diff --git a/prisma/migrations/20230306094642_initial_migration/migration.sql b/prisma/migrations/20230307134436_/migration.sql
similarity index 69%
rename from prisma/migrations/20230306094642_initial_migration/migration.sql
rename to prisma/migrations/20230307134436_/migration.sql
index 17bc432..7d2bf54 100644
--- a/prisma/migrations/20230306094642_initial_migration/migration.sql
+++ b/prisma/migrations/20230307134436_/migration.sql
@@ -18,6 +18,7 @@ CREATE TABLE `Author` (
     `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
     `updated_at` DATETIME(3) NOT NULL,
 
+    UNIQUE INDEX `Author_fullname_key`(`fullname`),
     PRIMARY KEY (`id`)
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
@@ -26,7 +27,10 @@ CREATE TABLE `Painting` (
     `id` INTEGER NOT NULL AUTO_INCREMENT,
     `name` VARCHAR(191) NOT NULL,
     `image_url` VARCHAR(191) NOT NULL,
+    `link` VARCHAR(191) NOT NULL,
+    `musuemId` INTEGER NULL,
 
+    UNIQUE INDEX `Painting_name_key`(`name`),
     PRIMARY KEY (`id`)
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
@@ -38,6 +42,20 @@ CREATE TABLE `PaintingAuthor` (
     PRIMARY KEY (`painting_id`, `author_id`)
 ) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
+-- CreateTable
+CREATE TABLE `Musuem` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `name` VARCHAR(191) NOT NULL,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    `updated_at` DATETIME(3) NOT NULL,
+
+    UNIQUE INDEX `Musuem_name_key`(`name`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `Painting` ADD CONSTRAINT `Painting_musuemId_fkey` FOREIGN KEY (`musuemId`) REFERENCES `Musuem`(`id`) ON DELETE SET NULL ON UPDATE CASCADE;
+
 -- AddForeignKey
 ALTER TABLE `PaintingAuthor` ADD CONSTRAINT `PaintingAuthor_painting_id_fkey` FOREIGN KEY (`painting_id`) REFERENCES `Painting`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
 
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 4de02ae..a18e9b3 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -18,7 +18,7 @@ model User {
 
 model Author {
     id             Int              @id @default(autoincrement())
-    fullname       String
+    fullname       String           @unique
     created_at     DateTime         @default(now())
     updated_at     DateTime         @updatedAt
     PaintingAuthor PaintingAuthor[]
@@ -26,9 +26,12 @@ model Author {
 
 model Painting {
     id             Int              @id @default(autoincrement())
-    name           String
+    name           String           @unique
     image_url      String
+    link           String
     PaintingAuthor PaintingAuthor[]
+    Musuem         Musuem?          @relation(fields: [musuemId], references: [id])
+    musuemId       Int?
 }
 
 model PaintingAuthor {
@@ -39,3 +42,11 @@ model PaintingAuthor {
 
     @@id([painting_id, author_id])
 }
+
+model Musuem {
+    id         Int        @id @default(autoincrement())
+    name       String     @unique
+    created_at DateTime   @default(now())
+    updated_at DateTime   @updatedAt
+    Painting   Painting[]
+}