diff --git a/packages/geoip/index.ts b/packages/geoip/index.ts
new file mode 100644
index 000000000..165073318
--- /dev/null
+++ b/packages/geoip/index.ts
@@ -0,0 +1,34 @@
+import fs from 'fs';
+import { Reader } from 'maxmind';
+import { Context, findFileSync, Service } from 'hydrooj';
+
+const buffer = fs.readFileSync(findFileSync('@hydrooj/geoip/GeoLite2-City.mmdb'));
+const reader = new Reader(buffer);
+
+export interface Result {
+    location?: string,
+    continent?: string,
+    country?: string,
+    city?: string,
+    display: string
+}
+
+export function apply() {
+    Context.service('geoip', class GeoIPService extends Service {
+        provider = '<a href="http://www.maxmind.com" target="_blank">MaxMind</a>';
+        lookup(ip: string, locale: string): Result {
+            const res: any = reader.get(ip);
+            if (!res) return { display: 'Unknown address'.translate(locale) };
+            const ret: Result = { display: '' };
+            if (res.location) ret.location = res.location;
+            if (res.continent) ret.continent = res.continent.names[locale] || res.continent.names.en;
+            if (res.country || res.registered_country) {
+                ret.country = (res.country || res.registered_country).names[locale]
+                    || (res.country || res.registered_country).names.en;
+            }
+            if (res.city) ret.city = res.city.names[locale] || res.city.names.en;
+            ret.display = `${ret.continent} ${ret.country}${ret.city ? ` ${ret.city}` : ''}`;
+            return ret;
+        }
+    });
+}
diff --git a/packages/geoip/lib.ts b/packages/geoip/lib.ts
deleted file mode 100644
index dd6fe6118..000000000
--- a/packages/geoip/lib.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import 'hydrooj';
-
-import fs from 'fs';
-import { Reader } from 'maxmind';
-import { findFileSync } from '@hydrooj/utils/lib/utils';
-
-const buffer = fs.readFileSync(findFileSync('@hydrooj/geoip/GeoLite2-City.mmdb'));
-const reader = new Reader(buffer);
-
-export interface Result {
-    location?: string,
-    continent?: string,
-    country?: string,
-    city?: string,
-    display: string
-}
-
-export function lookup(ip: string, locale: string): Result {
-    const res: any = reader.get(ip);
-    if (!res) return { display: 'Unknown address'.translate(locale) };
-    const ret: Result = { display: '' };
-    if (res.location) ret.location = res.location;
-    if (res.continent) ret.continent = res.continent.names[locale] || res.continent.names.en;
-    if (res.country || res.registered_country) {
-        ret.country = (res.country || res.registered_country).names[locale]
-            || (res.country || res.registered_country).names.en;
-    }
-    if (res.city) ret.city = res.city.names[locale] || res.city.names.en;
-    ret.display = `${ret.continent} ${ret.country}${ret.city ? ` ${ret.city}` : ''}`;
-    return ret;
-}
-
-export const provider = '<a href="http://www.maxmind.com" target="_blank">MaxMind</a>';
-
-global.Hydro.lib.geoip = { provider, lookup };
diff --git a/packages/geoip/package.json b/packages/geoip/package.json
index 0eb7171f0..53e447854 100644
--- a/packages/geoip/package.json
+++ b/packages/geoip/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/geoip",
     "version": "1.2.3",
-    "main": "package.json",
+    "main": "index.ts",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",
     "license": "AGPL-3.0-or-later",
@@ -11,8 +11,5 @@
     "preferUnplugged": true,
     "scripts": {
         "prepublish": "./download.sh"
-    },
-    "peerDependencies": {
-        "hydrooj": "*"
     }
 }
diff --git a/packages/hydrooj/src/context.ts b/packages/hydrooj/src/context.ts
index e16f0f2c8..45420557d 100644
--- a/packages/hydrooj/src/context.ts
+++ b/packages/hydrooj/src/context.ts
@@ -1,6 +1,6 @@
 import * as cordis from 'cordis';
 import Schema from 'schemastery';
-import { ModuleInterfaces } from './interface';
+import { GeoIP, ModuleInterfaces } from './interface';
 import { inject } from './lib/ui';
 import { Loader } from './loader';
 import { EventMap } from './service/bus';
@@ -33,6 +33,7 @@ export interface Context {
     inject: typeof inject;
     api: ApiMixin;
     broadcast: Context['emit'];
+    geoip?: GeoIP;
 }
 
 export class Context extends cordis.Context {
diff --git a/packages/hydrooj/src/handler/home.ts b/packages/hydrooj/src/handler/home.ts
index 4ad8f2c23..d89923c9e 100644
--- a/packages/hydrooj/src/handler/home.ts
+++ b/packages/hydrooj/src/handler/home.ts
@@ -1,6 +1,7 @@
 import yaml from 'js-yaml';
 import { ObjectID } from 'mongodb';
 import { camelCase } from '@hydrooj/utils/lib/utils';
+import { Context } from '../context';
 import {
     BlacklistedError, DomainAlreadyExistsError, InvalidTokenError,
     NotFoundError, PermissionError, UserAlreadyExistError,
@@ -9,6 +10,7 @@ import {
 import { DomainDoc, MessageDoc, Setting } from '../interface';
 import avatar from '../lib/avatar';
 import * as mail from '../lib/mail';
+import * as useragent from '../lib/useragent';
 import { isDomainId, isEmail, isPassword } from '../lib/validator';
 import BlackListModel from '../model/blacklist';
 import { PERM, PRIV } from '../model/builtin';
@@ -28,8 +30,6 @@ import {
 } from '../service/server';
 import { md5 } from '../utils';
 
-const { geoip, useragent } = global.Hydro.lib;
-
 export class HomeHandler extends Handler {
     uids = new Set<number>();
 
@@ -147,6 +147,7 @@ export class HomeHandler extends Handler {
     }
 }
 
+let geoip: Context['geoip'] = null;
 class HomeSecurityHandler extends Handler {
     async get() {
         // TODO(iceboy): pagination? or limit session count for uid?
@@ -154,17 +155,18 @@ class HomeSecurityHandler extends Handler {
         for (const session of sessions) {
             session.isCurrent = session._id === this.session._id;
             session._id = md5(session._id);
-            if (useragent) session.updateUa = useragent.parse(session.updateUa || session.createUa || '');
-            if (geoip) {
-                session.updateGeoip = geoip.lookup(
-                    session.updateIp || session.createIp,
-                    this.translate('geoip_locale'),
-                );
-            }
+            session.updateUa = useragent.parse(session.updateUa || session.createUa || '');
+            session.updateGeoip = geoip?.lookup?.(
+                session.updateIp || session.createIp,
+                this.translate('geoip_locale'),
+            );
         }
         this.response.template = 'home_security.html';
-        this.response.body = { sessions, geoipProvider: geoip?.provider };
-        if (useragent) this.response.body.icon = useragent.icon;
+        this.response.body = {
+            sessions,
+            geoipProvider: geoip?.provider,
+            icon: useragent.icon,
+        };
     }
 
     @param('current', Types.String)
@@ -432,7 +434,10 @@ class HomeMessagesConnectionHandler extends ConnectionHandler {
     }
 }
 
-export async function apply(ctx) {
+export async function apply(ctx: Context) {
+    ctx.using(['geoip'], (g) => {
+        geoip = g.geoip;
+    });
     ctx.Route('homepage', '/', HomeHandler);
     ctx.Route('home_security', '/home/security', HomeSecurityHandler, PRIV.PRIV_USER_PROFILE);
     ctx.Route('user_changemail_with_code', '/home/changeMail/:code', UserChangemailWithCodeHandler, PRIV.PRIV_USER_PROFILE);
diff --git a/packages/hydrooj/src/interface.ts b/packages/hydrooj/src/interface.ts
index f81f08872..26c2d739d 100644
--- a/packages/hydrooj/src/interface.ts
+++ b/packages/hydrooj/src/interface.ts
@@ -671,18 +671,17 @@ export interface ProblemSearchOptions {
 export type ProblemSearch = (domainId: string, q: string, options?: ProblemSearchOptions) => Promise<ProblemSearchResponse>;
 
 export interface Lib extends Record<string, any> {
-    difficulty: typeof import('./lib/difficulty'),
-    buildContent: typeof import('./lib/content').buildContent,
-    i18n: typeof import('./lib/i18n'),
-    mail: typeof import('./lib/mail'),
-    paginate: typeof import('./lib/paginate'),
-    rank: typeof import('./lib/rank'),
-    rating: typeof import('./lib/rating'),
-    testdataConfig: typeof import('./lib/testdataConfig'),
-    useragent: typeof import('./lib/useragent'),
-    validator: typeof import('./lib/validator'),
-    template?: any,
-    geoip?: GeoIP,
+    difficulty: typeof import('./lib/difficulty');
+    buildContent: typeof import('./lib/content').buildContent;
+    i18n: typeof import('./lib/i18n');
+    mail: typeof import('./lib/mail');
+    paginate: typeof import('./lib/paginate');
+    rank: typeof import('./lib/rank');
+    rating: typeof import('./lib/rating');
+    testdataConfig: typeof import('./lib/testdataConfig');
+    useragent: typeof import('./lib/useragent');
+    validator: typeof import('./lib/validator');
+    template?: any;
     problemSearch: ProblemSearch;
 }