diff --git a/app/src/pages/api/item.ts b/app/src/pages/api/item.ts
index 5d8a183..d54b24d 100644
--- a/app/src/pages/api/item.ts
+++ b/app/src/pages/api/item.ts
@@ -97,7 +97,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         try {
             queryId = decryptData(id);
             // console.log(queryId);
-            assert(queryId.match(/^[A-Za-z0-9]+$/))
+            assert(queryId.match(/^[A-Za-z0-9!]+$/))
         } catch (err) {
             res.status(400).json({error: 'Invalid driveItem ID.'})
             return;
diff --git a/app/src/pages/api/search.ts b/app/src/pages/api/search.ts
index d8d9f4a..3a6d378 100644
--- a/app/src/pages/api/search.ts
+++ b/app/src/pages/api/search.ts
@@ -62,6 +62,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         delete item?.parentReference?.driveId
         delete item?.parentReference?.driveType
         delete item?.parentReference?.siteId
+        delete item?.parentReference?.path
         item.id = encryptData(item.id);
         if (item.parentReference.id) {
           item.parentReference.id = encryptData(item?.parentReference?.id)
diff --git a/app/src/pages/setup/step-1.tsx b/app/src/pages/setup/step-1.tsx
index 318c52b..e6e13e1 100644
--- a/app/src/pages/setup/step-1.tsx
+++ b/app/src/pages/setup/step-1.tsx
@@ -50,7 +50,8 @@ export default function OAuthStep1({ installed, apiConfig, build_id }) {
   const router = useRouter()
   if (installed) {
     router.query.path = router.pathname.substring(1).split('/')
-    return Folders(build_id)
+    //@ts-ignore
+    return Folders({ build_id })
   }
 
   return (
diff --git a/app/src/pages/setup/step-2.tsx b/app/src/pages/setup/step-2.tsx
index 10d4a82..348580e 100644
--- a/app/src/pages/setup/step-2.tsx
+++ b/app/src/pages/setup/step-2.tsx
@@ -51,7 +51,8 @@ export default function OAuthStep2({ installed, redirectUri, oAuthUrl, build_id
 
   if (installed) {
     router.query.path = router.pathname.substring(1).split('/')
-    return Folders(build_id)
+    //@ts-ignore
+    return Folders({ build_id })
   }
 
   return (
diff --git a/app/src/pages/setup/step-3.tsx b/app/src/pages/setup/step-3.tsx
index b4c337a..ba72273 100644
--- a/app/src/pages/setup/step-3.tsx
+++ b/app/src/pages/setup/step-3.tsx
@@ -74,7 +74,8 @@ export default function OAuthStep3({ accessToken, expiryTime, refreshToken, erro
 
   if (installed) {
     router.query.path = router.pathname.substring(1).split('/')
-    return Folders(build_id)
+    //@ts-ignore
+    return Folders({ build_id })
   }
 
   const sendAuthTokensToServer = async () => {
diff --git a/app/src/utils/getFileIcon.ts b/app/src/utils/getFileIcon.ts
index 7eea408..9e7d6d8 100644
--- a/app/src/utils/getFileIcon.ts
+++ b/app/src/utils/getFileIcon.ts
@@ -14,7 +14,7 @@ const icons: { [key: string]: [IconPrefix, IconName] } = {
   file: ['far', 'file'],
   markdown: ['fab', 'markdown'],
   book: ['fas', 'book'],
-  link: ['fas', 'link'],
+  link: ['fas', 'link']
 }
 
 const extensions = {
@@ -92,7 +92,7 @@ const extensions = {
   mobi: icons.book,
   azw3: icons.book,
 
-  url: icons.link,
+  url: icons.link
 }
 
 /**
@@ -109,9 +109,13 @@ export function hasKey(obj: Record<string, any>, key: string): boolean {
   return key in obj
 }
 
-export function getRawExtension(fileName: string): string {
+export function getRawExtension(fileName: string | undefined): string {
+  if (typeof fileName !== 'string') {
+    return ''
+  }
   return fileName.slice(((fileName.lastIndexOf('.') - 1) >>> 0) + 2)
 }
+
 export function getExtension(fileName: string): string {
   return getRawExtension(fileName).toLowerCase()
 }