From ccb95c7132f1815237fcc1c3806eef4bdd151cfe Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Wed, 22 Nov 2023 16:18:32 +0800
Subject: [PATCH] :bug: fix https://github.com/siyuan-note/siyuan/issues/9717

---
 app/src/dialog/processSystem.ts      |  4 +++-
 app/src/mobile/util/initFramework.ts |  2 +-
 app/src/protyle/ui/hideElements.ts   | 10 ++++++----
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/app/src/dialog/processSystem.ts b/app/src/dialog/processSystem.ts
index fc1f115ad..58ed0f1f1 100644
--- a/app/src/dialog/processSystem.ts
+++ b/app/src/dialog/processSystem.ts
@@ -170,7 +170,9 @@ export const kernelError = () => {
 export const exitSiYuan = () => {
     hideAllElements(["util"]);
     /// #if MOBILE
-    saveScroll(window.siyuan.mobile.editor.protyle);
+    if (window.siyuan.mobile.editor) {
+        saveScroll(window.siyuan.mobile.editor.protyle);
+    }
     /// #endif
     fetchPost("/api/system/exit", {force: false}, (response) => {
         if (response.code === 1) { // 同步执行失败
diff --git a/app/src/mobile/util/initFramework.ts b/app/src/mobile/util/initFramework.ts
index 7fc5ad539..05320a4f6 100644
--- a/app/src/mobile/util/initFramework.ts
+++ b/app/src/mobile/util/initFramework.ts
@@ -20,7 +20,7 @@ import {syncGuide} from "../../sync/syncGuide";
 import {Inbox} from "../../layout/dock/Inbox";
 import {App} from "../../index";
 
-export const initFramework = (app: App, isStart:boolean) => {
+export const initFramework = (app: App, isStart: boolean) => {
     setInlineStyle();
     renderSnippet();
     initKeyboardToolbar();
diff --git a/app/src/protyle/ui/hideElements.ts b/app/src/protyle/ui/hideElements.ts
index e666a002d..89edcec6e 100644
--- a/app/src/protyle/ui/hideElements.ts
+++ b/app/src/protyle/ui/hideElements.ts
@@ -61,10 +61,12 @@ export const hideAllElements = (types: string[]) => {
     if (types.includes("util")) {
         /// #if MOBILE
         const editor = getCurrentEditor();
-        editor.protyle.toolbar.subElement.classList.add("fn__none");
-        if (editor.protyle.toolbar.subElementCloseCB) {
-            editor.protyle.toolbar.subElementCloseCB();
-            editor.protyle.toolbar.subElementCloseCB = undefined;
+        if (editor) {
+            editor.protyle.toolbar.subElement.classList.add("fn__none");
+            if (editor.protyle.toolbar.subElementCloseCB) {
+                editor.protyle.toolbar.subElementCloseCB();
+                editor.protyle.toolbar.subElementCloseCB = undefined;
+            }
         }
         /// #else
         getAllEditor().forEach(item => {