diff --git a/app/src/assets/scss/_typography.scss b/app/src/assets/scss/_typography.scss
index fb38c0715..c19656d8f 100644
--- a/app/src/assets/scss/_typography.scss
+++ b/app/src/assets/scss/_typography.scss
@@ -97,6 +97,11 @@
     }
   }
 
+  span[data-type~="inline-memo"] {
+    background-color: var(--b3-card-info-background);
+    border-bottom: 2px solid var(--b3-card-info-color);
+  }
+
   blockquote,
   .bq {
     padding: 4px;
diff --git a/app/src/block/popover.ts b/app/src/block/popover.ts
index 6a10e4d22..8f9338346 100644
--- a/app/src/block/popover.ts
+++ b/app/src/block/popover.ts
@@ -11,9 +11,10 @@ export const initBlockPopover = () => {
         const aElement = hasClosestByAttribute(event.target, "data-type", "a", true) ||
             hasClosestByAttribute(event.target, "data-type", "tab-header") ||
             hasClosestByClassName(event.target, "emojis__item") ||
-            hasClosestByClassName(event.target, "emojis__type");
+            hasClosestByClassName(event.target, "emojis__type") ||
+            hasClosestByAttribute(event.target, "data-type", "inline-memo");
         if (aElement) {
-            let tip = aElement.getAttribute("aria-label");
+            let tip = aElement.getAttribute("aria-label") || aElement.getAttribute("data-inline-memo-content");
             // 折叠块标文案替换
             if (hasClosestByAttribute(event.target, "data-type", "fold", true)) {
                 tip = window.siyuan.languages.fold;
diff --git a/app/src/constants.ts b/app/src/constants.ts
index c15fe5a37..996cc3429 100644
--- a/app/src/constants.ts
+++ b/app/src/constants.ts
@@ -171,6 +171,7 @@ export abstract class Constants {
                 sub: {default: "⌘J", custom: "⌘J"},
                 bold: {default: "⌘B", custom: "⌘B"},
                 "inline-math": {default: "⌘M", custom: "⌘M"},
+                memo: {default: "⌥⌘M", custom: "⌥⌘M"},
                 underline: {default: "⌘U", custom: "⌘U"},
                 italic: {default: "⌘I", custom: "⌘I"},
                 mark: {default: "⌘E", custom: "⌘E"},
@@ -397,7 +398,7 @@ export abstract class Constants {
         "lightfair", "magula", "mono-blue", "nnfx-light", "paraiso-light", "purebasic", "qtcreator-light", "routeros", "school-book",
         "stackoverflow-light", "tokyo-night-light", "vs", "xcode", "default"];
     public static readonly ZWSP: string = "\u200b";
-    public static readonly INLINE_TYPE: string[] = ["block-ref", "kbd", "text", "file-annotation-ref", "a", "strong", "em", "u", "s", "mark", "sup", "sub", "tag", "code", "inline-math"];
+    public static readonly INLINE_TYPE: string[] = ["block-ref", "kbd", "text", "file-annotation-ref", "a", "strong", "em", "u", "s", "mark", "sup", "sub", "tag", "code", "inline-math", "inline-memo"];
     public static readonly BLOCK_HINT_KEYS: string[] = ["((", "[[", "（（", "【【"];
     public static readonly BLOCK_HINT_CLOSE_KEYS: IObject = {"((": "))", "[[": "]]", "（（": "））", "【【": "】】"};
     public static readonly CODE_LANGUAGES: string[] = [
diff --git a/app/src/protyle/toolbar/InlineMath.ts b/app/src/protyle/toolbar/InlineMath.ts
index f219b9c1d..db257c9bd 100644
--- a/app/src/protyle/toolbar/InlineMath.ts
+++ b/app/src/protyle/toolbar/InlineMath.ts
@@ -3,7 +3,6 @@ import * as dayjs from "dayjs";
 import {updateTransaction} from "../wysiwyg/transaction";
 import {hasClosestBlock} from "../util/hasClosest";
 import {hasNextSibling, hasPreviousSibling} from "../wysiwyg/getBlock";
-import {focusByRange, focusByWbr} from "../util/selection";
 import {mathRender} from "../markdown/mathRender";
 
 export class InlineMath extends ToolbarItem {
@@ -49,24 +48,3 @@ export class InlineMath extends ToolbarItem {
         });
     }
 }
-
-export const removeLink = (linkElement: HTMLElement, range: Range) => {
-    const types = linkElement.getAttribute("data-type").split(" ");
-    if (types.length === 1) {
-        const linkParentElement = linkElement.parentElement;
-        linkElement.outerHTML = linkElement.innerHTML + "<wbr>";
-        focusByWbr(linkParentElement, range);
-    } else {
-        types.find((itemType, index) => {
-            if ("a" === itemType) {
-                types.splice(index, 1);
-                return true;
-            }
-        });
-        linkElement.setAttribute("data-type", types.join(" "));
-        linkElement.removeAttribute("data-href");
-        range.selectNodeContents(linkElement);
-        range.collapse(false);
-        focusByRange(range);
-    }
-};
diff --git a/app/src/protyle/toolbar/InlineMemo.ts b/app/src/protyle/toolbar/InlineMemo.ts
new file mode 100644
index 000000000..6b333e6ca
--- /dev/null
+++ b/app/src/protyle/toolbar/InlineMemo.ts
@@ -0,0 +1,52 @@
+import {ToolbarItem} from "./ToolbarItem";
+import * as dayjs from "dayjs";
+import {updateTransaction} from "../wysiwyg/transaction";
+import {hasClosestBlock, hasClosestByAttribute} from "../util/hasClosest";
+import {hasNextSibling, hasPreviousSibling} from "../wysiwyg/getBlock";
+
+export class InlineMemo extends ToolbarItem {
+    public element: HTMLElement;
+
+    constructor(protyle: IProtyle, menuItem: IMenuItem) {
+        super(protyle, menuItem);
+        this.element.addEventListener("click", async (event: MouseEvent & { changedTouches: MouseEvent[] }) => {
+            protyle.toolbar.element.classList.add("fn__none");
+            event.stopPropagation();
+
+            const range = protyle.toolbar.range;
+            const nodeElement = hasClosestBlock(range.startContainer);
+            if (!nodeElement) {
+                return;
+            }
+            const memoElement = hasClosestByAttribute(range.startContainer, "data-type", "inline-memo");
+            if (memoElement) {
+                protyle.toolbar.showRender(protyle, memoElement);
+                return;
+            }
+
+            if (range.toString() === "") {
+                return;
+            }
+
+            if (!["DIV", "TD", "TH"].includes(range.startContainer.parentElement.tagName) && range.startOffset === 0 && !hasPreviousSibling(range.startContainer)) {
+                range.setStartBefore(range.startContainer.parentElement);
+            }
+            if (!["DIV", "TD", "TH"].includes(range.endContainer.parentElement.tagName) && range.endOffset === range.endContainer.textContent.length && !hasNextSibling(range.endContainer)) {
+                range.setEndAfter(range.endContainer.parentElement);
+            }
+            const wbrElement = document.createElement("wbr");
+            range.insertNode(wbrElement);
+            const html = nodeElement.outerHTML;
+
+            const newElement = document.createElement("span");
+            newElement.innerHTML = range.toString();
+            newElement.setAttribute("data-type", "inline-memo");
+            range.extractContents();
+            range.insertNode(newElement);
+            protyle.toolbar.showRender(protyle, newElement);
+            nodeElement.setAttribute("updated", dayjs().format("YYYYMMDDHHmmss"));
+            updateTransaction(protyle, nodeElement.getAttribute("data-node-id"), nodeElement.outerHTML, html);
+            wbrElement.remove();
+        });
+    }
+}
diff --git a/app/src/protyle/toolbar/ToolbarItem.ts b/app/src/protyle/toolbar/ToolbarItem.ts
index 9cd4963ee..f5847ba46 100644
--- a/app/src/protyle/toolbar/ToolbarItem.ts
+++ b/app/src/protyle/toolbar/ToolbarItem.ts
@@ -12,7 +12,7 @@ export class ToolbarItem {
         this.element.setAttribute("data-type", menuItem.name);
         this.element.setAttribute("aria-label", tip + hotkey);
         this.element.innerHTML = `<svg><use xlink:href="#${menuItem.icon}"></use></svg>`;
-        if (["text", "a", "block-ref", "inline-math"].includes(menuItem.name)) {
+        if (["text", "a", "block-ref", "inline-math", "inline-memo"].includes(menuItem.name)) {
             return;
         }
         this.element.addEventListener(getEventName(), (event) => {
diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index afa36e265..95d4d245c 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -40,6 +40,7 @@ import {electronUndo} from "../undo";
 import {previewTemplate} from "./util";
 import {showMessage} from "../../dialog/message";
 import {InlineMath} from "./InlineMath";
+import {InlineMemo} from "./InlineMemo";
 
 export class Toolbar {
     public element: HTMLElement;
@@ -122,7 +123,7 @@ export class Toolbar {
         });
         const types = this.getCurrentType();
         types.forEach(item => {
-            if (["a", "block-ref", "text", "file-annotation-ref", "inline-math", ""].includes(item)) {
+            if (["a", "block-ref", "text", "file-annotation-ref", "inline-math", "inline-memo", ""].includes(item)) {
                 return;
             }
             this.element.querySelector(`[data-type="${item}"]`).classList.add("protyle-toolbar__item--current");
@@ -191,6 +192,9 @@ export class Toolbar {
             case "inline-math":
                 menuItemObj = new InlineMath(protyle, menuItem);
                 break;
+            case "inline-memo":
+                menuItemObj = new InlineMemo(protyle, menuItem);
+                break;
             case "|":
                 menuItemObj = new Divider();
                 break;
@@ -636,6 +640,8 @@ export class Toolbar {
         }
         if (type === "NodeBlockQueryEmbed") {
             title = window.siyuan.languages.blockEmbed;
+        } else if (type === "inline-memo") {
+            title = window.siyuan.languages.memo;
         }
         const isPin = this.subElement.querySelector('[data-type="pin"]')?.classList.contains("block__icon--active");
         const pinData: IObject = {};
@@ -660,7 +666,7 @@ export class Toolbar {
     <span class="fn__space"></span>
     <button data-type="after" class="block__icon b3-tooltips b3-tooltips__nw" aria-label="${window.siyuan.languages["insert-after"]}"><svg><use xlink:href="#iconAfter"></use></svg></button>
     <span class="fn__space"></span>
-    <button data-type="copy" class="block__icon b3-tooltips b3-tooltips__nw${isBrowser() ? " fn__none" : ""}" aria-label="${window.siyuan.languages.copy} PNG"><svg><use xlink:href="#iconCopy"></use></svg></button>
+    <button data-type="copy" class="block__icon b3-tooltips b3-tooltips__nw${(isBrowser() || type === "inline-memo") ? " fn__none" : ""}" aria-label="${window.siyuan.languages.copy} PNG"><svg><use xlink:href="#iconCopy"></use></svg></button>
     <span class="fn__space"></span>
     <button data-type="pin" class="block__icon b3-tooltips b3-tooltips__nw${isPin ? " block__icon--active" : ""}" aria-label="${window.siyuan.languages.pin}"><svg><use xlink:href="#iconPin"></use></svg></button>
     <span class="fn__space"></span>
@@ -680,7 +686,7 @@ export class Toolbar {
                 return;
             }
             if (this.subElement.clientHeight <= window.innerHeight - nodeRect.bottom || this.subElement.clientHeight <= nodeRect.top) {
-                if (type === "inline-math") {
+                if (type === "inline-math" || type === "inline-memo") {
                     setPosition(this.subElement, nodeRect.left, nodeRect.bottom, nodeRect.height);
                 } else {
                     setPosition(this.subElement, nodeRect.left + (nodeRect.width - this.subElement.clientWidth) / 2, nodeRect.bottom, nodeRect.height);
@@ -786,6 +792,8 @@ export class Toolbar {
         const textElement = this.subElement.querySelector(".b3-text-field") as HTMLTextAreaElement;
         if (type === "NodeHTMLBlock") {
             textElement.value = Lute.UnEscapeHTMLStr(renderElement.querySelector("protyle-html").getAttribute("data-content") || "");
+        } else if (type === "inline-memo") {
+            textElement.value = Lute.UnEscapeHTMLStr(renderElement.getAttribute("data-inline-memo-content") || "");
         } else {
             const switchElement = this.subElement.querySelector(".b3-switch") as HTMLInputElement;
             if (nodeElement.getAttribute("custom-heading-mode") === "1") {
@@ -817,6 +825,8 @@ export class Toolbar {
             const target = event.target as HTMLTextAreaElement;
             if (type === "NodeHTMLBlock") {
                 renderElement.querySelector("protyle-html").setAttribute("data-content", Lute.EscapeHTMLStr(target.value));
+            } else if (type === "inline-memo") {
+                renderElement.setAttribute("data-inline-memo-content", Lute.EscapeHTMLStr(target.value));
             } else {
                 renderElement.setAttribute("data-content", Lute.EscapeHTMLStr(target.value));
                 renderElement.removeAttribute("data-render");
@@ -835,6 +845,8 @@ export class Toolbar {
             if (!this.subElement.querySelector('[data-type="refresh"]').classList.contains("block__icon--active")) {
                 if (type === "NodeHTMLBlock") {
                     renderElement.querySelector("protyle-html").setAttribute("data-content", Lute.EscapeHTMLStr(target.value));
+                } else if (type === "inline-memo") {
+                    renderElement.setAttribute("data-inline-memo-content", Lute.EscapeHTMLStr(target.value));
                 } else {
                     renderElement.setAttribute("data-content", Lute.EscapeHTMLStr(target.value));
                     renderElement.removeAttribute("data-render");
diff --git a/app/src/protyle/util/Options.ts b/app/src/protyle/util/Options.ts
index bdf7438de..15e1ff0e2 100644
--- a/app/src/protyle/util/Options.ts
+++ b/app/src/protyle/util/Options.ts
@@ -91,6 +91,7 @@ export class Options {
             "code",
             "inline-math",
             "|",
+            "inline-memo",
             "text",
         ] : [
             "block-ref",
@@ -110,6 +111,7 @@ export class Options {
             "code",
             "inline-math",
             "|",
+            "inline-memo",
             "text",
         ],
         typewriterMode: false,
@@ -222,6 +224,12 @@ export class Options {
             hotkey: window.siyuan.config.keymap.editor.insert["inline-math"].custom,
             icon: "iconMath",
             tipPosition: "n",
+        }, {
+            name: "inline-memo",
+            lang: "memo",
+            hotkey: window.siyuan.config.keymap.editor.insert.memo.custom,
+            icon: "iconM",
+            tipPosition: "n",
         }, {
             name: "text",
             lang: "font",
diff --git a/app/src/protyle/wysiwyg/index.ts b/app/src/protyle/wysiwyg/index.ts
index 428cce0ac..eb8822b31 100644
--- a/app/src/protyle/wysiwyg/index.ts
+++ b/app/src/protyle/wysiwyg/index.ts
@@ -116,7 +116,7 @@ export class WYSIWYG {
         if (// 表格行内公式之前无法插入文字 https://github.com/siyuan-note/siyuan/issues/3908
             inlineElement.tagName==="SPAN" &&
             range.toString() === "" && range.startContainer.nodeType === 3 &&
-            (currentTypes.includes("text") || currentTypes.includes("block-ref")|| currentTypes.includes("file-annotation-ref")|| currentTypes.includes("a")) &&
+            (currentTypes.includes("inline-memo") || currentTypes.includes("text") || currentTypes.includes("block-ref")|| currentTypes.includes("file-annotation-ref")|| currentTypes.includes("a")) &&
             !hasNextSibling(range.startContainer) && range.startContainer.textContent.length === range.startOffset &&
             inlineElement.textContent.replace(Constants.ZWSP, "").length >= inputData.length  // 为空的时候需要等于
         ) {
@@ -1090,6 +1090,10 @@ export class WYSIWYG {
                 protyle.toolbar.showFileAnnotationRef(protyle, target);
                 return false;
             }
+            if (types.includes("inline-memo")) {
+                protyle.toolbar.showRender(protyle, target);
+                return false;
+            }
             if (types.includes("a")) {
                 linkMenu(protyle, target);
                 if (target.getAttribute("data-href")?.startsWith("siyuan://blocks")) {
diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index 303ef16d5..d812e0310 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -514,6 +514,9 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                 if (types.includes("block-ref")) {
                     refMenu(protyle, inlineElement);
                     return;
+                } else if (types.includes("inline-memo")) {
+                    protyle.toolbar.showRender(protyle, inlineElement);
+                    return;
                 } else if (types.includes("file-annotation-ref")) {
                     protyle.toolbar.showFileAnnotationRef(protyle, inlineElement);
                     return;
@@ -1180,7 +1183,7 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                 }
                 if (matchHotKey(menuItem.hotkey, event)) {
                     protyle.toolbar.range = getEditorRange(protyle.wysiwyg.element);
-                    if (["text", "a", "block-ref", "inline-math"].includes(menuItem.name)) {
+                    if (["text", "a", "block-ref", "inline-math", "inline-memo"].includes(menuItem.name)) {
                         protyle.toolbar.element.querySelector(`[data-type="${menuItem.name}"]`).dispatchEvent(new CustomEvent("block-ref" === menuItem.name ? getEventName() : "click"));
                     } else {
                         protyle.toolbar.setInlineMark(protyle, menuItem.name, "range");