diff --git a/backend/package.json b/backend/package.json
index 848d22a..1616aed 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "dev": "bun --watch src/main.ts",
     "dev:compose": "cp ../bun.lockb . && docker compose -f docker-compose.dev.yml up --build",
-    "build": "bun build index.ts --outdir dist --target bun",
+    "build": "bun build src/main.ts --outdir dist --target bun",
     "start": "bun dist/main.js",
     "generate": "drizzle-kit generate",
     "migrate": "bun src/db/migrate.ts",
diff --git a/backend/src/db/models.ts b/backend/src/db/models.ts
index 500f838..bda507f 100644
--- a/backend/src/db/models.ts
+++ b/backend/src/db/models.ts
@@ -4,7 +4,7 @@ import {
   type InferInsertModel,
   type InferSelectModel,
 } from "drizzle-orm";
-import { blob, integer, sqliteTable, text } from "drizzle-orm/sqlite-core";
+import { integer, sqliteTable, text } from "drizzle-orm/sqlite-core";
 import { nanoid } from "nanoid";
 import type { ServerBackupSchema } from "../schemas/server.schema";
 
diff --git a/backend/src/lib/dbms/postgres.ts b/backend/src/lib/dbms/postgres.ts
index 1b39bf7..393bd25 100644
--- a/backend/src/lib/dbms/postgres.ts
+++ b/backend/src/lib/dbms/postgres.ts
@@ -44,7 +44,7 @@ class PostgresDbms extends BaseDbms {
   }
 
   private get dbUrl() {
-    const { user, pass, host } = this.config;
+    const { user, pass = "", host } = this.config;
     const port = this.config.port || 5432;
     return `postgresql://${user}:${urlencode(pass)}@${host}:${port}`;
   }
diff --git a/backend/src/services/backup.service.ts b/backend/src/services/backup.service.ts
index 2c829ed..739a104 100644
--- a/backend/src/services/backup.service.ts
+++ b/backend/src/services/backup.service.ts
@@ -8,7 +8,6 @@ import type {
 import { and, count, desc, eq, inArray } from "drizzle-orm";
 import DatabaseService from "./database.service";
 import { HTTPException } from "hono/http-exception";
-import ServerService from "./server.service";
 
 export default class BackupService {
   private databaseService = new DatabaseService();
diff --git a/backend/src/test.ts b/backend/src/test.ts
deleted file mode 100644
index 771f8f2..0000000
--- a/backend/src/test.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-import DatabaseUtil from "../lib/database-util";
-import { DOCKER_HOST, BACKUP_DIR } from "../consts";
-import { mkdir } from "../utility/utils";
-import path from "path";
-
-const main = async () => {
-  try {
-    const db = new DatabaseUtil({
-      type: "postgres",
-      host: DOCKER_HOST,
-      user: "postgres",
-      pass: "postgres",
-      port: 5432,
-    });
-
-    const databases = await db.getDatabases();
-    console.log(databases);
-
-    const dbName = "test";
-
-    // Create backup
-    const outDir = path.join(BACKUP_DIR, db.config.host, dbName);
-    mkdir(outDir);
-    const outFile = path.join(outDir, `/${Date.now()}.tar`);
-    console.log(await db.dump(dbName, outFile));
-    console.log(outFile);
-
-    // Restore backup
-    console.log(await db.restore(outFile));
-  } catch (err) {
-    console.log((err as any).message);
-  }
-};
-
-main();