diff --git a/src/modules/convert/api.ts b/src/modules/convert/api.ts
index 698f200..dc698ab 100644
--- a/src/modules/convert/api.ts
+++ b/src/modules/convert/api.ts
@@ -907,13 +907,14 @@ async function processN2MRehypeImageNodes(
     try {
       // Don't overwrite
       if (skipSavingImages || (await fileExists(newAbsPath))) {
-        newFile = newAbsPath.replace(/\\/g, "/");
+        newFile = newAbsPath;
       } else {
         newFile = (await Zotero.File.copyToUnique(oldFile, newAbsPath)).path;
-        newFile = newFile.replace(/\\/g, "/");
       }
-      newFile = Zotero.File.normalizeToUnix(
-        absolutePath ? newFile : `attachments/${newFile.split(/\//).pop()}`,
+      newFile = formatPath(
+        absolutePath
+          ? newFile
+          : `attachments/${PathUtils.split(newFile).pop()}`,
       );
     } catch (e) {
       ztoolkit.log(e);
@@ -1093,9 +1094,7 @@ async function processM2NRehypeImageNodes(
   for (const node of nodes) {
     if (isImport) {
       // We encode the src in md2remark and decode it here.
-      let src = Zotero.File.normalizeToUnix(
-        decodeURIComponent(node.properties.src),
-      );
+      let src = formatPath(decodeURIComponent(node.properties.src));
       const srcType = (src as string).startsWith("data:")
         ? "b64"
         : (src as string).startsWith("http")
diff --git a/src/modules/createNote.ts b/src/modules/createNote.ts
index c2cb73a..7f02dba 100644
--- a/src/modules/createNote.ts
+++ b/src/modules/createNote.ts
@@ -1,5 +1,6 @@
 import { getString } from "../utils/locale";
 import { config } from "../../package.json";
+import { formatPath } from "../utils/str";
 
 export { createWorkspaceNote, createNoteFromTemplate, createNoteFromMD };
 
@@ -104,10 +105,10 @@ async function createNoteFromMD() {
       ignoreVersion: true,
     });
     if (noteItem && syncNotes) {
-      const pathSplit = Zotero.File.normalizeToUnix(filepath).split("/");
+      const pathSplit = PathUtils.split(formatPath(filepath));
       addon.api.sync.updateSyncStatus(noteItem.id, {
         itemID: noteItem.id,
-        path: Zotero.File.normalizeToUnix(pathSplit.slice(0, -1).join("/")),
+        path: formatPath(pathSplit.slice(0, -1).join("/")),
         filename: pathSplit.pop() || "",
         lastsync: new Date().getTime(),
         md5: "",
diff --git a/src/modules/sync/api.ts b/src/modules/sync/api.ts
index d0055b8..4292910 100644
--- a/src/modules/sync/api.ts
+++ b/src/modules/sync/api.ts
@@ -2,7 +2,7 @@ import YAML = require("yamljs");
 import { clearPref, getPref, setPref } from "../../utils/prefs";
 import { getNoteLinkParams } from "../../utils/link";
 import { config } from "../../../package.json";
-import { fileExists } from "../../utils/str";
+import { fileExists, formatPath } from "../../utils/str";
 
 export {
   getRelatedNoteIds,
@@ -117,9 +117,11 @@ function getSyncStatus(noteId?: number): SyncStatus {
     lastsync: new Date().getTime(),
     itemID: -1,
   });
-  return JSON.parse(
+  const status = JSON.parse(
     (getPref(`syncDetail-${noteId}`) as string) || defaultStatus,
   );
+  status.path = formatPath(status.path);
+  return status;
 }
 
 function getMDStatusFromContent(contentRaw: string): MDStatus {
@@ -164,18 +166,16 @@ async function getMDStatus(
       const syncStatus = getSyncStatus(source.id);
       filepath = PathUtils.join(syncStatus.path, syncStatus.filename);
     }
-    filepath = Zotero.File.normalizeToUnix(filepath);
+    filepath = formatPath(filepath);
     if (await fileExists(filepath)) {
       const contentRaw = (await Zotero.File.getContentsAsync(
         filepath,
         "utf-8",
       )) as string;
       ret = getMDStatusFromContent(contentRaw);
-      const pathSplit = filepath.split("/");
-      ret.filedir = Zotero.File.normalizeToUnix(
-        pathSplit.slice(0, -1).join("/"),
-      );
-      ret.filename = filepath.split("/").pop() || "";
+      const pathSplit = PathUtils.split(filepath);
+      ret.filedir = formatPath(pathSplit.slice(0, -1).join("/"));
+      ret.filename = pathSplit.pop() || "";
       const stat = await IOUtils.stat(filepath);
       ret.lastmodify = new Date(stat.lastModified);
     }
diff --git a/src/modules/sync/diffWindow.ts b/src/modules/sync/diffWindow.ts
index 840afb4..8940490 100644
--- a/src/modules/sync/diffWindow.ts
+++ b/src/modules/sync/diffWindow.ts
@@ -1,6 +1,6 @@
 import { diffChars } from "diff";
 import { config } from "../../../package.json";
-import { fileExists, getItemDataURL } from "../../utils/str";
+import { fileExists, formatPath, getItemDataURL } from "../../utils/str";
 import { isWindowAlive } from "../../utils/window";
 import { waitUtilAsync } from "../../utils/wait";
 
@@ -8,7 +8,7 @@ export async function showSyncDiff(noteId: number, mdPath: string) {
   const noteItem = Zotero.Items.get(noteId);
   const syncStatus = addon.api.sync.getSyncStatus(noteId);
   const noteStatus = addon.api.sync.getNoteStatus(noteId)!;
-  mdPath = Zotero.File.normalizeToUnix(mdPath);
+  mdPath = formatPath(mdPath);
   if (!noteItem || !noteItem.isNote() || !(await fileExists(mdPath))) {
     return;
   }
diff --git a/src/utils/note.ts b/src/utils/note.ts
index 87fb525..002df40 100644
--- a/src/utils/note.ts
+++ b/src/utils/note.ts
@@ -1,7 +1,7 @@
 import TreeModel = require("tree-model");
-import katex = require("katex");
+import katex from "katex";
 import { getEditorInstance, getPositionAtLine, insert } from "./editor";
-import { getItemDataURL } from "./str";
+import { formatPath, getItemDataURL } from "./str";
 import { showHint } from "./hint";
 import { config } from "../../package.json";
 
@@ -474,7 +474,7 @@ async function importImageToNote(
     }
     blob = res.response;
   } else if (type === "file") {
-    src = Zotero.File.normalizeToUnix(src);
+    src = formatPath(src);
     const noteAttachmentKeys = Zotero.Items.get(note.getAttachments()).map(
       (_i) => _i.key,
     );
diff --git a/src/utils/str.ts b/src/utils/str.ts
index 9612b32..ce60278 100644
--- a/src/utils/str.ts
+++ b/src/utils/str.ts
@@ -24,8 +24,7 @@ export function fill(
 export function formatPath(path: string, suffix: string = "") {
   path = Zotero.File.normalizeToUnix(path);
   if (Zotero.isWin) {
-    path = path.replace(/\\/g, "/");
-    path = PathUtils.join(...path.split(/\//));
+    path = path.replace(/\//g, "\\");
   }
   if (Zotero.isMac && path.charAt(0) !== "/") {
     path = "/" + path;