diff --git a/app/module/article_categories/repository/article_categories.repository.go b/app/module/article_categories/repository/article_categories.repository.go
index 6153bff..79d7b4f 100644
--- a/app/module/article_categories/repository/article_categories.repository.go
+++ b/app/module/article_categories/repository/article_categories.repository.go
@@ -2,6 +2,7 @@ package repository
 
 import (
 	"fmt"
+	"github.com/rs/zerolog"
 	"go-humas-be/app/database"
 	"go-humas-be/app/database/entity"
 	"go-humas-be/app/module/article_categories/request"
@@ -10,7 +11,8 @@ import (
 )
 
 type articleCategoriesRepository struct {
-	DB *database.Database
+	DB  *database.Database
+	Log zerolog.Logger
 }
 
 // ArticleCategoriesRepository define interface of IArticleCategoriesRepository
@@ -22,9 +24,10 @@ type ArticleCategoriesRepository interface {
 	Delete(id uint) (err error)
 }
 
-func NewArticleCategoriesRepository(db *database.Database) ArticleCategoriesRepository {
+func NewArticleCategoriesRepository(db *database.Database, log zerolog.Logger) ArticleCategoriesRepository {
 	return &articleCategoriesRepository{
-		DB: db,
+		DB:  db,
+		Log: log,
 	}
 }
 
@@ -66,6 +69,7 @@ func (_i *articleCategoriesRepository) GetAll(req request.ArticleCategoriesQuery
 	req.Pagination = paginator.Paging(req.Pagination)
 
 	err = query.Offset(req.Pagination.Offset).Limit(req.Pagination.Limit).Find(&articleCategoriess).Error
+
 	if err != nil {
 		return
 	}
diff --git a/app/module/articles/service/articles.service.go b/app/module/articles/service/articles.service.go
index a1392ac..549b3f3 100644
--- a/app/module/articles/service/articles.service.go
+++ b/app/module/articles/service/articles.service.go
@@ -195,18 +195,34 @@ func (_i *articlesService) Delete(id uint) error {
 
 func (_i *articlesService) Viewer(c *fiber.Ctx) (err error) {
 	thumbnailName := c.Params("thumbnailName")
-	result, err := _i.Repo.FindByFilename(thumbnailName)
-	if err != nil {
-		return err
+
+	emptyImage := "empty-image.jpg"
+	searchThumbnail := emptyImage
+	if thumbnailName != emptyImage {
+		result, err := _i.Repo.FindByFilename(thumbnailName)
+		if err != nil {
+			return err
+		}
+		_i.Log.Info().Str("timestamp", time.Now().
+			Format(time.RFC3339)).Str("Service:Resource", "articlesService:Viewer").
+			Interface("resultThumbnail", result.ThumbnailPath).Msg("")
+
+		if result.ThumbnailPath != nil {
+			searchThumbnail = *result.ThumbnailPath
+		} else {
+			searchThumbnail = "articles/thumbnail/" + emptyImage
+		}
+	} else {
+		searchThumbnail = "articles/thumbnail/" + emptyImage
 	}
 
-	if result.ThumbnailPath == nil {
-		return nil
-	}
+	_i.Log.Info().Str("timestamp", time.Now().
+		Format(time.RFC3339)).Str("Service:Resource", "articlesService:Viewer").
+		Interface("searchThumbnail", searchThumbnail).Msg("")
 
 	ctx := context.Background()
 	bucketName := _i.MinioStorage.Cfg.ObjectStorage.MinioStorage.BucketName
-	objectName := result.ThumbnailPath
+	objectName := searchThumbnail
 
 	// Create minio connection.
 	minioClient, err := _i.MinioStorage.ConnectMinio()
@@ -218,13 +234,13 @@ func (_i *articlesService) Viewer(c *fiber.Ctx) (err error) {
 		})
 	}
 
-	fileContent, err := minioClient.GetObject(ctx, bucketName, *objectName, minio.GetObjectOptions{})
+	fileContent, err := minioClient.GetObject(ctx, bucketName, objectName, minio.GetObjectOptions{})
 	if err != nil {
 		log.Fatalln(err)
 	}
 	defer fileContent.Close()
 
-	contentType := mime.TypeByExtension("." + getFileExtension(*objectName))
+	contentType := mime.TypeByExtension("." + getFileExtension(objectName))
 	if contentType == "" {
 		contentType = "application/octet-stream"
 	}
diff --git a/config/toml/config.toml b/config/toml/config.toml
index 6b7c2b8..e195e85 100644
--- a/config/toml/config.toml
+++ b/config/toml/config.toml
@@ -12,7 +12,7 @@ production = false
 body-limit = 104857600 # "100 * 1024 * 1024"
 
 [db.postgres]
-dsn = "postgresql://humas_user:HumasDB#2024@38.47.180.165:5432/humas_db" # <driver>://<username>:<password>@<host>:<port>/<database>
+dsn = "postgresql://humas_user:HumasDB@2024@38.47.180.165:5432/humas_db" # <driver>://<username>:<password>@<host>:<port>/<database>
 migrate = false
 seed = false