diff --git a/lib/api_router.js b/lib/api_router.js
index 4afc4ae9e6..b452d60666 100644
--- a/lib/api_router.js
+++ b/lib/api_router.js
@@ -1,11 +1,11 @@
 const Router = require('@koa/router');
 const router = new Router();
-const maintainer = require('./maintainer');
 
 router.get('/routes/:name?', (ctx) => {
     const result = {};
     let counter = 0;
 
+    const maintainer = require('./maintainer');
     Object.keys(maintainer).forEach((i) => {
         const path = i;
         const top = path.split('/')[1];
diff --git a/lib/maintainer.js b/lib/maintainer.js
index 99edd32c35..610215d531 100644
--- a/lib/maintainer.js
+++ b/lib/maintainer.js
@@ -27,7 +27,7 @@ for (const dir in maintainerPath) {
         throw Error(`No maintainer in "${dir}".`);
     }
     for (const author of Object.values(routes)) {
-        if (typeof author === 'string') {
+        if (!Array.isArray(author)) {
             throw Error(`Maintainers' name should be an array in "${dir}".`);
         }
         // check for [], [''] or ['Someone', '']
diff --git a/test/router.js b/test/router.js
index f62516341b..5cbe816a78 100644
--- a/test/router.js
+++ b/test/router.js
@@ -98,7 +98,7 @@ describe('router', () => {
             },
             message: 'request returned 1 route',
         });
-    });
+    }, 30000);
     it(`/api/routes`, async () => {
         const response = await request.get('/api/routes');
         expect(response.status).toBe(200);
diff --git a/test/utils/rand-user-agent.js b/test/utils/rand-user-agent.js
index 8efbc71c3d..eefab0b625 100644
--- a/test/utils/rand-user-agent.js
+++ b/test/utils/rand-user-agent.js
@@ -26,15 +26,15 @@ describe('rand-user-agent', () => {
     });
 
     it('should match ua configurated', async () => {
-        const response1 = await got('https://www.whatsmyua.info/api/v1/ua');
-        expect(response1.data[0].ua.rawUa).toBe(config.ua);
+        const response1 = await got('https://httpbingo.org/user-agent');
+        expect(response1.data['user-agent']).toBe(config.ua);
 
-        const response2 = await got('https://www.whatsmyua.info/api/v1/ua', {
+        const response2 = await got('https://httpbingo.org/user-agent', {
             headers: {
                 'user-agent': mobileUa,
             },
         });
-        expect(response2.data[0].ua.rawUa).toBe(mobileUa);
-        expect(response2.data[0].ua.rawUa).not.toBe(config.ua);
+        expect(response2.data['user-agent']).toBe(mobileUa);
+        expect(response2.data['user-agent']).not.toBe(config.ua);
     });
 });