diff --git a/packages/geoip/lib.ts b/packages/geoip/lib.ts
index fe6e3fbd3..20f270b4e 100644
--- a/packages/geoip/lib.ts
+++ b/packages/geoip/lib.ts
@@ -14,7 +14,7 @@ export interface Result {
     display: string
 }
 
-function lookup(ip: string, locale: string) {
+export function lookup(ip: string, locale: string): any {
     const res: any = reader.get(ip);
     if (!res) return {};
     const ret: Result = { display: '' };
@@ -25,11 +25,13 @@ function lookup(ip: string, locale: string) {
             || (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} ${ret.city}`;
+    ret.display = `${ret.continent} ${ret.country}${ret.city ? ` ${ret.city}` : ''}`;
     return ret;
 }
 
-global.Hydro.lib.geoip = exports = {
-    provider: '<a href="http://www.maxmind.com" target="_blank">MaxMind</a>',
+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 e5b4f7f64..3104ed5d6 100644
--- a/packages/geoip/package.json
+++ b/packages/geoip/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/geoip",
-    "version": "1.1.7",
+    "version": "1.1.8",
     "main": "package.json",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <masnn0@outlook.com>",
diff --git a/packages/geoip/test/lib.spec.ts b/packages/geoip/test/lib.spec.ts
new file mode 100644
index 000000000..2e9f2681d
--- /dev/null
+++ b/packages/geoip/test/lib.spec.ts
@@ -0,0 +1,9 @@
+jest.mock('hydrooj/src/loader');
+import * as lib from '@hydrooj/geoip/lib';
+
+describe('geoip', () => {
+    test('MD5', () => {
+        expect(lib.lookup('127.0.0.1', 'zh_CN')).toStrictEqual({});
+        expect(lib.lookup('1.1.1.1', 'zh-CN').display).toStrictEqual('大洋洲 澳大利亚');
+    });
+});
diff --git a/packages/hydrooj/src/model/domain.ts b/packages/hydrooj/src/model/domain.ts
index 2ecef837b..905432a25 100644
--- a/packages/hydrooj/src/model/domain.ts
+++ b/packages/hydrooj/src/model/domain.ts
@@ -55,7 +55,7 @@ export function edit(domainId: string, $set: any) {
     return coll.updateOne({ _id: domainId }, { $set });
 }
 
-export async function inc(domainId: string, field: any, n: number): Promise<number | null> {
+export async function inc(domainId: string, field: keyof DomainDoc, n: number): Promise<number | null> {
     const res = await coll.findOneAndUpdate(
         { _id: domainId },
         // FIXME
diff --git a/packages/hydrooj/test/db.ts b/packages/hydrooj/test/db.ts
index 4cc20d434..319b29a76 100644
--- a/packages/hydrooj/test/db.ts
+++ b/packages/hydrooj/test/db.ts
@@ -1,5 +1,4 @@
-import 'hydrooj/src/utils';
-
+import 'hydrooj';
 jest.mock('hydrooj/src/service/db');
 
 export async function connect() {
@@ -13,8 +12,10 @@ export async function connect() {
 
 export async function dispose() {
     const db = require('hydrooj/src/service/db');
-    await db.getClient().close();
-    await db.getClient2().close();
-    await db.getDb().close();
-    await db.getDb2().close();
+    await Promise.all([
+        db.getClient().close(),
+        db.getClient2().close(),
+        db.getDb().close(),
+        db.getDb2().close(),
+    ]);
 }
diff --git a/packages/hydrooj/test/lib.crypto.spec.ts b/packages/hydrooj/test/lib.crypto.spec.ts
index 526ad49e3..cec6a2cef 100644
--- a/packages/hydrooj/test/lib.crypto.spec.ts
+++ b/packages/hydrooj/test/lib.crypto.spec.ts
@@ -1,8 +1,8 @@
 import 'hydrooj';
+import 'hydrooj/src/utils';
 import md5 from 'hydrooj/src/lib/md5';
 import sha1 from 'hydrooj/src/lib/sha1';
 import pwhash from 'hydrooj/src/lib/hash.hydro';
-import 'hydrooj/src/utils';
 
 describe('crypto', () => {
     const content1 = 'twd2akioi';
diff --git a/packages/hydrooj/tsconfig.json b/packages/hydrooj/tsconfig.json
index 76a66de32..b7bb74453 100644
--- a/packages/hydrooj/tsconfig.json
+++ b/packages/hydrooj/tsconfig.json
@@ -16,6 +16,7 @@
         "src"
     ],
     "exclude": [
+        "__mocks__",
         "bin",
         "dist"
     ]