diff --git a/package.json b/package.json
index dd563fc..59017f3 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "unist-util-visit": "^5.0.0",
     "unist-util-visit-parents": "^6.0.1",
     "yamljs": "^0.3.0",
-    "zotero-plugin-toolkit": "^2.2.5"
+    "zotero-plugin-toolkit": "^2.3.2"
   },
   "devDependencies": {
     "@esbuild-plugins/node-globals-polyfill": "^0.2.3",
diff --git a/src/addon.ts b/src/addon.ts
index be2a051..3ad1f04 100644
--- a/src/addon.ts
+++ b/src/addon.ts
@@ -3,6 +3,7 @@ import {
   ColumnOptions,
   VirtualizedTableHelper,
 } from "zotero-plugin-toolkit/dist/helpers/virtualizedTable";
+import { LargePrefHelper } from "zotero-plugin-toolkit/dist/helpers/largePref";
 import ToolkitGlobal from "zotero-plugin-toolkit/dist/managers/toolkitGlobal";
 
 import { getPref, setPref } from "./utils/prefs";
@@ -30,6 +31,7 @@ class Addon {
       pdf: { promise?: _ZoteroTypes.PromiseObject };
     };
     sync: {
+      data?: LargePrefHelper;
       lock: boolean;
       manager: {
         window?: Window;
@@ -73,15 +75,18 @@ class Addon {
         top: number;
       };
     };
-    templateEditor: {
-      window?: Window;
-      tableHelper?: VirtualizedTableHelper;
-      editor?: any;
-      templates: { name: string }[];
-    };
-    templatePicker: {
-      mode: "insert" | "create" | "export";
-      data: Record<string, any>;
+    template: {
+      data?: LargePrefHelper;
+      editor: {
+        window?: Window;
+        tableHelper?: VirtualizedTableHelper;
+        editor?: any;
+        templates: string[];
+      };
+      picker: {
+        mode: "insert" | "create" | "export";
+        data: Record<string, any>;
+      };
     };
     readonly prompt?: Prompt;
   } = {
@@ -141,14 +146,16 @@ class Addon {
       pined: false,
       anchorPosition: undefined,
     },
-    templateEditor: {
-      window: undefined,
-      tableHelper: undefined,
-      templates: [],
-    },
-    templatePicker: {
-      mode: "insert",
-      data: {},
+    template: {
+      editor: {
+        window: undefined,
+        tableHelper: undefined,
+        templates: [],
+      },
+      picker: {
+        mode: "insert",
+        data: {},
+      },
     },
     get prompt() {
       return ToolkitGlobal.getInstance().prompt.instance;
diff --git a/src/api.ts b/src/api.ts
index bbdfbf3..dfba894 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -38,7 +38,6 @@ import {
   getTemplateKeys,
   getTemplateText,
   setTemplate,
-  initTemplates,
   removeTemplate,
 } from "./modules/template/controller";
 import {
@@ -103,7 +102,6 @@ const template = {
   getTemplateKeys,
   getTemplateText,
   setTemplate,
-  initTemplates,
   removeTemplate,
   renderTemplatePreview,
 };
diff --git a/src/hooks.ts b/src/hooks.ts
index 4ac2ead..ba6a7b6 100644
--- a/src/hooks.ts
+++ b/src/hooks.ts
@@ -49,6 +49,7 @@ import {
 import { annotationTagAction } from "./modules/annotationTagAction";
 import { createZToolkit } from "./utils/ztoolkit";
 import { waitUtilAsync } from "./utils/wait";
+import { initSyncList } from "./modules/sync/api";
 
 async function onStartup() {
   await Promise.all([
@@ -68,6 +69,8 @@ async function onStartup() {
 
   registerPrefsWindow();
 
+  initSyncList();
+
   setSyncing();
 
   await onMainWindowLoad(window);
diff --git a/src/modules/sync/api.ts b/src/modules/sync/api.ts
index b912fee..96684c5 100644
--- a/src/modules/sync/api.ts
+++ b/src/modules/sync/api.ts
@@ -1,10 +1,11 @@
 import YAML = require("yamljs");
-import { clearPref, getPref, setPref } from "../../utils/prefs";
+import { getPref, setPref } from "../../utils/prefs";
 import { getNoteLinkParams } from "../../utils/link";
 import { config } from "../../../package.json";
 import { fileExists, formatPath } from "../../utils/str";
 
 export {
+  initSyncList,
   getRelatedNoteIds,
   removeSyncNote,
   isSyncNote,
@@ -18,16 +19,31 @@ export {
   getMDFileName,
 };
 
+function initSyncList() {
+  const rawKeys = getPref("syncNoteIds") as string;
+  if (!rawKeys.startsWith("[") || !rawKeys.endsWith("]")) {
+    const keys = rawKeys.split(",").map((id) => parseInt(id));
+    setPref("syncNoteIds", JSON.stringify(keys));
+  }
+  addon.data.sync.data = new ztoolkit.LargePref(
+    `${config.prefsPrefix}.syncNoteIds`,
+    `${config.prefsPrefix}.syncDetail-`,
+    "parser",
+  );
+}
+
 function getSyncNoteIds(): number[] {
-  const ids = getPref("syncNoteIds") as string;
-  return Zotero.Items.get(ids.split(",").map((id: string) => Number(id)))
+  const keys = addon.data.sync.data?.getKeys();
+  if (!keys) {
+    return [];
+  }
+  return Zotero.Items.get(keys)
     .filter((item) => item.isNote())
     .map((item) => item.id);
 }
 
 function isSyncNote(noteId: number): boolean {
-  const syncNoteIds = getSyncNoteIds();
-  return syncNoteIds.includes(noteId);
+  return !!addon.data.sync.data?.hasKey(String(noteId));
 }
 
 async function getRelatedNoteIds(noteId: number): Promise<number[]> {
@@ -49,34 +65,16 @@ async function getRelatedNoteIds(noteId: number): Promise<number[]> {
   return allNoteIds;
 }
 
-async function getRelatedNoteIdsFromNotes(
-  noteIds: number[],
-): Promise<number[]> {
-  let allNoteIds: number[] = [];
-  for (const noteId of noteIds) {
-    allNoteIds = allNoteIds.concat(await getRelatedNoteIds(noteId));
-  }
-  return allNoteIds;
-}
-
 function addSyncNote(noteId: number) {
-  const ids = getSyncNoteIds();
-  if (ids.includes(noteId)) {
-    return;
-  }
-  ids.push(noteId);
-  setPref("syncNoteIds", ids.join(","));
+  addon.data.sync.data?.setKey(String(noteId));
 }
 
 function removeSyncNote(noteId: number) {
-  const ids = getSyncNoteIds();
-  setPref("syncNoteIds", ids.filter((id) => id !== noteId).join(","));
-  clearPref(`syncDetail-${noteId}`);
+  addon.data.sync.data?.deleteKey(String(noteId));
 }
 
 function updateSyncStatus(noteId: number, status: SyncStatus) {
-  addSyncNote(noteId);
-  setPref(`syncDetail-${noteId}`, JSON.stringify(status));
+  addon.data.sync.data?.setValue(String(noteId), status);
 }
 
 function getNoteStatus(noteId: number) {
@@ -109,17 +107,18 @@ function getNoteStatus(noteId: number) {
 }
 
 function getSyncStatus(noteId?: number): SyncStatus {
-  const defaultStatus = JSON.stringify({
+  const defaultStatus = {
     path: "",
     filename: "",
     md5: "",
     noteMd5: "",
     lastsync: new Date().getTime(),
     itemID: -1,
-  });
-  const status = JSON.parse(
-    (getPref(`syncDetail-${noteId}`) as string) || defaultStatus,
-  );
+  };
+  const status = {
+    ...defaultStatus,
+    ...(addon.data.sync.data?.getValue(String(noteId)) as SyncStatus),
+  };
   status.path = formatPath(status.path);
   return status;
 }
diff --git a/src/modules/template/api.ts b/src/modules/template/api.ts
index 8c04071..762fdb9 100644
--- a/src/modules/template/api.ts
+++ b/src/modules/template/api.ts
@@ -210,7 +210,7 @@ async function runItemTemplate(
 }
 
 async function getItemTemplateData() {
-  const librarySelectedIds = addon.data.templatePicker.data.librarySelectedIds;
+  const librarySelectedIds = addon.data.template.picker.data.librarySelectedIds;
   if (librarySelectedIds && librarySelectedIds.length !== 0) {
     const firstSelectedItem = Zotero.Items.get(librarySelectedIds[0]);
     const data = {} as Record<string, any>;
diff --git a/src/modules/template/controller.ts b/src/modules/template/controller.ts
index 04eef92..52811be 100644
--- a/src/modules/template/controller.ts
+++ b/src/modules/template/controller.ts
@@ -1,6 +1,7 @@
 import YAML = require("yamljs");
-import { clearPref, getPref, setPref } from "../../utils/prefs";
+import { getPref } from "../../utils/prefs";
 import { showHint } from "../../utils/hint";
+import { config } from "../../../package.json";
 
 export {
   getTemplateKeys,
@@ -11,52 +12,46 @@ export {
   importTemplateFromClipboard,
 };
 
-// Controller
-function getTemplateKeys(): { name: string }[] {
-  const templateKeys = getPref("templateKeys") as string;
-  return templateKeys ? JSON.parse(templateKeys) : [];
-}
-
-function setTemplateKeys(templateKeys: { name: string }[]): void {
-  setPref("templateKeys", JSON.stringify(templateKeys));
-}
-
-function addTemplateKey(templateKey: { name: string }): boolean {
-  const templateKeys = getTemplateKeys();
-  if (templateKeys.map((t) => t.name).includes(templateKey.name)) {
-    return false;
+function initTemplates() {
+  addon.data.template.data = new ztoolkit.LargePref(
+    `${config.prefsPrefix}.templateKeys`,
+    `${config.prefsPrefix}.template.`,
+    "parser",
+  );
+  // Convert old template keys to new format
+  const raw = getPref("templateKeys") as string;
+  let keys = raw ? JSON.parse(raw) : [];
+  if (keys.length > 0 && typeof keys[0] !== "string") {
+    keys = keys.map((t: { name: string }) => t.name);
+    setTemplateKeys(keys);
   }
-  templateKeys.push(templateKey);
-  setTemplateKeys(templateKeys);
-  return true;
+  // Add default templates
+  const templateKeys = getTemplateKeys();
+  for (const defaultTemplate of addon.api.template.DEFAULT_TEMPLATES) {
+    if (!templateKeys.includes(defaultTemplate.name)) {
+      setTemplate(defaultTemplate, false);
+    }
+  }
+  addon.hooks.onUpdateTemplatePicker();
 }
 
-function removeTemplateKey(keyName: string): boolean {
-  const templateKeys = getTemplateKeys();
-  if (!templateKeys.map((t) => t.name).includes(keyName)) {
-    return false;
-  }
-  templateKeys.splice(templateKeys.map((t) => t.name).indexOf(keyName), 1);
-  setTemplateKeys(templateKeys);
-  return true;
+function getTemplateKeys(): string[] {
+  return addon.data.template.data?.getKeys() || [];
+}
+
+function setTemplateKeys(templateKeys: string[]): void {
+  addon.data.template.data?.setKeys(templateKeys);
 }
 
 function getTemplateText(keyName: string): string {
-  let template = getPref(`template.${keyName}`) as string;
-  if (!template) {
-    template = "";
-    setPref(`template.${keyName}`, template);
-  }
-  return template;
+  return addon.data.template.data?.getValue(keyName) || "";
 }
 
 function setTemplate(
   template: NoteTemplate,
   updatePrompt: boolean = true,
 ): void {
-  template = JSON.parse(JSON.stringify(template));
-  addTemplateKey({ name: template.name });
-  setPref(`template.${template.name}`, template.text);
+  addon.data.template.data?.setValue(template.name, template.text);
   if (updatePrompt) {
     addon.hooks.onUpdateTemplatePicker();
   }
@@ -66,27 +61,15 @@ function removeTemplate(
   keyName: string | undefined,
   updatePrompt: boolean = true,
 ): void {
-  if (typeof keyName === "undefined") {
+  if (!keyName) {
     return;
   }
-  removeTemplateKey(keyName);
-  clearPref(`template.${keyName}`);
+  addon.data.template.data?.deleteKey(keyName);
   if (updatePrompt) {
     addon.hooks.onUpdateTemplatePicker();
   }
 }
 
-function initTemplates() {
-  const templateKeys = getTemplateKeys();
-  const currentNames = templateKeys.map((t) => t.name);
-  for (const defaultTemplate of addon.api.template.DEFAULT_TEMPLATES) {
-    if (!currentNames.includes(defaultTemplate.name)) {
-      setTemplate(defaultTemplate, false);
-    }
-  }
-  addon.hooks.onUpdateTemplatePicker();
-}
-
 function importTemplateFromClipboard() {
   const templateText = Zotero.Utilities.Internal.getClipboard("text/unicode");
   if (!templateText) {
diff --git a/src/modules/template/editorWindow.ts b/src/modules/template/editorWindow.ts
index 8a94af4..8030694 100644
--- a/src/modules/template/editorWindow.ts
+++ b/src/modules/template/editorWindow.ts
@@ -7,9 +7,9 @@ import { waitUtilAsync } from "../../utils/wait";
 
 export async function showTemplateEditor() {
   if (
-    !addon.data.templateEditor.window ||
-    Components.utils.isDeadWrapper(addon.data.templateEditor.window) ||
-    addon.data.templateEditor.window.closed
+    !addon.data.template.editor.window ||
+    Components.utils.isDeadWrapper(addon.data.template.editor.window) ||
+    addon.data.template.editor.window.closed
   ) {
     const windowArgs = {
       _initPromise: Zotero.Promise.defer(),
@@ -20,10 +20,10 @@ export async function showTemplateEditor() {
       `chrome,centerscreen,resizable,status,width=600,height=400,dialog=no`,
       windowArgs,
     )!;
-    addon.data.templateEditor.window = _window;
+    addon.data.template.editor.window = _window;
     await windowArgs._initPromise.promise;
     updateData();
-    addon.data.templateEditor.tableHelper = new ztoolkit.VirtualizedTable(
+    addon.data.template.editor.tableHelper = new ztoolkit.VirtualizedTable(
       _window!,
     )
       .setContainerId("table-container")
@@ -47,14 +47,10 @@ export async function showTemplateEditor() {
         staticColumns: true,
         disableFontSizeScaling: true,
       })
-      .setProp("getRowCount", () => addon.data.templateEditor.templates.length)
-      .setProp(
-        "getRowData",
-        (index) =>
-          (addon.data.templateEditor.templates[index] as { name: string }) || {
-            name: "no data",
-          },
-      )
+      .setProp("getRowCount", () => addon.data.template.editor.templates.length)
+      .setProp("getRowData", (index) => ({
+        name: addon.data.template.editor.templates[index] || "no data",
+      }))
       .setProp("onSelectionChange", (selection) => {
         updateEditor();
         updatePreview();
@@ -128,7 +124,7 @@ export async function showTemplateEditor() {
       ?.addEventListener("click", (ev) => {
         restoreTemplates(_window);
       });
-    addon.data.templateEditor.window?.focus();
+    addon.data.template.editor.window?.focus();
     const editorWin = (_window.document.querySelector("#editor") as any)
       .contentWindow;
     await waitUtilAsync(() => editorWin?.loadMonaco);
@@ -136,7 +132,7 @@ export async function showTemplateEditor() {
       language: "javascript",
       theme: "vs-light",
     });
-    addon.data.templateEditor.editor = editor;
+    addon.data.template.editor.editor = editor;
   }
 }
 
@@ -148,33 +144,33 @@ async function refresh() {
 }
 
 function updateData() {
-  addon.data.templateEditor.templates = addon.api.template.getTemplateKeys();
+  addon.data.template.editor.templates = addon.api.template.getTemplateKeys();
 }
 
 function updateTable(selectId?: number) {
-  addon.data.templateEditor.tableHelper?.render(selectId);
+  addon.data.template.editor.tableHelper?.render(selectId);
 }
 
 function updateEditor() {
   const name = getSelectedTemplateName();
   const templateText = addon.api.template.getTemplateText(name);
 
-  const header = addon.data.templateEditor.window?.document.getElementById(
+  const header = addon.data.template.editor.window?.document.getElementById(
     "editor-name",
   ) as HTMLInputElement;
-  const editor = addon.data.templateEditor.window?.document.getElementById(
+  const editor = addon.data.template.editor.window?.document.getElementById(
     "editor",
   ) as HTMLIFrameElement;
   const saveTemplate =
-    addon.data.templateEditor.window?.document.getElementById(
+    addon.data.template.editor.window?.document.getElementById(
       "save",
     ) as XUL.Button;
   const deleteTemplate =
-    addon.data.templateEditor.window?.document.getElementById(
+    addon.data.template.editor.window?.document.getElementById(
       "delete",
     ) as XUL.Button;
   const resetTemplate =
-    addon.data.templateEditor.window?.document.getElementById(
+    addon.data.template.editor.window?.document.getElementById(
       "reset",
     ) as XUL.Button;
   if (!name) {
@@ -197,7 +193,7 @@ function updateEditor() {
       deleteTemplate.hidden = true;
       resetTemplate.hidden = false;
     }
-    addon.data.templateEditor.editor.setValue(templateText);
+    addon.data.template.editor.editor.setValue(templateText);
     editor.hidden = false;
     saveTemplate.removeAttribute("disabled");
     deleteTemplate.removeAttribute("disabled");
@@ -211,7 +207,7 @@ async function updatePreview() {
     .replace(/<br>/g, "<br/>")
     .replace(/<hr>/g, "<hr/>")
     .replace(/<img([^>]+)>/g, "<img$1/>");
-  const win = addon.data.templateEditor.window;
+  const win = addon.data.template.editor.window;
   const container = win?.document.getElementById("preview-container");
   if (container) {
     container.innerHTML = html;
@@ -219,13 +215,13 @@ async function updatePreview() {
 }
 
 function getSelectedTemplateName() {
-  const selectedTemplate = addon.data.templateEditor.templates.find(
+  const selectedTemplate = addon.data.template.editor.templates.find(
     (v, i) =>
-      addon.data.templateEditor.tableHelper?.treeInstance.selection.isSelected(
+      addon.data.template.editor.tableHelper?.treeInstance.selection.isSelected(
         i,
       ),
   );
-  return selectedTemplate?.name || "";
+  return selectedTemplate || "";
 }
 
 function createTemplate() {
@@ -255,7 +251,7 @@ async function importNoteTemplate() {
 
 function saveSelectedTemplate() {
   const name = getSelectedTemplateName();
-  const header = addon.data.templateEditor.window?.document.getElementById(
+  const header = addon.data.template.editor.window?.document.getElementById(
     "editor-name",
   ) as HTMLInputElement;
 
@@ -271,7 +267,7 @@ function saveSelectedTemplate() {
 
   const template = {
     name: header.value,
-    text: addon.data.templateEditor.editor.getValue(),
+    text: addon.data.template.editor.editor.getValue(),
   };
   addon.api.template.setTemplate(template);
   if (name !== template.name) {
@@ -279,7 +275,7 @@ function saveSelectedTemplate() {
   }
   showHint(`Template ${template.name} saved.`);
   const selectedId =
-    addon.data.templateEditor.tableHelper?.treeInstance.selection.selected
+    addon.data.template.editor.tableHelper?.treeInstance.selection.selected
       .values()
       .next().value;
   refresh().then(() => updateTable(selectedId));
@@ -300,7 +296,7 @@ function deleteSelectedTemplate() {
 function resetSelectedTemplate() {
   const name = getSelectedTemplateName();
   if (addon.api.template.SYSTEM_TEMPLATE_NAMES.includes(name)) {
-    addon.data.templateEditor.editor.setValue(
+    addon.data.template.editor.editor.setValue(
       addon.api.template.DEFAULT_TEMPLATES.find((t) => t.name === name)?.text ||
         "",
     );
@@ -343,7 +339,7 @@ async function backupTemplates() {
   if (!filepath) {
     return;
   }
-  const keys = addon.api.template.getTemplateKeys().map((t) => t.name);
+  const keys = addon.api.template.getTemplateKeys();
   const templates = keys.map((key) => {
     return {
       name: key,
@@ -368,7 +364,7 @@ async function restoreTemplates(win: Window) {
   }
   const yaml = (await Zotero.File.getContentsAsync(filepath)) as string;
   const templates = YAML.parse(yaml) as NoteTemplate[];
-  const existingNames = addon.api.template.getTemplateKeys().map((t) => t.name);
+  const existingNames = addon.api.template.getTemplateKeys();
 
   for (const t of templates) {
     if (existingNames.includes(t.name)) {
diff --git a/src/modules/template/picker.ts b/src/modules/template/picker.ts
index 4bd2677..0ddbec8 100644
--- a/src/modules/template/picker.ts
+++ b/src/modules/template/picker.ts
@@ -15,12 +15,12 @@ function showTemplatePicker(
 function showTemplatePicker(mode: "export", data?: Record<string, never>): void;
 function showTemplatePicker(): void;
 function showTemplatePicker(
-  mode: typeof addon.data.templatePicker.mode = "insert",
+  mode: typeof addon.data.template.picker.mode = "insert",
   data: Record<string, any> = {},
 ) {
   if (addon.data.prompt) {
-    addon.data.templatePicker.mode = mode;
-    addon.data.templatePicker.data = data;
+    addon.data.template.picker.mode = mode;
+    addon.data.template.picker.data = data;
     addon.data.prompt.promptNode.style.display = "flex";
     addon.data.prompt.showCommands(
       addon.data.prompt.commands.filter(
@@ -32,18 +32,18 @@ function showTemplatePicker(
 
 function updateTemplatePicker() {
   ztoolkit.Prompt.unregisterAll();
-  const templates = addon.api.template.getTemplateKeys();
+  const templateKeys = addon.api.template.getTemplateKeys();
   ztoolkit.Prompt.register(
-    templates
+    templateKeys
       .filter(
         (template) =>
-          !addon.api.template.SYSTEM_TEMPLATE_NAMES.includes(template.name),
+          !addon.api.template.SYSTEM_TEMPLATE_NAMES.includes(template),
       )
       .map((template) => {
         return {
-          name: `Template: ${template.name}`,
+          name: `Template: ${template}`,
           label: "BNotes Template",
-          callback: getTemplatePromptHandler(template.name),
+          callback: getTemplatePromptHandler(template),
         };
       }),
   );
@@ -54,7 +54,7 @@ function getTemplatePromptHandler(name: string) {
     ztoolkit.log(prompt, name);
     prompt.promptNode.style.display = "none";
     // TODO: add preview when command is selected
-    switch (addon.data.templatePicker.mode) {
+    switch (addon.data.template.picker.mode) {
       case "create":
         await createTemplateNoteCallback(name);
         break;
@@ -66,14 +66,14 @@ function getTemplatePromptHandler(name: string) {
         await insertTemplateCallback(name);
         break;
     }
-    addon.data.templatePicker.mode = "insert";
-    addon.data.templatePicker.data = {};
+    addon.data.template.picker.mode = "insert";
+    addon.data.template.picker.data = {};
   };
 }
 
 async function insertTemplateCallback(name: string) {
   const targetNoteItem = Zotero.Items.get(
-    addon.data.templatePicker.data.noteId || addon.data.workspace.mainId,
+    addon.data.template.picker.data.noteId || addon.data.workspace.mainId,
   );
   let html = "";
   if (name.toLowerCase().startsWith("[item]")) {
@@ -88,14 +88,14 @@ async function insertTemplateCallback(name: string) {
   await addLineToNote(
     targetNoteItem,
     html,
-    addon.data.templatePicker.data.lineIndex,
+    addon.data.template.picker.data.lineIndex,
   );
 }
 
 async function createTemplateNoteCallback(name: string) {
-  addon.data.templatePicker.data.librarySelectedIds =
+  addon.data.template.picker.data.librarySelectedIds =
     ZoteroPane.getSelectedItems(true);
-  switch (addon.data.templatePicker.data.noteType) {
+  switch (addon.data.template.picker.data.noteType) {
     case "standalone": {
       const currentCollection = ZoteroPane.getSelectedCollection();
       if (!currentCollection) {
@@ -105,16 +105,16 @@ async function createTemplateNoteCallback(name: string) {
       const noteID = await ZoteroPane.newNote();
       const noteItem = Zotero.Items.get(noteID);
       await noteItem.saveTx();
-      addon.data.templatePicker.data.noteId = noteID;
+      addon.data.template.picker.data.noteId = noteID;
       break;
     }
     case "item": {
-      const parentID = addon.data.templatePicker.data.parentItemId;
+      const parentID = addon.data.template.picker.data.parentItemId;
       const noteItem = new Zotero.Item("note");
       noteItem.libraryID = Zotero.Items.get(parentID).libraryID;
       noteItem.parentID = parentID;
       await noteItem.saveTx();
-      addon.data.templatePicker.data.noteId = noteItem.id;
+      addon.data.template.picker.data.noteId = noteItem.id;
       break;
     }
     default:
@@ -124,13 +124,13 @@ async function createTemplateNoteCallback(name: string) {
 }
 
 async function exportTemplateCallback(name: string) {
-  addon.data.templatePicker.data.librarySelectedIds =
+  addon.data.template.picker.data.librarySelectedIds =
     ZoteroPane.getSelectedItems(true);
   // Create temp note
   const noteItem = new Zotero.Item("note");
   noteItem.libraryID = Zotero.Libraries.userLibraryID;
   await noteItem.saveTx();
-  addon.data.templatePicker.data.noteId = noteItem.id;
+  addon.data.template.picker.data.noteId = noteItem.id;
   await insertTemplateCallback(name);
   // Export note
   await addon.hooks.onShowExportNoteOptions([noteItem.id], {
diff --git a/src/utils/ztoolkit.ts b/src/utils/ztoolkit.ts
index 8bf0bde..e995e06 100644
--- a/src/utils/ztoolkit.ts
+++ b/src/utils/ztoolkit.ts
@@ -40,6 +40,7 @@ import { MenuManager } from "zotero-plugin-toolkit/dist/managers/menu";
 import { PromptManager } from "zotero-plugin-toolkit/dist/managers/prompt";
 import { ReaderInstanceManager } from "zotero-plugin-toolkit/dist/managers/readerInstance";
 import { ReaderTabPanelManager } from "zotero-plugin-toolkit/dist/managers/readerTabPanel";
+import { LargePrefHelper } from "zotero-plugin-toolkit/dist/helpers/largePref";
 
 class MyToolkit extends BasicTool {
   UI: UITool;
@@ -54,6 +55,7 @@ class MyToolkit extends BasicTool {
   ProgressWindow: typeof ProgressWindowHelper;
   VirtualizedTable: typeof VirtualizedTableHelper;
   Dialog: typeof DialogHelper;
+  LargePref: typeof LargePrefHelper;
 
   constructor() {
     super();
@@ -69,6 +71,7 @@ class MyToolkit extends BasicTool {
     this.ProgressWindow = ProgressWindowHelper;
     this.VirtualizedTable = VirtualizedTableHelper;
     this.Dialog = DialogHelper;
+    this.LargePref = LargePrefHelper;
   }
 
   unregisterAll() {