diff --git a/src/controllers/index.js b/src/controllers/index.js
index 8298dd3..9748703 100644
--- a/src/controllers/index.js
+++ b/src/controllers/index.js
@@ -1,6 +1,6 @@
 import users from './users'
 
-exports = module.exports = function Controllers (app) {
+exports = module.exports = function Controllers(app) {
   app
     .use(users.routes())
     .use(users.allowedMethods())
diff --git a/src/controllers/users.js b/src/controllers/users.js
index 1e08930..29f6ee7 100644
--- a/src/controllers/users.js
+++ b/src/controllers/users.js
@@ -1,5 +1,4 @@
 import Router from 'koa-router'
-import config from '../../config/config'
 
 const router = new Router({ prefix: '/users' })
 
diff --git a/src/utils/index.js b/src/utils/index.js
index a02b8bc..4f26450 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -1,7 +1,7 @@
 export function errorMiddleware() {
   return async (ctx, next) => {
     try {
-      await next();
+      await next()
     } catch (err) {
       ctx.status = err.status || 500
       ctx.body = err.message