diff --git a/packages/hydrooj/bin/hydrooj.js b/packages/hydrooj/bin/hydrooj.js
index dfcb18204..f2058544e 100755
--- a/packages/hydrooj/bin/hydrooj.js
+++ b/packages/hydrooj/bin/hydrooj.js
@@ -18,6 +18,7 @@ require('source-map-support').install({
 });
 const os = require('os');
 const path = require('path');
+const vm = require('vm');
 const fs = require('fs-extra');
 const argv = require('cac')().parse();
 const child = require('child_process');
@@ -60,6 +61,10 @@ function transform(filename) {
     return result.code;
 }
 const ESM = ['p-queue', 'p-timeout'];
+const _script = new vm.Script('"Hydro"', { produceCachedData: true });
+const bytecode = (_script.createCachedData && _script.createCachedData.call)
+    ? _script.createCachedData()
+    : _script.cachedData;
 require.extensions['.js'] = function loader(module, filename) {
     if (ESM.filter((i) => filename.includes(i)).length || major < 14) {
         return module._compile(transform(filename), filename);
@@ -70,6 +75,33 @@ require.extensions['.js'] = function loader(module, filename) {
 require.extensions['.ts'] = require.extensions['.tsx'] = function loader(module, filename) {
     return module._compile(transform(filename), filename);
 };
+require.extensions['.jsc'] = function loader(module, filename) {
+    const buf = fs.readFileSync(filename);
+    bytecode.slice(12, 16).copy(buf, 12);
+    if (![12, 13, 14, 15, 16, 17].filter((i) => process.version.startsWith(`v${i}`)).length) {
+        bytecode.slice(16, 20).copy(buf, 16);
+    }
+    // eslint-disable-next-line no-return-assign
+    const length = buf.slice(8, 12).reduce((sum, number, power) => sum += number * (256 ** power), 0);
+    let dummyCode = '';
+    if (length > 1) dummyCode = `"${'\u200b'.repeat(length - 2)}"`;
+    const script = new vm.Script(dummyCode, {
+        filename,
+        lineOffset: 0,
+        displayErrors: true,
+        cachedData: buf,
+    });
+    if (script.cachedDataRejected) throw new Error(`cacheDataRejected on ${filename}`);
+    const compiledWrapper = script.runInThisContext({
+        filename,
+        lineOffset: 0,
+        columnOffset: 0,
+        displayErrors: true,
+    });
+    const dirname = path.dirname(filename);
+    const args = [module.exports, require, module, filename, dirname, process, global];
+    return compiledWrapper.apply(module.exports, args);
+};
 
 function buildUrl(opts) {
     let mongourl = `${opts.protocol || 'mongodb'}://`;
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index e2a5c3f19..acfacec05 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.5.4",
+    "version": "3.5.5",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/interface.ts b/packages/hydrooj/src/interface.ts
index d64fe694b..14486c7bf 100644
--- a/packages/hydrooj/src/interface.ts
+++ b/packages/hydrooj/src/interface.ts
@@ -105,40 +105,11 @@ export interface GDoc {
 
 export type ownerInfo = { owner: number, maintainer?: number[] };
 
-export interface User extends Record<string, any> {
-    _id: number;
-    _udoc: Udoc;
-    _dudoc: any;
-    _salt: string;
-    _hash: string;
-    _regip: string;
-    _loginip: string;
-    _tfa: string;
-
-    mail: string;
-    uname: string;
-    hashType: string;
-    priv: number;
-    regat: Date;
-    loginat: Date;
-    perm: bigint;
-    scope: bigint;
-    role: string;
-    group?: string[];
-    tfa: boolean;
-    own<T extends ownerInfo>(doc: T, checkPerm: bigint): boolean
-    own<T extends ownerInfo>(doc: T, exact: boolean): boolean
-    own<T extends ownerInfo>(doc: T): boolean
-    own<T extends { owner: number, maintainer?: number[] }>(doc: T): boolean;
-    hasPerm: (...perm: bigint[]) => boolean;
-    hasPriv: (...priv: number[]) => boolean;
-    checkPassword: (password: string) => void;
-}
-
+export type User = import('./model/user').User;
 export type Udict = NumericDictionary<User>;
 
 export interface FileInfo {
-    /** duplicate to filename */
+    /** storage path */
     _id: string,
     /** filename */
     name: string,
diff --git a/packages/hydrooj/src/model/task.ts b/packages/hydrooj/src/model/task.ts
index 0e776d811..6208b0e65 100644
--- a/packages/hydrooj/src/model/task.ts
+++ b/packages/hydrooj/src/model/task.ts
@@ -146,6 +146,7 @@ Worker.addHandler('task.daily', async () => {
     if (global.Hydro.model.system.get('server.checkUpdate')) {
         await global.Hydro.script.checkUpdate?.run({}, new Logger('task/checkUpdate').debug);
     }
+    await bus.serial('task/daily');
 });
 bus.on('domain/delete', (domainId) => coll.deleteMany({ domainId }));
 bus.once('app/started', async () => {
diff --git a/packages/hydrooj/src/model/user.ts b/packages/hydrooj/src/model/user.ts
index 94b3f7078..d1073bb95 100644
--- a/packages/hydrooj/src/model/user.ts
+++ b/packages/hydrooj/src/model/user.ts
@@ -3,8 +3,8 @@ import LRU from 'lru-cache';
 import { Collection, ObjectID } from 'mongodb';
 import { LoginError, UserAlreadyExistError, UserNotFoundError } from '../error';
 import {
-    FileInfo, GDoc, Udict,
-    Udoc, User as _User, VUdoc,
+    FileInfo, GDoc, ownerInfo,
+    Udict, Udoc, VUdoc,
 } from '../interface';
 import pwhash from '../lib/hash.hydro';
 import { Logger } from '../logger';
@@ -18,10 +18,10 @@ import * as setting from './setting';
 import * as system from './system';
 import token from './token';
 
-const coll: Collection<Udoc> = db.collection('user');
+export const coll: Collection<Udoc> = db.collection('user');
 // Virtual user, only for display in contest.
-const collV: Collection<VUdoc> = db.collection('vuser');
-const collGroup: Collection<GDoc> = db.collection('user.group');
+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 });
 
@@ -45,7 +45,7 @@ export function deleteUserCache(udoc: User | Udoc | string | undefined | null, r
 }
 bus.on('user/delcache', (content) => deleteUserCache(JSON.parse(content), true));
 
-class User implements _User {
+export class User {
     _id: number;
 
     _udoc: Udoc;
@@ -108,6 +108,10 @@ class User implements _User {
         return this;
     }
 
+    own<T extends ownerInfo>(doc: T, checkPerm: bigint): boolean;
+    own<T extends ownerInfo>(doc: T, exact: boolean): boolean;
+    own<T extends ownerInfo>(doc: T): boolean;
+    own<T extends { owner: number, maintainer?: number[] }>(doc: T): boolean;
     own(doc: any, arg1: any = false): boolean {
         if (typeof arg1 === 'bigint' && !this.hasPerm(arg1)) return false;
         return (typeof arg1 === 'boolean' && arg1)
@@ -135,7 +139,8 @@ class User implements _User {
         const result = h(password, this._salt, this);
         if (result !== true && result !== this._hash) {
             throw new LoginError(this.uname);
-        } else if (this.hashType !== 'hydro') {
+        }
+        if (this.hashType !== 'hydro') {
             // eslint-disable-next-line @typescript-eslint/no-use-before-define
             UserModel.setPassword(this._id, password);
         }