diff --git a/app/src/menus/protyle.ts b/app/src/menus/protyle.ts
index b45d635d4..d097b4fef 100644
--- a/app/src/menus/protyle.ts
+++ b/app/src/menus/protyle.ts
@@ -27,10 +27,6 @@ import {pasteAsPlainText, pasteText} from "../protyle/util/paste";
 /// #if !MOBILE
 import {openFileById, updateBacklinkGraph} from "../editor/util";
 /// #endif
-/// #if !BROWSER
-import {getCurrentWindow} from "@electron/remote";
-import {clipboard} from "electron";
-/// #endif
 import {isMobile} from "../util/functions";
 import {removeFoldHeading} from "../protyle/util/heading";
 import {lineNumberRender} from "../protyle/markdown/highlightRender";
@@ -344,7 +340,7 @@ export const contentMenu = (protyle: IProtyle, nodeElement: Element) => {
         accelerator: window.siyuan.config.keymap.editor.general.pasteAsPlainText.custom,
         click() {
             focusByRange(getEditorRange(nodeElement));
-            pasteAsPlainText(protyle)
+            pasteAsPlainText(protyle);
         }
     }).element);
     /// #endif
diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index de947ccac..d1fb17504 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -427,23 +427,23 @@ export class Toolbar {
                         if (type === "sub" && types.includes("sup")) {
                             types.find((item, index) => {
                                 if (item === "sup") {
-                                    types.splice(index, 1)
+                                    types.splice(index, 1);
                                     if (!this.element.classList.contains("fn__none")) {
-                                        this.element.querySelector(`[data-type="sup"]`).classList.remove("protyle-toolbar__item--current");
+                                        this.element.querySelector("[data-type=\"sup\"]").classList.remove("protyle-toolbar__item--current");
                                     }
                                     return true;
                                 }
-                            })
+                            });
                         } else if (type === "sup" && types.includes("sub")) {
                             types.find((item, index) => {
                                 if (item === "sub") {
                                     types.splice(index, 1);
                                     if (!this.element.classList.contains("fn__none")) {
-                                        this.element.querySelector(`[data-type="sub"]`).classList.remove("protyle-toolbar__item--current");
+                                        this.element.querySelector("[data-type=\"sub\"]").classList.remove("protyle-toolbar__item--current");
                                     }
                                     return true;
                                 }
-                            })
+                            });
                         }
                         types = [...new Set(types)];
                         if (index === 0 && previousElement && previousElement.nodeType !== 3 &&
@@ -635,7 +635,7 @@ export class Toolbar {
         let html = protyle.lute.SpinBlockDOM(nodeElement.outerHTML);
         let title = "HTML";
         let placeholder = "";
-        const isInlineMemo = type && type.split(" ").includes("inline-memo")
+        const isInlineMemo = type && type.split(" ").includes("inline-memo");
         switch (renderElement.getAttribute("data-subtype")) {
             case "abc":
                 title = window.siyuan.languages.staff;
@@ -888,11 +888,11 @@ export class Toolbar {
                 if (!target.value) {
                     // https://github.com/siyuan-note/insider/issues/1046
                     if (type.replace("inline-memo", "") === "") {
-                        renderElement.outerHTML = renderElement.innerHTML + "<wbr>"
+                        renderElement.outerHTML = renderElement.innerHTML + "<wbr>";
                         focusByWbr(nodeElement, this.range);
                     } else {
-                        renderElement.setAttribute("data-type", type.replace("inline-memo", ""))
-                        renderElement.removeAttribute("data-inline-memo-content")
+                        renderElement.setAttribute("data-type", type.replace("inline-memo", ""));
+                        renderElement.removeAttribute("data-inline-memo-content");
                     }
                 } else {
                     renderElement.setAttribute("data-inline-memo-content", Lute.EscapeHTMLStr(target.value));
@@ -935,10 +935,12 @@ export class Toolbar {
                 this.subElement.classList.add("fn__none");
                 this.subElement.querySelector('[data-type="pin"]').classList.remove("block__icon--active");
                 if (renderElement.tagName === "SPAN") {
-                    const range = getEditorRange(renderElement);
-                    range.setStartAfter(renderElement);
-                    range.collapse(true);
-                    focusByRange(range);
+                    if (type === "inline-memo" && !textElement.value) {
+                        renderElement.outerHTML = renderElement.innerHTML + "<wbr>";
+                        focusByWbr(nodeElement, this.range);
+                    } else {
+                        focusByRange(this.range);
+                    }
                 } else {
                     focusSideBlock(renderElement);
                 }
diff --git a/app/src/protyle/util/paste.ts b/app/src/protyle/util/paste.ts
index 97ed5220d..4fd7fcd33 100644
--- a/app/src/protyle/util/paste.ts
+++ b/app/src/protyle/util/paste.ts
@@ -57,7 +57,7 @@ export const pasteAsPlainText = async (protyle:IProtyle) => {
         insertHTML(protyle.lute.BlockDOM2Content(protyle.lute.InlineMd2BlockDOM(clipboard.readText())), protyle, false, false);
     }
     /// #endif
-}
+};
 
 export const pasteText = (protyle: IProtyle, textPlain: string, nodeElement: Element) => {
     const range = getEditorRange(protyle.wysiwyg.element);
diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index dd69a1d5a..4626fbb69 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -58,7 +58,6 @@ import {BlockPanel} from "../../block/Panel";
 import * as dayjs from "dayjs";
 import {highlightRender} from "../markdown/highlightRender";
 import {countBlockWord} from "../../layout/status";
-import {insertHTML} from "../util/insertHTML";
 import {openMobileFileById} from "../../mobile/editor";
 import {pasteAsPlainText} from "../util/paste";
 
@@ -296,7 +295,7 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                 if (start !== 0) {
                     const editElement = getContenteditableElement(nodeElement);
                     if (editElement.tagName === "TABLE") {
-                        const cellElement = hasClosestByMatchTag(range.startContainer, "TH") || hasClosestByMatchTag(range.startContainer, "TD") || editElement.querySelector("th, td")
+                        const cellElement = hasClosestByMatchTag(range.startContainer, "TH") || hasClosestByMatchTag(range.startContainer, "TD") || editElement.querySelector("th, td");
                         if (getSelectionOffset(cellElement, cellElement, range).start !== 0) {
                             setFirstNodeRange(cellElement, range);
                             event.stopPropagation();