fix

app/controllers/post.js

@@ -7,7 +7,7 @@
 const express = require('express');
 const multer = require('multer');
 
-const { SiteController, SiteError, SiteAsync } = require('../../lib/site-lib');
+const { SiteController, SiteError } = require('../../lib/site-lib');
 
 class PostController extends SiteController {