diff --git a/internal/db/seeders/user_seeder.go b/internal/db/seeders/user_seeder.go
index 559ed8f..074ab85 100644
--- a/internal/db/seeders/user_seeder.go
+++ b/internal/db/seeders/user_seeder.go
@@ -15,7 +15,7 @@ func NewUserSeeder(db *gorm.DB) *UserSeeder {
 }
 
 func (userSeeder *UserSeeder) SetUsers() {
-	users := map[int]map[string]string{
+	users := map[int64]map[string]string{
 		1: {
 			"email":    "user1@example.com",
 			"name":     "user1",
@@ -33,7 +33,7 @@ func (userSeeder *UserSeeder) SetUsers() {
 		userSeeder.DB.First(&user, key)
 
 		if user.ID == 0 {
-			user.ID = uint(key)
+			user.ID = key
 			user.Email = value["email"]
 			user.Name = value["name"]
 			user.Password = value["password"]
diff --git a/internal/models/post.go b/internal/models/post.go
index ba49de0..0dfb184 100644
--- a/internal/models/post.go
+++ b/internal/models/post.go
@@ -6,6 +6,6 @@ type Post struct {
 	gorm.Model
 	Title   string `json:"title" gorm:"type:text"`
 	Content string `json:"content" gorm:"type:text"`
-	UserID  uint
+	UserID  int64
 	User    User `gorm:"foreignkey:UserID"`
 }
diff --git a/internal/responses/posts_response.go b/internal/responses/posts_response.go
index dc597a4..3bf1dec 100644
--- a/internal/responses/posts_response.go
+++ b/internal/responses/posts_response.go
@@ -8,7 +8,7 @@ type PostResponse struct {
 	Title    string `json:"title" example:"Echo"`
 	Content  string `json:"content" example:"Echo is nice!"`
 	Username string `json:"username" example:"John Doe"`
-	ID       uint   `json:"id" example:"1"`
+	ID       int64  `json:"id" example:"1"`
 }
 
 func NewPostResponse(posts []models.Post) *[]PostResponse {
diff --git a/internal/services/token/create_access_token.go b/internal/services/token/create_access_token.go
index 4393ecb..a6e19f2 100644
--- a/internal/services/token/create_access_token.go
+++ b/internal/services/token/create_access_token.go
@@ -10,9 +10,9 @@ import (
 func (tokenService *Service) CreateAccessToken(user *models.User) (t string, expired int64, err error) {
 	exp := time.Now().Add(time.Hour * ExpireCount)
 	claims := &JwtCustomClaims{
-		user.Name,
-		user.ID,
-		jwt.RegisteredClaims{
+		Name: user.Name,
+		ID:   user.ID,
+		RegisteredClaims: jwt.RegisteredClaims{
 			ExpiresAt: jwt.NewNumericDate(exp),
 		},
 	}
diff --git a/internal/services/token/service.go b/internal/services/token/service.go
index 0b1e55e..b78d94b 100644
--- a/internal/services/token/service.go
+++ b/internal/services/token/service.go
@@ -12,12 +12,12 @@ const ExpireRefreshCount = 168
 
 type JwtCustomClaims struct {
 	Name string `json:"name"`
-	ID   uint   `json:"id"`
+	ID   int64  `json:"id"`
 	jwt.RegisteredClaims
 }
 
 type JwtCustomRefreshClaims struct {
-	ID uint `json:"id"`
+	ID int64 `json:"id"`
 	jwt.RegisteredClaims
 }