diff --git a/src/main/services/config/config-manager.ts b/src/main/services/config/config-manager.ts
index 24985c1..1281c7a 100644
--- a/src/main/services/config/config-manager.ts
+++ b/src/main/services/config/config-manager.ts
@@ -9,6 +9,7 @@ import * as fs from 'fs'
 import * as path from 'path'
 import { fileURLToPath } from 'url'
 import { dirname } from 'path'
+import { createLogger } from '../logger'
 import type {
   SettingsData,
   DatabaseType,
@@ -16,6 +17,8 @@ import type {
   ValidationDataSource
 } from '../../types/settings.types'
 
+const log = createLogger('ConfigManager')
+
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = dirname(__filename)
 
@@ -609,12 +612,12 @@ export class ConfigManager {
     try {
       if (fs.existsSync(this.envPath)) {
         fs.copyFileSync(this.envPath, this.backupPath)
-        console.log('[ConfigManager] Backup created', this.backupPath)
+        log.debug('Backup created', { path: this.backupPath })
         return true
       }
       return false
     } catch (error) {
-      console.error('[ConfigManager] Failed to backup .env file:', error)
+      log.error('Failed to backup .env file', { error })
       return false
     }
   }
@@ -627,12 +630,12 @@ export class ConfigManager {
       if (fs.existsSync(this.backupPath)) {
         fs.copyFileSync(this.backupPath, this.envPath)
         await this.loadEnvFile()
-        console.log('[ConfigManager] Restored from backup')
+        log.debug('Restored from backup')
         return true
       }
       return false
     } catch (error) {
-      console.error('[ConfigManager] Failed to restore backup:', error)
+      log.error('Failed to restore backup', { error })
       return false
     }
   }
diff --git a/tests/main/services/config/config-manager.test.ts b/tests/main/services/config/config-manager.test.ts
index 8847760..37ed857 100644
--- a/tests/main/services/config/config-manager.test.ts
+++ b/tests/main/services/config/config-manager.test.ts
@@ -78,10 +78,10 @@ describe('ConfigManager - backup and restore', () => {
 
     expect(backupSuccess).toBe(true)
 
-    // Check backup file exists (in same location as .env file)
+    // Check backup file exists (in same location as .env file, which is src/main/)
     const fs = await import('fs')
     const path = await import('path')
-    const backupPath = path.resolve('src/main/.env.backup')
+    const backupPath = path.resolve(process.cwd(), 'src/main/.env.backup')
 
     expect(fs.existsSync(backupPath)).toBe(true)
   })