From e323f07cccb8b16c90a96c673b365c3fa66d2429 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Mon, 26 Sep 2022 22:02:05 +0800
Subject: [PATCH] :bug: toolbar

---
 app/src/protyle/export/index.ts  | 2 +-
 app/src/protyle/toolbar/index.ts | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/app/src/protyle/export/index.ts b/app/src/protyle/export/index.ts
index f065b95ba..63495ed41 100644
--- a/app/src/protyle/export/index.ts
+++ b/app/src/protyle/export/index.ts
@@ -86,7 +86,7 @@ const renderPDF = (id: string) => {
             webSecurity: false,
         },
     });
-    window.siyuan.printWin.webContents.userAgent = 'SiYuan/' + app.getVersion() + ' https://b3log.org/siyuan Electron'
+    window.siyuan.printWin.webContents.userAgent = `SiYuan/${app.getVersion()} https://b3log.org/siyuan Electron`
 
     let pdfWidth = "";
     if (localData.pageSize === "A3") {
diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index 13c966e3f..ed11ccd36 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -127,10 +127,14 @@ export class Toolbar {
         });
         const types = this.getCurrentType();
         types.forEach(item => {
-            if (["search-mark", "a", "block-ref", "virtual-block-ref", "text", "file-annotation-ref", "inline-math", "inline-memo", ""].includes(item)) {
+            if (["search-mark", "a", "block-ref", "virtual-block-ref", "text", "file-annotation-ref", "inline-math",
+                "inline-memo", "", "backslash"].includes(item)) {
                 return;
             }
-            this.element.querySelector(`[data-type="${item}"]`).classList.add("protyle-toolbar__item--current");
+            const itemElement = this.element.querySelector(`[data-type="${item}"]`);
+            if (itemElement) {
+                itemElement.classList.add("protyle-toolbar__item--current");
+            }
         });
     }