diff --git a/cmd/main-migration/migrations/atlas.sum b/cmd/main-migration/migrations/atlas.sum
index c29695a0..ceca9be1 100644
--- a/cmd/main-migration/migrations/atlas.sum
+++ b/cmd/main-migration/migrations/atlas.sum
@@ -1,4 +1,4 @@
-h1:l9TShSJKxWO7Ag2+PYB7DcVDd3pz/M2Sm0hpZYpUNBA=
+h1:/ysf2SIdpKcuSzvAPNWONxzu08MCf8eE5krteU4Chas=
 20250904105930.sql h1:MEM6blCgke9DzWQSTnLzasbPIrcHssNNrJqZpSkEo6k=
 20250904141448.sql h1:J8cmYNk4ZrG9fhfbi2Z1IWz7YkfvhFqTzrLFo58BPY0=
 20250908062237.sql h1:Pu23yEW/aKkwozHoOuROvHS/GK4ngARJGdO7FB7HZuI=
@@ -108,4 +108,4 @@ h1:l9TShSJKxWO7Ag2+PYB7DcVDd3pz/M2Sm0hpZYpUNBA=
 20251110093522.sql h1:nsz8jCxGjEdr/bz9g+4ozfZzIP803xONjVmucad1GMc=
 20251110100258.sql h1:IBqt1VZj5WjQ+l9aAFGHOCCBtzb03KlLLihFLut7itg=
 20251110100545.sql h1:6/LV7751iyKxE2xI6vO1zly+aHUwxXD/IBwLcVpKxqM=
-20251111040358.sql h1:dbHqvkf0FWQVGpmTQAY0bdx6v2cXAxrPSH5byP0r/eU=
+20251111040358.sql h1:c/RQSoA8yZl7cAcOv7n1RchmudPj7LdL3PEBdNvCUrA=
diff --git a/internal/domain/main-entities/file-attachment/dto.go b/internal/domain/main-entities/file-attachment/dto.go
index aeb01291..38941ec1 100644
--- a/internal/domain/main-entities/file-attachment/dto.go
+++ b/internal/domain/main-entities/file-attachment/dto.go
@@ -3,7 +3,6 @@ package file_attachment
 import (
 	"mime/multipart"
 	eru "simrs-vx/internal/domain/references/upload"
-
 	// internal - domain - base-entities
 	ecore "simrs-vx/internal/domain/base-entities/core"
 
@@ -69,7 +68,7 @@ type ResponseDto struct {
 	Name               string             `json:"name"`
 	FilePath           *string            `json:"filePath"`
 	FileName           *string            `json:"fileName"`
-	Upload_Employee_Id *string            `json:"upload_employee_id"`
+	Upload_Employee_Id *uint              `json:"upload_employee_id"`
 	Upload_Employee    *ee.Employee       `json:"upload_employee,omitempty"`
 }
 
diff --git a/internal/domain/main-entities/file-attachment/entity.go b/internal/domain/main-entities/file-attachment/entity.go
index 8f224ce0..61b63e9e 100644
--- a/internal/domain/main-entities/file-attachment/entity.go
+++ b/internal/domain/main-entities/file-attachment/entity.go
@@ -14,6 +14,6 @@ type FileAttachment struct {
 	Name               string             `json:"name"`
 	FilePath           *string            `json:"filePath"`
 	FileName           *string            `json:"fileName"`
-	Upload_Employee_Id *string            `json:"upload_employee_id"`
+	Upload_Employee_Id *uint              `json:"upload_employee_id"`
 	Upload_Employee    *ee.Employee       `json:"upload_employee,omitempty" gorm:"foreignKey:Upload_Employee_Id;references:Id"`
 }
diff --git a/internal/interface/main-handler/file-attachment/handler.go b/internal/interface/main-handler/file-attachment/handler.go
index e391566a..4d64ec8d 100644
--- a/internal/interface/main-handler/file-attachment/handler.go
+++ b/internal/interface/main-handler/file-attachment/handler.go
@@ -41,14 +41,22 @@ func (obj myBase) Create(w http.ResponseWriter, r *http.Request) {
 			refID = &id
 		}
 	}
-	employeeIdStr := r.FormValue("employee_id")
+
+	employeeIdStr := r.FormValue("upload_employee_id")
+	var employeeId *uint
+	if employeeIdStr != "" {
+		if id64, err := strconv.ParseUint(employeeIdStr, 10, 32); err == nil {
+			id := uint(id64)
+			employeeId = &id
+		}
+	}
 
 	dto := e.CreateDto{
 		EntityType_Code:    eru.EntityTypeCode(r.FormValue("entityType_code")),
 		Ref_Id:             refID,
 		Type_Code:          eru.UploadCode(r.FormValue("type_code")),
 		Name:               r.FormValue("name"),
-		Upload_Employee_Id: &employeeIdStr,
+		Upload_Employee_Id: employeeId,
 		File:               file,
 		FileHeader:         header,
 		Filename:           header.Filename,
@@ -114,14 +122,22 @@ func (obj myBase) Update(w http.ResponseWriter, r *http.Request) {
 			refID = &id
 		}
 	}
-	employeeIdStr := r.FormValue("employee_id")
+
+	employeeIdStr := r.FormValue("upload_employee_id")
+	var employeeId *uint
+	if employeeIdStr != "" {
+		if id64, err := strconv.ParseUint(employeeIdStr, 10, 32); err == nil {
+			id := uint(id64)
+			employeeId = &id
+		}
+	}
 
 	dto := e.CreateDto{
 		EntityType_Code:    eru.EntityTypeCode(r.FormValue("entityType_code")),
 		Ref_Id:             refID,
 		Type_Code:          eru.UploadCode(r.FormValue("type_code")),
 		Name:               r.FormValue("name"),
-		Upload_Employee_Id: &employeeIdStr,
+		Upload_Employee_Id: employeeId,
 		File:               file,
 		FileHeader:         header,
 		Filename:           header.Filename,
diff --git a/internal/use-case/main-use-case/file-attachement/helper.go b/internal/use-case/main-use-case/file-attachement/helper.go
index 8cb79b99..755f6896 100644
--- a/internal/use-case/main-use-case/file-attachement/helper.go
+++ b/internal/use-case/main-use-case/file-attachement/helper.go
@@ -49,7 +49,7 @@ func uploadAndGenerateFileUrl(input e.CreateDto, event *pl.Event) (string, error
 	if !puh.IsValidFileType(ext, bucket) {
 		return "", fmt.Errorf("invalid file type: %s", input.Filename)
 	}
-	objectName := fmt.Sprintf("%s%s%s%d%s", input.EntityType_Code, input.Ref_Id, input.Type_Code, time.Now().UnixNano(), ext)
+	objectName := fmt.Sprintf("%s%d%s", input.Type_Code, time.Now().UnixNano(), ext)
 
 	uploadInput := pmh.UploadReaderInput{
 		BucketName:  bucket,