diff --git a/app/src/editor/getIcon.ts b/app/src/editor/getIcon.ts
index 96e8c3c7f..5f67d64ea 100644
--- a/app/src/editor/getIcon.ts
+++ b/app/src/editor/getIcon.ts
@@ -66,54 +66,3 @@ export const getIconByType = (type: string, sub?: string) => {
     }
     return iconName;
 };
-
-export const getIconByElement = (blockElement: HTMLElement) => {
-    let iconName = "iconParagraph";
-    let iconTitle = window.siyuan.languages.paragraph;
-    if (blockElement.tagName.indexOf("H") > -1) {
-        iconName = "icon" + blockElement.tagName;
-        iconTitle = window.siyuan.languages.headings;
-    } else if (blockElement.tagName === "BLOCKQUOTE") {
-        iconName = "iconQuote";
-        iconTitle = window.siyuan.languages.quote;
-    } else if (blockElement.tagName === "TABLE") {
-        iconName = "iconTable";
-        iconTitle = window.siyuan.languages.table;
-    } else if (blockElement.tagName === "UL" || blockElement.tagName === "OL") {
-        if (blockElement.firstElementChild.classList.contains("protyle-task")) {
-            iconName = "iconCheck";
-            iconTitle = window.siyuan.languages.check;
-        } else if (blockElement.tagName === "UL") {
-            iconName = "iconList";
-            iconTitle = window.siyuan.languages.list;
-        } else if (blockElement.tagName === "OL") {
-            iconName = "iconOrderedList";
-            iconTitle = window.siyuan.languages["ordered-list"];
-        }
-    } else if (blockElement.tagName === "LI") {
-        iconName = "iconMenu";
-        iconTitle = window.siyuan.languages.listItem;
-    } else {
-        switch (blockElement.getAttribute("data-type")) {
-            case "math-block":
-                iconName = "iconMath";
-                iconTitle = window.siyuan.languages.math;
-                break;
-            case "block-query-embed":
-                iconName = "iconSQL";
-                iconTitle = window.siyuan.languages.blockEmbed;
-                break;
-            case "super-block":
-                iconName = "iconSuper";
-                iconTitle = window.siyuan.languages.superBlock;
-                break;
-            case "html-block":
-            case "code-block":
-            case "yaml-front-matter":
-                iconName = "iconCode";
-                iconTitle = window.siyuan.languages.code;
-                break;
-        }
-    }
-    return {iconName, iconTitle};
-};
diff --git a/app/src/protyle/util/hotKey.ts b/app/src/protyle/util/hotKey.ts
index 8e006ad17..9408cd7f0 100644
--- a/app/src/protyle/util/hotKey.ts
+++ b/app/src/protyle/util/hotKey.ts
@@ -56,7 +56,7 @@ export const matchHotKey = (hotKey: string, event: KeyboardEvent) => {
         const keyCode = hotKeys.length === 3 ? hotKeys[2] : hotKeys[1];
         if ((hotKeys.length === 3 ? isCtrl(event) : !isCtrl(event)) && event.altKey && !event.shiftKey &&
             (
-                (/^[0-9]$/.test(keyCode) ? (event.code === "Digit" + keyCode || event.code === "Numpad" + keyCode)  : event.code === "Key" + keyCode) ||
+                (/^[0-9]$/.test(keyCode) ? (event.code === "Digit" + keyCode || event.code === "Numpad" + keyCode) : event.code === "Key" + keyCode) ||
                 event.code === keyCode ||
                 (event.code === "Period" && keyCode === ".") ||
                 (event.code === "BracketLeft" && keyCode === "[") || (event.code === "BracketRight" && keyCode === "]")
@@ -69,7 +69,8 @@ export const matchHotKey = (hotKey: string, event: KeyboardEvent) => {
     // 是否匹配 ⇧⌘[] / ⌘[]
     const hasShift = hotKeys.length > 2 && (hotKeys[0] === "⇧");
     let key = (hasShift ? hotKeys[2] : hotKeys[1]);
-    if (hasShift && !/Mac/.test(navigator.platform)) {
+    if (hasShift // 更新 electron 后不需要判断 mac && !/Mac/.test(navigator.platform)
+    ) {
         if (key === "-") {
             key = "_";
         } else if (key === "=") {
diff --git a/app/src/protyle/util/paste.ts b/app/src/protyle/util/paste.ts
index 64103e269..8e6a71158 100644
--- a/app/src/protyle/util/paste.ts
+++ b/app/src/protyle/util/paste.ts
@@ -208,7 +208,8 @@ export const paste = async (protyle: IProtyle, event: (ClipboardEvent | DragEven
             const tempElement = document.createElement("div");
             if (textHTML.startsWith(Constants.ZWSP)) {
                 // 剪切块内容后粘贴
-                tempElement.innerHTML = textHTML.substr(1);
+                // mac 复制后会带有 <meta charset="utf-8"> https://github.com/siyuan-note/siyuan/issues/5751
+                tempElement.innerHTML = textHTML.substr(1).replace('<meta charset="utf-8">', "");
                 let isBlock = false;
                 tempElement.querySelectorAll("[data-node-id]").forEach((e) => {
                     e.classList.remove("protyle-wysiwyg--select", "protyle-wysiwyg--hl");
@@ -224,7 +225,7 @@ export const paste = async (protyle: IProtyle, event: (ClipboardEvent | DragEven
                 filterClipboardHint(protyle, tempMd);
             } else if (textHTML.endsWith(Constants.ZWSP)) {
                 // 编辑器内部粘贴
-                tempElement.innerHTML = textHTML.substr(0, textHTML.length - 1);
+                tempElement.innerHTML = textHTML.substr(0, textHTML.length - 1).replace('<meta charset="utf-8">', "");
                 tempElement.querySelectorAll("[data-node-id]").forEach((e) => {
                     const newId = Lute.NewNodeID();
                     e.setAttribute("data-node-id", newId);