diff --git a/server/routers/kfu-m-24-1/eng-it-lean/dictionaries/dictionaries.json b/server/routers/kfu-m-24-1/eng-it-lean/dictionaries/dictionaries.json
index fd491ec..6cf8fe1 100644
--- a/server/routers/kfu-m-24-1/eng-it-lean/dictionaries/dictionaries.json
+++ b/server/routers/kfu-m-24-1/eng-it-lean/dictionaries/dictionaries.json
@@ -1,25 +1,24 @@
 [
-  { "id": 1, "description": "1000 часто используемых", "imageFilename": "kart1.jpg", "words": [0, 1] },
   {
-    "id": 2,
+    "id": 1,
     "description": "10 слов в Data Science",
     "imageFilename": "kart1.jpg",
     "words": [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
   },
   {
-    "id": 3,
+    "id": 2,
     "description": "Job Interview",
     "imageFilename": "kart1.jpg",
     "words": [13, 14, 15, 16, 17, 18, 19, 20, 21, 22]
   },
 {
-    "id": 4,
+    "id": 3,
     "description": "ReactJS",
     "imageFilename": "kart1.jpg",
     "words": [23, 24, 25, 26, 27, 28, 29, 30, 31, 32]
   },
 {
-    "id": 5,
+    "id": 4,
     "description": "NodeJS",
     "imageFilename": "kart1.jpg",
     "words": [33, 34, 35, 36, 37, 38, 39, 40, 41, 42]
diff --git a/server/routers/kfu-m-24-1/eng-it-lean/units/index.js b/server/routers/kfu-m-24-1/eng-it-lean/units/index.js
index 284556a..d672dcd 100644
--- a/server/routers/kfu-m-24-1/eng-it-lean/units/index.js
+++ b/server/routers/kfu-m-24-1/eng-it-lean/units/index.js
@@ -5,15 +5,16 @@ const router = require('express').Router();
 module.exports = router;
 
 const data = require('./units.json');
-const users = require('../users/users.json');
 router.get('/', (req, res) => {
   // for every data set author from users and save it to authoredData variable
+  const users = require('../users/users.json');
   const authoredData = data.map((unit) => {
     const user = users.find((user) => user.public_id == unit.author);
+    let authoredUnit = undefined;
     if (user) {
-      unit.author = user;
+      authoredUnit = { ...unit, author: user };
     }
-    return unit;
+    return authoredUnit;
   });
 
   res.send(authoredData);
@@ -39,9 +40,8 @@ router.post('/:id', (req, res) => {
 
   data.splice(index, 1);
 
-  data.push(updatedUnit);
+  data.push({...updatedUnit, author: updatedUnit.author.public_id});
 
-  fs.writeFileSync(path.join(__dirname, 'units.json'), JSON.stringify(data));
   res.status(200).send(data); 
 });
 
@@ -61,12 +61,8 @@ router.put('/', (req, res) => {
   }
 
   const newId = data.length + 1;
-  // const filename = newUnit.name.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
-  // fs.writeFileSync(path.join(__dirname, 'data', `${filename}.md`), newUnit.content);
+  data.push({ ...newUnit, id: newId });
 
-  data.push({ ...unit, id: newId });
-
-  fs.writeFileSync(path.join(__dirname, 'units.json'), JSON.stringify(data));
   res.status(200).send(data);
 });
 
@@ -79,11 +75,11 @@ router.delete('/:id', (req, res) => {
   }
 
   data.splice(index, 1);
-  fs.writeFileSync(path.join(__dirname, 'units.json'), JSON.stringify(data));
   res.send({ message: `Unit with ID ${id} deleted` });
 });
 
 router.get('/:id', (req, res) => {
+  const users = require('../users/users.json');
   const id = parseInt(req.params.id);
   const unit = data.find((unit) => unit.id === id);
 
diff --git a/server/routers/kfu-m-24-1/eng-it-lean/users/index.js b/server/routers/kfu-m-24-1/eng-it-lean/users/index.js
index d1598a4..47aca78 100644
--- a/server/routers/kfu-m-24-1/eng-it-lean/users/index.js
+++ b/server/routers/kfu-m-24-1/eng-it-lean/users/index.js
@@ -3,7 +3,7 @@ const fs = require('fs');
 
 module.exports = router;
 
-const data = require('./users.json');
+let data = require('./users.json');
 const path = require('path');
 router.get('/', (req, res) => {
   res.send(data);
@@ -11,20 +11,15 @@ router.get('/', (req, res) => {
 
 router.post('/', (req, res) => {
   const newUser = req.body;
-  const updatedData = [...data, newUser];
-
-  console.log(updatedData);
-  fs.writeFileSync(path.join(__dirname, 'users.json'), JSON.stringify(updatedData));
   
-  res.send(updatedData);
+  data.push(newUser);
+  fs.writeFileSync(path.join(__dirname, 'users.json'), JSON.stringify(data));
+  res.send(data);
 });
 
 router.post('/login', (req, res) => {
   const { email, password } = req.body;
-  console.log(email);
-  console.log(req.body);
   const user = data.find((user) => user.email === email && user.password === password);
-  console.log(user);
 
   if (!user) {
     res.status(404).send('Пользователь не найден');
@@ -34,13 +29,11 @@ router.post('/login', (req, res) => {
 
 router.get('/account', (req, res) => {
   const { public_id } = req.query;
-  console.log(public_id);
   const user = data.find((user) => user.public_id == public_id);
 
   if (!user) {
     res.status(404).send('Пользователь не найден');
   }
-  console.log(user);
   res.send({ ...user, id: -1 });
 });
 
@@ -54,7 +47,6 @@ router.post('/account/save', (req, res) => {
   }
 
   data[index] = { ...data[index], ...updatedUser, id: data[index].id, password: data[index].password };
-
   fs.writeFileSync(path.join(__dirname, 'users.json'), JSON.stringify(data));
 
   res.status(200);