diff --git a/app/Controllers/Http/Api/v1/MeController.ts b/app/Controllers/Http/Api/v1/MeController.ts
index 4fe9b8e..c9db38e 100644
--- a/app/Controllers/Http/Api/v1/MeController.ts
+++ b/app/Controllers/Http/Api/v1/MeController.ts
@@ -96,7 +96,7 @@ export default class MeController extends BaseController {
 
   /**
    * Update contacts of authenticated user
-   * PUT /me/contacts
+   * PATCH /me/contacts
    */
   public async updateContacts(ctx: HttpContextContract) {
     const payload = await ctx.request.validate(UpdateContactsValidator);
diff --git a/app/Repositories/ContactRepository.ts b/app/Repositories/ContactRepository.ts
index 5656d07..73ce764 100644
--- a/app/Repositories/ContactRepository.ts
+++ b/app/Repositories/ContactRepository.ts
@@ -63,12 +63,15 @@ export default class ContactRepository {
     const contacts = await this.Contact.query().where('user_id', user.id).first();
 
     if (contacts) {
-      contacts.phone_number = data.phone_number ?? null;
-      contacts.telegram_id = data.telegram_id?.substring(1) ?? null;
-      contacts.twitter_id = data.twitter_id?.substring(1) ?? null;
-      contacts.vk_id = data.vk_id ?? null;
+      await contacts
+        .merge({
+          phone_number: data.phone_number,
+          telegram_id: data.telegram_id?.substring(1),
+          twitter_id: data.twitter_id?.substring(1),
+          vk_id: data.vk_id,
+        })
+        .save();
 
-      await contacts.save();
       await user.load('contacts');
 
       return contacts;
diff --git a/app/Repositories/LessonRepository.ts b/app/Repositories/LessonRepository.ts
index 9fc4fd6..d655aca 100644
--- a/app/Repositories/LessonRepository.ts
+++ b/app/Repositories/LessonRepository.ts
@@ -1,7 +1,9 @@
+import Drive from '@ioc:Adonis/Core/Drive';
+import { MultipartFileContract } from '@ioc:Adonis/Core/BodyParser';
+
 /**
  * Models
  */
-import Drive from '@ioc:Adonis/Core/Drive';
 import Course from 'App/Models/Course';
 import Lesson from 'App/Models/Lesson';
 import LessonMaterial from 'App/Models/LessonMaterial';
@@ -17,9 +19,12 @@ export default class LessonRepository {
 
   private LessonMaterial: typeof LessonMaterial;
 
+  private Drive: typeof Drive;
+
   constructor() {
     this.Lesson = Lesson;
     this.LessonMaterial = LessonMaterial;
+    this.Drive = Drive;
   }
 
   /**
@@ -91,26 +96,13 @@ export default class LessonRepository {
      */
     await lesson.related('content').create({ video_url: data.video_url });
 
+    /**
+     * Move each file to disk and then save in database
+     */
     if (data.materials) {
-      await Promise.all(
-        data.materials.map(async file => {
-          /**
-           * Move each file to disk and then save in database
-           */
-          await file.moveToDisk('materials');
-          if (file.state === 'moved') {
-            const url = await Drive.getUrl(`materials/${file.fileName}`);
-            await lesson.related('materials').create({
-              name: file.fileName,
-              clientName: file.clientName,
-              ext: file.extname,
-              url,
-            });
-          }
-        })
-      );
+      const tasks = data.materials.map(file => this.saveMaterials(file, lesson));
+      await Promise.all(tasks);
     }
-
     /**
      * Load data
      */
@@ -158,4 +150,17 @@ export default class LessonRepository {
 
     return null;
   }
+
+  public async saveMaterials(file: MultipartFileContract, lesson: Lesson): Promise<void> {
+    await file.moveToDisk('materials');
+    if (file.state === 'moved') {
+      const url = await this.Drive.getUrl(`materials/${file.fileName}`);
+      await lesson.related('materials').create({
+        name: file.fileName,
+        clientName: file.clientName,
+        ext: file.extname,
+        url,
+      });
+    }
+  }
 }
diff --git a/app/Validators/Contacts/UpdateContactsValidator.ts b/app/Validators/Contacts/UpdateContactsValidator.ts
index adb087a..ff3c965 100644
--- a/app/Validators/Contacts/UpdateContactsValidator.ts
+++ b/app/Validators/Contacts/UpdateContactsValidator.ts
@@ -10,7 +10,6 @@ export default class UpdateContactsValidator {
         locales: ['ru-RU', 'en-US'],
         strict: true,
       }),
-      // TODO validate correctly
       rules.unique({ table: 'contacts', column: 'phone_number' }),
     ]),
     vk_id: schema.string.optional({}, [rules.regex(/^([a-zA-Z0-9_]){1,64}$/)]),
diff --git a/routes/apis/v1/me.ts b/routes/apis/v1/me.ts
index 25a6387..840c6d8 100644
--- a/routes/apis/v1/me.ts
+++ b/routes/apis/v1/me.ts
@@ -11,7 +11,7 @@ Route.group(() => {
   Route.patch('/password', 'Api/v1/MeController.changePassword')
     .middleware('role:admin,teacher,student')
     .as('me.change-password');
-  Route.put('/contacts', 'Api/v1/MeController.updateContacts')
+  Route.patch('/contacts', 'Api/v1/MeController.updateContacts')
     .middleware('role:admin,teacher,student')
     .as('me.update-contacts');
 }).prefix('me');