diff --git a/package-lock.json b/package-lock.json
index ca384a6..d897061 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,6 @@
         "@vitejs/plugin-react": "^5.1.1",
         "@vitest/coverage-v8": "^4.0.18",
         "autoprefixer": "^10.4.27",
-        "dotenv": "^17.3.1",
         "electron": "^39.2.6",
         "electron-builder": "^26.0.12",
         "electron-vite": "^5.0.0",
@@ -5592,19 +5591,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/dotenv": {
-      "version": "17.3.1",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.3.1.tgz",
-      "integrity": "sha512-IO8C/dzEb6O3F9/twg6ZLXz164a2fhTnEWb95H23Dm4OuN+92NmEAlTrupP9VW6Jm3sO26tQlqyvyi4CsnY9GA==",
-      "dev": true,
-      "license": "BSD-2-Clause",
-      "engines": {
-        "node": ">=12"
-      },
-      "funding": {
-        "url": "https://dotenvx.com"
-      }
-    },
     "node_modules/dotenv-expand": {
       "version": "11.0.7",
       "resolved": "https://registry.npmjs.org/dotenv-expand/-/dotenv-expand-11.0.7.tgz",
@@ -11905,7 +11891,6 @@
       "integrity": "sha512-5C1sg4USs1lfG0GFb2RLXsdpXqBSEhAaA/0kPL01wxzpMqLILNxIxIOKiILz+cdg/pLnOUxFYOR5yhHU666wbw==",
       "devOptional": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "~0.27.0",
         "get-tsconfig": "^4.7.5"
@@ -11927,7 +11912,6 @@
       "cpu": [
         "ppc64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -11944,7 +11928,6 @@
       "cpu": [
         "arm"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -11961,7 +11944,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -11978,7 +11960,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -11995,7 +11976,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12012,7 +11992,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12029,7 +12008,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12046,7 +12024,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12063,7 +12040,6 @@
       "cpu": [
         "arm"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12080,7 +12056,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12097,7 +12072,6 @@
       "cpu": [
         "ia32"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12114,7 +12088,6 @@
       "cpu": [
         "loong64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12131,7 +12104,6 @@
       "cpu": [
         "mips64el"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12148,7 +12120,6 @@
       "cpu": [
         "ppc64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12165,7 +12136,6 @@
       "cpu": [
         "riscv64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12182,7 +12152,6 @@
       "cpu": [
         "s390x"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12199,7 +12168,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12216,7 +12184,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12233,7 +12200,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12250,7 +12216,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12267,7 +12232,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12284,7 +12248,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12301,7 +12264,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12318,7 +12280,6 @@
       "cpu": [
         "arm64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12335,7 +12296,6 @@
       "cpu": [
         "ia32"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12352,7 +12312,6 @@
       "cpu": [
         "x64"
       ],
-      "dev": true,
       "license": "MIT",
       "optional": true,
       "os": [
@@ -12408,7 +12367,6 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
       "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
-      "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
       "optional": true,
diff --git a/src/main/services/user/migration/run-migration.ts b/src/main/services/user/migration/run-migration.ts
index 2cd86fb..66f529b 100644
--- a/src/main/services/user/migration/run-migration.ts
+++ b/src/main/services/user/migration/run-migration.ts
@@ -46,7 +46,11 @@ function loadConfig(filePath: string): {
   const content = fs.readFileSync(filePath, 'utf-8')
   const parsed = yaml.load(content) as Record<string, unknown>
 
-  const result = mysqlConfigSchema.parse(parsed?.database?.mysql)
+  // Safely extract database.mysql config
+  const database = parsed?.database as Record<string, unknown> | undefined
+  const mysql = database?.mysql as Record<string, unknown> | undefined
+
+  const result = mysqlConfigSchema.parse(mysql)
   return result
 }