diff --git a/store/book-api.ts b/store/book-api.ts
index 7865accc..302f7914 100644
--- a/store/book-api.ts
+++ b/store/book-api.ts
@@ -37,7 +37,6 @@ export default class BookAPI extends VuexModule {
       const { data } = await axios.post(
         API_POST_AUTHORIZE,
         {
-          expiresIn: '7d',
           ...signature,
         },
       )