diff --git a/packages/backend/src/routers/delete-site.js b/packages/backend/src/routers/delete-site.js
index 7137d48a..66ce2f29 100644
--- a/packages/backend/src/routers/delete-site.js
+++ b/packages/backend/src/routers/delete-site.js
@@ -21,8 +21,9 @@ const express = require('express');
 const router = express.Router();
 const auth = require('../middleware/auth.js');
 const config = require('../config');
+const { DB_WRITE } = require('../services/database/consts.js');
 
-// -----------------------------------------------------------------------// 
+// -----------------------------------------------------------------------//
 // POST /delete-site
 // -----------------------------------------------------------------------//
 router.post('/delete-site', auth, express.json(), async (req, res, next)=>{
@@ -40,12 +41,12 @@ router.post('/delete-site', auth, express.json(), async (req, res, next)=>{
 
     // modules
     const {} = require('../helpers');
-    const db = require('../db/mysql.js')
+    const db = req.services.get('database').get(DB_WRITE, 'subdomains:legacy');
 
-    await db.promise().execute(
-        `DELETE FROM subdomains WHERE user_id = ? AND uuid = ?`, 
+    await db.write(
+        `DELETE FROM subdomains WHERE user_id = ? AND uuid = ?`,
         [req.user.id, req.body.site_uuid]
-    );  
+    );
     res.send({});
 })
 
diff --git a/packages/backend/src/routers/file.js b/packages/backend/src/routers/file.js
index c7ae0a9b..e53f661a 100644
--- a/packages/backend/src/routers/file.js
+++ b/packages/backend/src/routers/file.js
@@ -21,6 +21,7 @@ const express = require('express');
 const router = new express.Router();
 const {validate_signature_auth, get_url_from_req, get_descendants, id2path, get_user, sign_file} = require('../helpers');
 const { DB_WRITE } = require('../services/database/consts');
+const { Context } = require('../util/context');
 
 // -----------------------------------------------------------------------//
 // GET /file
@@ -175,6 +176,7 @@ router.get('/file', async (req, res, next)=>{
         res.writeHead(206, headers);
 
         try{
+            const storage = Context.get('storage');
             let stream = await storage.create_read_stream(fsentry[0].uuid, {
                 bucket: fsentry[0].bucket,
                 bucket_region: fsentry[0].bucket_region,
diff --git a/packages/backend/src/routers/writeFile.js b/packages/backend/src/routers/writeFile.js
index 39c19b41..8d7accfc 100644
--- a/packages/backend/src/routers/writeFile.js
+++ b/packages/backend/src/routers/writeFile.js
@@ -507,7 +507,6 @@ module.exports = eggspress('/writeFile', {
     else{
         // modules
         const {uuid2fsentry, id2path} = require('../helpers')
-        const write = require('../filesystem/operations/write.js');
         const _path = require('path');
 
         // Check if files were uploaded