diff --git a/src/main/utils/ipc.ts b/src/main/utils/ipc.ts
index d129aaf..7e9ff50 100644
--- a/src/main/utils/ipc.ts
+++ b/src/main/utils/ipc.ts
@@ -125,7 +125,7 @@ export function registerIpcMainHandlers(): void {
   ipcMain.handle('restartCore', ipcErrorWrapper(restartCore))
   ipcMain.handle('triggerSysProxy', (_e, enable) => ipcErrorWrapper(triggerSysProxy)(enable))
   ipcMain.handle('isEncryptionAvailable', isEncryptionAvailable)
-  ipcMain.handle('encryptString', (_e, str) => safeStorage.encryptString(str))
+  ipcMain.handle('encryptString', (_e, str) => encryptString(str))
   ipcMain.handle('manualGrantCorePermition', ipcErrorWrapper(manualGrantCorePermition))
   ipcMain.handle('getFilePath', (_e, ext) => getFilePath(ext))
   ipcMain.handle('readTextFile', (_e, filePath) => ipcErrorWrapper(readTextFile)(filePath))
@@ -146,3 +146,7 @@ export function registerIpcMainHandlers(): void {
   })
   ipcMain.handle('quitApp', () => app.quit())
 }
+
+function encryptString(str: string): number[] {
+  return safeStorage.encryptString(str).toJSON().data
+}
diff --git a/src/renderer/src/utils/ipc.ts b/src/renderer/src/utils/ipc.ts
index 395587a..0726015 100644
--- a/src/renderer/src/utils/ipc.ts
+++ b/src/renderer/src/utils/ipc.ts
@@ -201,7 +201,7 @@ export async function isEncryptionAvailable(): Promise<boolean> {
   return ipcErrorWrapper(await window.electron.ipcRenderer.invoke('isEncryptionAvailable'))
 }
 
-export async function encryptString(str: string): Promise<Buffer> {
+export async function encryptString(str: string): Promise<number[]> {
   return ipcErrorWrapper(await window.electron.ipcRenderer.invoke('encryptString', str))
 }
 
diff --git a/src/shared/types.d.ts b/src/shared/types.d.ts
index c5e8a2a..07bb981 100644
--- a/src/shared/types.d.ts
+++ b/src/shared/types.d.ts
@@ -213,7 +213,7 @@ interface IAppConfig {
   userAgent?: string
   delayTestUrl?: string
   delayTestTimeout?: number
-  encryptedPassword?: Buffer
+  encryptedPassword?: number[]
   controlDns?: boolean
   controlSniff?: boolean
   useDockIcon?: boolean