diff --git a/app/components/settings.tsx b/app/components/settings.tsx
index 19c54515..4106c970 100644
--- a/app/components/settings.tsx
+++ b/app/components/settings.tsx
@@ -22,6 +22,7 @@ import {
   Popover,
   Select,
   showConfirm,
+  showToast,
 } from "./ui-lib";
 import { ModelConfigList } from "./model-config";
 
@@ -275,7 +276,7 @@ function SyncItems() {
           icon={<ResetIcon />}
           text={Locale.UI.Sync}
           onClick={() => {
-            syncStore.check().then(console.log);
+            showToast(Locale.WIP);
           }}
         />
       </ListItem>
diff --git a/app/store/config.ts b/app/store/config.ts
index 5fa136a0..b0131954 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -1,5 +1,3 @@
-import { create } from "zustand";
-import { persist } from "zustand/middleware";
 import { LLMModel } from "../client/api";
 import { getClientConfig } from "../config/client";
 import { DEFAULT_INPUT_TEMPLATE, DEFAULT_MODELS, StoreKey } from "../constant";
diff --git a/app/store/mask.ts b/app/store/mask.ts
index 82c41fec..dfd4089b 100644
--- a/app/store/mask.ts
+++ b/app/store/mask.ts
@@ -43,8 +43,6 @@ export const useMaskStore = createPersistStore(
   { ...DEFAULT_MASK_STATE },
 
   (set, get) => ({
-    ...DEFAULT_MASK_STATE,
-
     create(mask?: Partial<Mask>) {
       const masks = get().masks;
       const id = nanoid();
diff --git a/app/store/sync.ts b/app/store/sync.ts
index fc602809..466a98cf 100644
--- a/app/store/sync.ts
+++ b/app/store/sync.ts
@@ -17,17 +17,6 @@ export interface WebDavConfig {
   password: string;
 }
 
-export interface SyncStore {
-  webDavConfig: WebDavConfig;
-  lastSyncTime: number;
-
-  update: Updater<WebDavConfig>;
-  check: () => Promise<boolean>;
-
-  path: (path: string) => string;
-  headers: () => { Authorization: string };
-}
-
 export const useSyncStore = createPersistStore(
   {
     webDavConfig: {
@@ -39,18 +28,11 @@ export const useSyncStore = createPersistStore(
     lastSyncTime: 0,
   },
   (set, get) => ({
-    webDavConfig: {
-      server: "",
-      username: "",
-      password: "",
-    },
-
-    lastSyncTime: 0,
-
     export() {
       const state = getLocalAppState();
       const fileName = `Backup-${new Date().toLocaleString()}.json`;
       downloadAs(JSON.stringify(state), fileName);
+      set({ lastSyncTime: Date.now() });
     },
 
     async import() {