diff --git a/server/routers/procurement/config/db.js b/server/routers/procurement/config/db.js
index 31e7ae4..0e3adf3 100644
--- a/server/routers/procurement/config/db.js
+++ b/server/routers/procurement/config/db.js
@@ -2,10 +2,10 @@ const mongoose = require('mongoose');
 
 const connectDB = async () => {
   try {
-    const mongoUri = process.env.MONGODB_URI || 'mongodb://localhost:27017/procurement_db';
+    const mongoUri = process.env.MONGODB_URI || 'mongodb://admin:password@localhost:27017/procurement_db?authSource=admin';
     
     console.log('\n📡 Попытка подключения к MongoDB...');
-    console.log(`   URI: ${mongoUri}`);
+    console.log(`   URI: ${mongoUri.replace(/\/\/:.*@/, '//***:***@')}`);
     
     const connection = await mongoose.connect(mongoUri, {
       useNewUrlParser: true,
diff --git a/server/routers/procurement/index.js b/server/routers/procurement/index.js
index 1f29b3d..fdbc8fd 100644
--- a/server/routers/procurement/index.js
+++ b/server/routers/procurement/index.js
@@ -43,7 +43,7 @@ const initializeApp = async () => {
     // Запустить миграции после успешного подключения
     if (dbConnected) {
       try {
-        await runMigrations();
+        await runMigrations(false);
         migrationsCompleted = true;
       } catch (migrationError) {
         console.error('⚠️  Migrations failed but app will continue:', migrationError.message);
diff --git a/server/routers/procurement/scripts/init-database.js b/server/routers/procurement/scripts/init-database.js
index 819bbff..afae63b 100644
--- a/server/routers/procurement/scripts/init-database.js
+++ b/server/routers/procurement/scripts/init-database.js
@@ -2,7 +2,7 @@ const mongoose = require('mongoose');
 const { migrateCompanies } = require('./migrate-companies');
 require('dotenv').config({ path: '../../.env' });
 
-const mongoUrl = process.env.MONGODB_URI || 'mongodb://localhost:27017/procurement_db';
+const mongoUrl = process.env.MONGODB_URI || 'mongodb://admin:password@localhost:27017/procurement_db?authSource=admin';
 
 // Migration history model
 const migrationSchema = new mongoose.Schema({
diff --git a/server/routers/procurement/scripts/migrate-messages.js b/server/routers/procurement/scripts/migrate-messages.js
index 56a877e..dba2b66 100644
--- a/server/routers/procurement/scripts/migrate-messages.js
+++ b/server/routers/procurement/scripts/migrate-messages.js
@@ -6,14 +6,17 @@ const mongoUrl = process.env.MONGODB_URI || 'mongodb://localhost:27017/procureme
 
 async function migrateMessages() {
   try {
-    console.log('[Migration] Connecting to MongoDB...');
-    await mongoose.connect(mongoUrl, {
-      useNewUrlParser: true,
-      useUnifiedTopology: true,
-      serverSelectionTimeoutMS: 5000,
-      connectTimeoutMS: 5000,
-    });
-    console.log('[Migration] Connected to MongoDB');
+    // Check if connection exists, if not connect
+    if (mongoose.connection.readyState === 0) {
+      console.log('[Migration] Connecting to MongoDB...');
+      await mongoose.connect(mongoUrl, {
+        useNewUrlParser: true,
+        useUnifiedTopology: true,
+        serverSelectionTimeoutMS: 5000,
+        connectTimeoutMS: 5000,
+      });
+      console.log('[Migration] Connected to MongoDB');
+    }
 
     // Найти все сообщения
     const allMessages = await Message.find().exec();
@@ -81,9 +84,6 @@ async function migrateMessages() {
     console.log('[Migration] ✅ Migration completed!');
     console.log('[Migration] Fixed:', fixedCount, 'messages');
     console.log('[Migration] Errors:', errorCount);
-
-    await mongoose.connection.close();
-    console.log('[Migration] Disconnected from MongoDB');
   } catch (err) {
     console.error('[Migration] ❌ Error:', err.message);
     throw err;
diff --git a/server/routers/procurement/scripts/run-migrations.js b/server/routers/procurement/scripts/run-migrations.js
index d2dde49..1c59fbc 100644
--- a/server/routers/procurement/scripts/run-migrations.js
+++ b/server/routers/procurement/scripts/run-migrations.js
@@ -4,7 +4,7 @@ const { migrateMessages } = require('./migrate-messages');
 const { recreateTestUser } = require('./recreate-test-user');
 require('dotenv').config();
 
-const mongoUrl = process.env.MONGODB_URI || 'mongodb://localhost:27017/procurement_db';
+const mongoUrl = process.env.MONGODB_URI || 'mongodb://admin:password@localhost:27017/procurement_db?authSource=admin';
 
 // Migration history model
 const migrationSchema = new mongoose.Schema({
@@ -22,7 +22,7 @@ const migrations = [
   { name: 'recreate-test-user', fn: recreateTestUser }
 ];
 
-async function runMigrations() {
+async function runMigrations(shouldCloseConnection = false) {
   let mongooseConnected = false;
 
   try {
@@ -30,15 +30,20 @@ async function runMigrations() {
     console.log('🚀 Starting Database Migrations');
     console.log('='.repeat(60) + '\n');
 
-    console.log('[Migrations] Connecting to MongoDB...');
-    await mongoose.connect(mongoUrl, {
-      useNewUrlParser: true,
-      useUnifiedTopology: true,
-      serverSelectionTimeoutMS: 5000,
-      connectTimeoutMS: 5000,
-    });
-    mongooseConnected = true;
-    console.log('[Migrations] ✅ Connected to MongoDB\n');
+    // Only connect if not already connected
+    if (mongoose.connection.readyState === 0) {
+      console.log('[Migrations] Connecting to MongoDB...');
+      await mongoose.connect(mongoUrl, {
+        useNewUrlParser: true,
+        useUnifiedTopology: true,
+        serverSelectionTimeoutMS: 5000,
+        connectTimeoutMS: 5000,
+      });
+      mongooseConnected = true;
+      console.log('[Migrations] ✅ Connected to MongoDB\n');
+    } else {
+      console.log('[Migrations] ✅ Using existing MongoDB connection\n');
+    }
 
     for (const migration of migrations) {
       console.log(`[${migration.name}] Starting...`);
@@ -67,22 +72,17 @@ async function runMigrations() {
 
         console.log(`[${migration.name}] ✅ Completed and recorded\n`);
       } catch (error) {
-        // Обработка ошибок аутентификации и других ошибок
-        if (error.message && error.message.includes('authentication')) {
-          console.warn(`[${migration.name}] ⚠️  Skipped (authentication required): ${error.message}\n`);
-        } else {
-          console.error(`[${migration.name}] ❌ Error: ${error.message}\n`);
+        console.error(`[${migration.name}] ❌ Error: ${error.message}\n`);
 
-          // Record failed migration
-          try {
-            await Migration.create({
-              name: migration.name,
-              status: 'failed',
-              message: error.message
-            });
-          } catch (recordErr) {
-            // Ignore if we can't record the failure
-          }
+        // Record failed migration
+        try {
+          await Migration.create({
+            name: migration.name,
+            status: 'failed',
+            message: error.message
+          });
+        } catch (recordErr) {
+          // Ignore if we can't record the failure
         }
       }
     }
@@ -92,17 +92,14 @@ async function runMigrations() {
     console.log('='.repeat(60) + '\n');
 
   } catch (error) {
-    // Обработка ошибок подключения
-    if (error.message && error.message.includes('authentication')) {
-      console.warn('\n⚠️  Database authentication required - migrations skipped');
-      console.warn('This is normal if the database is shared with other projects.\n');
-    } else {
-      console.error('\n❌ Fatal migration error:', error.message);
-      console.error(error);
+    console.error('\n❌ Fatal migration error:', error.message);
+    console.error(error);
+    if (shouldCloseConnection) {
       process.exit(1);
     }
   } finally {
-    if (mongooseConnected) {
+    // Only close connection if we created it and requested to close
+    if (mongooseConnected && shouldCloseConnection) {
       await mongoose.connection.close();
       console.log('[Migrations] Disconnected from MongoDB\n');
     }
@@ -113,7 +110,7 @@ module.exports = { runMigrations, Migration };
 
 // Run directly if called as script
 if (require.main === module) {
-  runMigrations().catch(err => {
+  runMigrations(true).catch(err => {
     console.error('Migration failed:', err);
     process.exit(1);
   });
diff --git a/server/utils/const.ts b/server/utils/const.ts
index 3ab73e4..70afa42 100644
--- a/server/utils/const.ts
+++ b/server/utils/const.ts
@@ -1,4 +1,4 @@
 import 'dotenv/config';
 
 // Connection URL
-export const mongoUrl = process.env.MONGO_ADDR || 'mongodb://localhost:27017'
+export const mongoUrl = process.env.MONGO_ADDR || 'mongodb://admin:password@localhost:27017/procurement_db?authSource=admin';