diff --git a/eslint.config.mjs b/eslint.config.mjs
index 5c30f9d3f..b7cd499a7 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -121,6 +121,8 @@ const config = react({
         // FIXME A bug with eslint-parser
         // 'template-curly-spacing': 'off',
 
+        'e18e/prefer-array-at': 'off',
+
         'style/indent': ['warn', 2, {
             ArrayExpression: 1,
             CallExpression: {
diff --git a/framework/eslint-config/base.mjs b/framework/eslint-config/base.mjs
index c5e55e179..266524317 100644
--- a/framework/eslint-config/base.mjs
+++ b/framework/eslint-config/base.mjs
@@ -58,9 +58,12 @@ const base = (option, ...args) => antfu(
             'default-param-last': 'off',
             'dot-notation': 0,
 
+            'e18e/prefer-array-fill': 'off',
+            'e18e/prefer-array-from-map': 'off',
             'e18e/prefer-array-some': 'off',
             'e18e/prefer-array-to-sorted': 'off',
             'e18e/prefer-static-regex': 'off',
+            'e18e/prefer-timer-args': 'off',
             'eslint-comments/no-unlimited-disable': 'off',
             'func-names': 0,
             'function-call-argument-newline': 0,
diff --git a/packages/hydrojudge/src/hosts/vj4.ts b/packages/hydrojudge/src/hosts/vj4.ts
index 8bdb4ff17..1cd7d22f4 100644
--- a/packages/hydrojudge/src/hosts/vj4.ts
+++ b/packages/hydrojudge/src/hosts/vj4.ts
@@ -287,7 +287,7 @@ export default class VJ4 implements Session {
                 ver = fs.readFileSync(path.join(filePath, 'version')).toString();
             } catch (e) { /* ignore */ }
             if (version === ver) {
-                fs.writeFileSync(path.join(filePath, 'lastUsage'), new Date().getTime().toString());
+                fs.writeFileSync(path.join(filePath, 'lastUsage'), Date.now().toString());
                 return filePath;
             }
             fs.removeSync(filePath);
@@ -295,7 +295,7 @@ export default class VJ4 implements Session {
         fs.ensureDirSync(domainDir);
         await this.problemData(domainId, pid, filePath, 3, next);
         fs.writeFileSync(path.join(filePath, 'version'), version);
-        fs.writeFileSync(path.join(filePath, 'lastUsage'), new Date().getTime().toString());
+        fs.writeFileSync(path.join(filePath, 'lastUsage'), Date.now().toString());
         return filePath;
     }
 
diff --git a/packages/hydrooj/src/entry/cli.ts b/packages/hydrooj/src/entry/cli.ts
index a3c81f57c..a13c6201f 100644
--- a/packages/hydrooj/src/entry/cli.ts
+++ b/packages/hydrooj/src/entry/cli.ts
@@ -77,7 +77,7 @@ async function cli() {
         return console.error(parameters.join(', '));
     }
     for (let i = 0; i < args.length; i++) {
-        if ("'\"".includes(args[i][0]) && "'\"".includes(args[i][args[i].length - 1])) {
+        if ("'\"".includes(args[i][0]) && "'\"".includes(args[i].at(-1))) {
             args[i] = args[i].substr(1, args[i].length - 2);
         } else if (args[i].length === 24 && ObjectId.isValid(args[i])) {
             args[i] = new ObjectId(args[i]);
diff --git a/packages/hydrooj/src/handler/judge.ts b/packages/hydrooj/src/handler/judge.ts
index cf65c0481..8d8bb6c89 100644
--- a/packages/hydrooj/src/handler/judge.ts
+++ b/packages/hydrooj/src/handler/judge.ts
@@ -363,7 +363,7 @@ export async function apply(ctx: Context) {
             assert(Array.isArray(config.subtasks));
             const file = await storage.get(`submission/${rdoc.files.hack.split('#')[0]}`);
             assert(file);
-            const hackSubtask = config.subtasks[config.subtasks.length - 1];
+            const hackSubtask = config.subtasks.at(-1);
             hackSubtask.cases ||= [];
             const input = `hack-${rdoc._id}-${hackSubtask.cases.length + 1}.in`;
             hackSubtask.cases.push({ input, output: '/dev/null' });
diff --git a/packages/hydrooj/src/handler/status.ts b/packages/hydrooj/src/handler/status.ts
index 17f216820..d42db239a 100644
--- a/packages/hydrooj/src/handler/status.ts
+++ b/packages/hydrooj/src/handler/status.ts
@@ -10,7 +10,7 @@ async function getStatus() {
     const stats = await coll.find().sort({ type: 1, updateAt: -1 }).toArray();
     for (const stat of stats) {
         let desc = '';
-        const online = new Date(stat.updateAt).getTime() > new Date().getTime() - 300000;
+        const online = new Date(stat.updateAt).getTime() > Date.now() - 300000;
         if (!online) desc = 'Offline';
         desc ||= 'Online';
         stat.isOnline = online;
diff --git a/packages/hydrooj/src/model/blacklist.ts b/packages/hydrooj/src/model/blacklist.ts
index 255695584..5851ecfa1 100644
--- a/packages/hydrooj/src/model/blacklist.ts
+++ b/packages/hydrooj/src/model/blacklist.ts
@@ -1,7 +1,7 @@
 import moment from 'moment-timezone';
 import { Context } from '../context';
 import db from '../service/db';
-import { ArgMethod } from '../utils';
+import { ArgMethod, Time } from '../utils';
 
 let coll = db.collection('blacklist');
 
@@ -12,7 +12,7 @@ class BlackListModel {
         if (expire === 0) expireAt = moment().add(1000, 'months').toDate();
         else if (typeof expire === 'number') expireAt = moment().add(expire, 'months').toDate();
         else if (expire instanceof Date) expireAt = expire;
-        else expireAt = new Date(new Date().getTime() + 365 * 24 * 60 * 60 * 1000);
+        else expireAt = new Date(Date.now() + 365 * Time.day);
         return await coll.findOneAndUpdate(
             { _id: id },
             { $set: { expireAt } },
diff --git a/packages/hydrooj/src/model/contest.ts b/packages/hydrooj/src/model/contest.ts
index 2a6964180..404261746 100644
--- a/packages/hydrooj/src/model/contest.ts
+++ b/packages/hydrooj/src/model/contest.ts
@@ -78,7 +78,7 @@ export function isLocked(tdoc: Tdoc, time = new Date()) {
 }
 
 export function isExtended(tdoc: Tdoc) {
-    const now = new Date().getTime();
+    const now = Date.now();
     return tdoc.penaltySince.getTime() <= now && now < tdoc.endAt.getTime();
 }
 
diff --git a/packages/hydrooj/src/model/opcount.ts b/packages/hydrooj/src/model/opcount.ts
index 53f229e21..e69d2b255 100644
--- a/packages/hydrooj/src/model/opcount.ts
+++ b/packages/hydrooj/src/model/opcount.ts
@@ -4,7 +4,7 @@ import db from '../service/db';
 const coll = db.collection('opcount');
 
 export async function inc(op: string, ident: string, periodSecs: number, maxOperations: number) {
-    const now = new Date().getTime();
+    const now = Date.now();
     const expireAt = new Date(now - (now % (periodSecs * 1000)) + periodSecs * 1000);
     try {
         const res = await coll.findOneAndUpdate({
diff --git a/packages/hydrooj/src/script/rating.ts b/packages/hydrooj/src/script/rating.ts
index 43cbe94ab..c5a7b42c5 100644
--- a/packages/hydrooj/src/script/rating.ts
+++ b/packages/hydrooj/src/script/rating.ts
@@ -166,13 +166,13 @@ export async function run({ domainId }, report: Report) {
         const domains = await domain.getMulti().toArray();
         await report({ message: `Found ${domains.length} domains` });
         for (const i in domains) {
-            const start = new Date().getTime();
+            const start = Date.now();
             await runInDomain(domains[i]._id, report);
             await report({
                 case: {
                     status: STATUS.STATUS_ACCEPTED,
                     message: `Domain ${domains[i]._id} finished`,
-                    time: new Date().getTime() - start,
+                    time: Date.now() - start,
                     memory: 0,
                     score: 0,
                 },
diff --git a/packages/hydrooj/src/settings.ts b/packages/hydrooj/src/settings.ts
index b26b3d797..edd47f333 100644
--- a/packages/hydrooj/src/settings.ts
+++ b/packages/hydrooj/src/settings.ts
@@ -103,7 +103,7 @@ export class SettingService extends Service {
     async _actualMigrate(schema: Schema<any>) {
         const processNode = async (path: string[], node: Schema<any, any>) => {
             for (const item of node.list || []) await processNode(path, item); // eslint-disable-line no-await-in-loop
-            for (const key in node.dict || {}) await processNode(path.concat(key), node.dict[key]); // eslint-disable-line no-await-in-loop
+            for (const key in node.dict || {}) await processNode([...path, ...key], node.dict[key]); // eslint-disable-line no-await-in-loop
             if (['string', 'number', 'boolean'].includes(node.type)) {
                 const value = this.initialValues[path.join('.')];
                 const migrated = this.initialValues[`${path.join('.')}__migrated`];
@@ -181,10 +181,10 @@ export class SettingService extends Service {
             if (path.some((p) => typeof p === 'symbol')) return currentValue;
             return new Proxy(currentValue, {
                 get(self, key: string) {
-                    return getAccess(path.concat(key));
+                    return getAccess([...path, ...key]);
                 },
                 set(self, p: string | symbol, newValue: any) {
-                    that.setConfig(path.concat(p).join(','), newValue);
+                    that.setConfig([...path, p].join(','), newValue);
                     return true;
                 },
             });
diff --git a/packages/migrate/scripts/hustoj.ts b/packages/migrate/scripts/hustoj.ts
index 12643ab1d..8529c48f8 100644
--- a/packages/migrate/scripts/hustoj.ts
+++ b/packages/migrate/scripts/hustoj.ts
@@ -59,7 +59,7 @@ function fixFileName(fileName: string) {
         const dotAt = fileName.lastIndexOf('.');
         const name = fileName.slice(0, dotAt);
         const suffix = fileName.slice(dotAt + 1);
-        if (!name.match(/[0-9]/)) {
+        if (!/[0-9]/.test(name)) {
             fileName = `${name}0.${suffix}`;
         }
     }
diff --git a/packages/migrate/scripts/jnoj.ts b/packages/migrate/scripts/jnoj.ts
index 4df79ae88..87bb4bf38 100644
--- a/packages/migrate/scripts/jnoj.ts
+++ b/packages/migrate/scripts/jnoj.ts
@@ -65,7 +65,7 @@ function fixFileName(fileName: string) {
         const dotAt = fileName.lastIndexOf('.');
         const name = fileName.slice(0, dotAt);
         const suffix = fileName.slice(dotAt + 1);
-        if (!name.match(/[0-9]/)) {
+        if (!/[0-9]/.test(name)) {
             fileName = `${name}0.${suffix}`;
         }
     }
diff --git a/packages/ui-default/components/highlighter/prismjs.js b/packages/ui-default/components/highlighter/prismjs.js
index c9dfb17a0..6ecec9bc8 100644
--- a/packages/ui-default/components/highlighter/prismjs.js
+++ b/packages/ui-default/components/highlighter/prismjs.js
@@ -66,12 +66,12 @@ const invisibles = {
 function addInvisibles(grammar) {
   if (!grammar || grammar.tab) return;
   for (const name in invisibles) {
-    if (Object.prototype.hasOwnProperty.call(invisibles, name)) {
+    if (Object.hasOwn(invisibles, name)) {
       grammar[name] = invisibles[name];
     }
   }
   for (const name in grammar) {
-    if (Object.prototype.hasOwnProperty.call(grammar, name) && !invisibles[name]) {
+    if (Object.hasOwn(grammar, name) && !invisibles[name]) {
       if (name === 'rest') addInvisibles(grammar.rest);
       else handlerInvisiblesToken(grammar, name); // eslint-disable-line ts/no-use-before-define
     }
diff --git a/packages/vjudge/src/index.ts b/packages/vjudge/src/index.ts
index 536485fbd..283cda16d 100644
--- a/packages/vjudge/src/index.ts
+++ b/packages/vjudge/src/index.ts
@@ -58,7 +58,7 @@ class AccountService {
             if (langConfig.validAs?.[this.account.type]) task.lang = langConfig.validAs[this.account.type];
             const comment = langConfig.comment;
             if (comment && !this.Provider.noComment) {
-                const msg = `Hydro submission #${task.rid}@${new Date().getTime()}`;
+                const msg = `Hydro submission #${task.rid}@${Date.now()}`;
                 if (typeof comment === 'string') task.code = `${comment} ${msg}\n${task.code}`;
                 else if (comment instanceof Array) task.code = `${comment[0]} ${msg} ${comment[1]}\n${task.code}`;
             }