diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index d5e9f97e8..95d59e00c 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.9.0",
+    "version": "3.9.1",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/model/user.ts b/packages/hydrooj/src/model/user.ts
index 15b8323c3..611189618 100644
--- a/packages/hydrooj/src/model/user.ts
+++ b/packages/hydrooj/src/model/user.ts
@@ -23,7 +23,7 @@ export const coll: Collection<Udoc> = db.collection('user');
 export const collV: Collection<VUdoc> = db.collection('vuser');
 export const collGroup: Collection<GDoc> = db.collection('user.group');
 const logger = new Logger('model/user');
-const cache = new LRU<string, User>({ max: 500, maxAge: 300 * 1000 });
+const cache = new LRU<string, User>({ max: 500, ttl: 300 * 1000 });
 
 export function deleteUserCache(udoc: User | Udoc | string | undefined | null, receiver = false) {
     if (!udoc) return;
@@ -170,6 +170,7 @@ class UserModel {
         hash: '',
         hashType: 'hydro',
         priv: 0,
+        perm: 0n,
         regat: new Date('2000-01-01'),
         loginat: new Date('2000-01-01'),
         ip: ['127.0.0.1'],