diff --git a/src/pages/sign/index.tsx b/src/pages/sign/index.tsx
index 8720954..63e71dd 100644
--- a/src/pages/sign/index.tsx
+++ b/src/pages/sign/index.tsx
@@ -33,7 +33,8 @@ import {
   sendNotification,
   signEventForMetaFile,
   updateUsersAppData,
-  findOtherUserMarks
+  findOtherUserMarks,
+  timeout
 } from '../../utils'
 import { Container } from '../../components/Container'
 import { DisplayMeta } from './internal/displayMeta'
@@ -276,17 +277,10 @@ export const SignPage = () => {
           setAuthUrl(url)
         })
 
-        // Set up timeout promise to handle encryption timeout
-        const timeoutPromise = new Promise<never>((_, reject) => {
-          setTimeout(() => {
-            reject(new Error('Timeout occurred'))
-          }, 60000) // Timeout duration = 60 seconds
-        })
-
-        // decrypt the encryptionKey, with timeout
+        // decrypt the encryptionKey, with timeout (duration = 60 seconds)
         const encryptionKey = await Promise.race([
           nostrController.nip04Decrypt(sender, key),
-          timeoutPromise
+          timeout(60000)
         ])
           .then((res) => {
             return res
@@ -468,20 +462,20 @@ export const SignPage = () => {
     const fileNames = Object.values(zip.files)
       .filter((entry) => entry.name.startsWith('files/') && !entry.dir)
       .map((entry) => entry.name)
-      .map((entry) => entry.replace(/^files\//, ''))
 
-    // generate hashes for all entries in files folder of zipArchive
-    // these hashes can be used to verify the originality of files
-    for (const fileName of fileNames) {
+    for (const zipFilePath of fileNames) {
       const arrayBuffer = await readContentOfZipEntry(
         zip,
-        fileName,
+        zipFilePath,
         'arraybuffer'
       )
 
+      const fileName = zipFilePath.replace(/^files\//, '')
       if (arrayBuffer) {
         files[fileName] = await convertToSigitFile(arrayBuffer, fileName)
 
+        // generate hashes for all entries in files folder of zipArchive
+        // these hashes can be used to verify the originality of files
         const hash = await getHash(arrayBuffer)
         if (hash) {
           fileHashes[fileName] = hash