/issues
 // @updateURL    https://msdl.librescore.org/install.user.js
 // @downloadURL  https://msdl.librescore.org/install.user.js
-// @version      0.15.13
+// @version      0.15.14
 // @description  download sheet music from musescore.com for free, no login or Musescore Pro required | 免登录、免 Musescore Pro，免费下载 musescore.com 上的曲谱
 // @author       Xmader
 // @match        https://musescore.com/*/*
@@ -26891,6 +26891,13 @@ Please pipe the document into a Node stream.\
                     const observer = new MutationObserver(() => {
                         // check if the buttons are still in document when dom updates 
                         if (!document.contains(el)) {
+                            try {
+                                this.getBtnParent();
+                            }
+                            catch (_a) {
+                                observer.disconnect();
+                                this.commit(BtnListMode.ExtWindow);
+                            }
                             // re-commit
                             // performance issue?
                             el = this._commit();
diff --git a/package-lock.json b/package-lock.json
index e35c2a4..f8da460 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "musescore-downloader",
-  "version": "0.15.13",
+  "version": "0.15.14",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index de34779..dccb4a9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "musescore-downloader",
-  "version": "0.15.13",
+  "version": "0.15.14",
   "description": "download sheet music from musescore.com for free, no login or Musescore Pro required | 免登录、免 Musescore Pro，免费下载 musescore.com 上的曲谱",
   "main": "dist/main.js",
   "repository": {