diff --git a/scripts/init-db.sql b/scripts/init-db.sql
index a6b6739..6885e8a 100644
--- a/scripts/init-db.sql
+++ b/scripts/init-db.sql
@@ -7,23 +7,25 @@
 -- 创建 pgcrypto 扩展 (用于密码哈希等)
 CREATE EXTENSION IF NOT EXISTS pgcrypto;
 
--- 创建 uuid-ossp 扩展 (如果使用 UUID)
--- CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-
 -- 设置时区
 SET timezone = 'UTC';
 
--- 创建性能优化索引 (将在 Prisma 迁移后创建)
--- 这些索引可以在迁移文件中定义，这里作为补充
+-- 授予 blog 用户对 public 模式的所有权限
+-- 这是必要的，因为 Prisma 需要创建表、索引等
+GRANT ALL PRIVILEGES ON SCHEMA public TO blog;
+GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO blog;
+GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO blog;
+GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA public TO blog;
 
--- 示例: 为常用查询字段创建索引
--- CREATE INDEX IF NOT EXISTS idx_user_email ON "User"(email);
--- CREATE INDEX IF NOT EXISTS idx_article_slug ON "Article"(slug);
--- CREATE INDEX IF NOT EXISTS idx_comment_article_status ON "Comment"("articleId", "status");
+-- 确保未来的表也继承权限
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO blog;
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON SEQUENCES TO blog;
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON FUNCTIONS TO blog;
 
 -- 输出完成信息
 DO $$
 BEGIN
     RAISE NOTICE 'Database initialization completed successfully!';
     RAISE NOTICE 'Extensions: pgcrypto';
+    RAISE NOTICE 'Permissions granted to user: blog';
 END $$;