diff --git a/database/seeders/placeholder.go b/database/seeders/placeholder.go
new file mode 100644
index 0000000..c9800de
--- /dev/null
+++ b/database/seeders/placeholder.go
@@ -0,0 +1,35 @@
+package seeders
+
+import (
+	"atom/container"
+	"atom/contracts"
+	"log"
+
+	"go.uber.org/dig"
+	"gorm.io/gorm"
+)
+
+func init() {
+	if err := container.Container.Provide(NewPlaceholderSeeder, dig.Group("seeders")); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type PlaceholderSeeder struct {
+}
+
+func NewPlaceholderSeeder() contracts.Seeder {
+	return &PlaceholderSeeder{}
+}
+
+type Placeholder struct {
+	gorm.Model
+}
+
+func (s *PlaceholderSeeder) Run(db *gorm.DB) {
+
+}
+
+func (s *PlaceholderSeeder) Generate(idx int) Placeholder {
+	return Placeholder{}
+}
diff --git a/database/seeders/user.go b/database/seeders/user.go
deleted file mode 100644
index 050de34..0000000
--- a/database/seeders/user.go
+++ /dev/null
@@ -1,56 +0,0 @@
-package seeders
-
-import (
-	"atom/container"
-	"atom/contracts"
-	"fmt"
-	"log"
-	"time"
-
-	"go.uber.org/dig"
-	"gorm.io/gorm"
-)
-
-func init() {
-	if err := container.Container.Provide(NewUserSeeder, dig.Group("seeders")); err != nil {
-		log.Fatal(err)
-	}
-}
-
-type UserSeeder struct {
-}
-
-func NewUserSeeder() contracts.Seeder {
-	return &UserSeeder{}
-}
-
-type User struct {
-	gorm.Model
-
-	Username string
-	Password string
-	Birthday time.Time
-	Status   bool
-}
-
-func (s *UserSeeder) Run(db *gorm.DB) {
-	times := 10
-	for i := 0; i < times; i++ {
-		data := s.Generate(i)
-		if i == 0 {
-			stmt := &gorm.Statement{DB: db}
-			_ = stmt.Parse(&data)
-			log.Printf("seeding %s for %d times", stmt.Schema.Table, times)
-		}
-		db.Create(&data)
-	}
-}
-
-func (s *UserSeeder) Generate(idx int) User {
-	return User{
-		Username: fmt.Sprintf("username: %d", idx),
-		Password: fmt.Sprintf("password: %d", idx),
-		Birthday: time.Now().Add(time.Hour * 24 * time.Duration(idx)),
-		Status:   idx%2 == 0,
-	}
-}