diff --git a/src/routes/sitemap.js b/src/routes/sitemap.js
index 2fdb65ce..82304805 100644
--- a/src/routes/sitemap.js
+++ b/src/routes/sitemap.js
@@ -1,41 +1,41 @@
-import sitemap  from 'sitemap';
-import route  from 'koa-route';
-import {c}  from '../core/db';
-import {getPageUrls as pages}  from '../core/pages';
+import sitemap from 'sitemap';
+import route from 'koa-route';
+import {c} from '../core/db';
+import {getPageUrls as pages} from '../core/pages';
 
 import {homeUrl, sitemapCacheTime} from '../config';
 import menu from '../models/menu';
 
 export default function () {
-    return route.get('/sitemap.xml', async ctx => {
-        let urls = await Promise.all([
-            getMenuUrls(),
-            getPageUrls(),
-            getGalleryUrls(),
-            getTeacherUrls(),
-            getEventsUrls(),
-            getNewsUrls()
-        ]);
-        urls = urls.reduce((urls, i) => urls.concat(i));
+	return route.get('/sitemap.xml', async ctx => {
+		let urls = await Promise.all([
+			getMenuUrls(),
+			getPageUrls(),
+			getGalleryUrls(),
+			getTeacherUrls(),
+			getEventsUrls(),
+			getNewsUrls()
+		]);
+		urls = urls.reduce((urls, i) => urls.concat(i));
 
-        let map = sitemap.createSitemap({
-            hostname: homeUrl,
-            cacheTime: sitemapCacheTime,
-            urls: urls
-        });
+		let map = sitemap.createSitemap({
+			hostname: homeUrl,
+			cacheTime: sitemapCacheTime,
+			urls: urls
+		});
 
-        ctx.set('Content-Type', 'application/xml');
-        ctx.body = map.toString();
-    })
+		ctx.set('Content-Type', 'application/xml');
+		ctx.body = map.toString();
+	})
 };
 
-async function getMenuUrls(frequency='daily') {
-    return menu
-        .filter(i => 'url' in i)
-        .map(i => ({
-            url: i.url,
-            changefreq: frequency
-        }));
+async function getMenuUrls(frequency = 'daily') {
+	return menu
+		.filter(i => 'url' in i)
+		.map(i => ({
+			url: i.url,
+			changefreq: frequency
+		}));
 }
 
 async function getPageUrls(frequency = 'daily') {
@@ -47,53 +47,53 @@ async function getPageUrls(frequency = 'daily') {
 }
 
 async function getGalleryUrls() {
-    let docs = await c('albums')
-        .find({})
-        .toArray();
+	let docs = await c('albums')
+		.find({})
+		.toArray();
 
-    return docs.map(i => {
-        return {
-            url: `/album/${i.id}`,
-            changefreq: 'monthly'
-        }
-    });
+	return docs.map(i => {
+		return {
+			url: `/album/${i.id}`,
+			changefreq: 'monthly'
+		}
+	});
 }
 
 async function getTeacherUrls() {
-    let docs = await c('collective')
-        .find({})
-        .toArray();
+	let docs = await c('collective')
+		.find({})
+		.toArray();
 
-    return docs.map(i => {
-        return {
-            url: `/teacher/${i.id}`,
-            changefreq: 'monthly'
-        }
-    });
+	return docs.map(i => {
+		return {
+			url: `/teacher/${i.id}`,
+			changefreq: 'monthly'
+		}
+	});
 }
 
 async function getEventsUrls() {
-    let docs = await c('events')
-        .find({})
-        .toArray();
+	let docs = await c('events')
+		.find({})
+		.toArray();
 
-    return docs.map(i => {
-        return {
-            url: `/article/${i.id}`,
-            changefreq: 'monthly'
-        }
-    });
+	return docs.map(i => {
+		return {
+			url: `/article/${i.id}`,
+			changefreq: 'monthly'
+		}
+	});
 }
 
 async function getNewsUrls() {
-    let docs = await c('timeline')
-        .find({type: 'post'})
-        .toArray();
+	let docs = await c('timeline')
+		.find({type: 'post'})
+		.toArray();
 
-    return docs.map(i => {
-        return {
-            url: `/article/${i.id}`,
-            changefreq: 'monthly'
-        }
-    });
+	return docs.map(i => {
+		return {
+			url: `/article/${i.id}`,
+			changefreq: 'monthly'
+		}
+	});
 }