diff --git a/app/app.go b/app/app.go
index fa04d5e..cc42572 100644
--- a/app/app.go
+++ b/app/app.go
@@ -69,6 +69,7 @@ type Options struct {
 	TrashLogHost        string `env:"TRASH_LOG_HOST" default:"localhost:7113"`
 	ModuleLogger        string `env:"MODULE_LOGGER" default:"core-local"`
 	ClickHouseCred      string `env:"CLICK_HOUSE_CRED" default:"tcp://10.8.0.15:9000/default?sslmode=disable"`
+	S3Prefix            string `env:"S3_PREFIX"`
 }
 
 func New(ctx context.Context, opts interface{}, ver appInit.Version) (appInit.CommonApp, error) {
@@ -178,6 +179,7 @@ func New(ctx context.Context, opts interface{}, ver appInit.Version) (appInit.Co
 		Producer:    producer,
 		ServiceName: options.ServiceName,
 		ChDAL:       chDal,
+		S3Prefix:    options.S3Prefix,
 	})
 
 	svc.Register(app)
diff --git a/service/result_svc.go b/service/result_svc.go
index 59f5ab8..f5521d4 100644
--- a/service/result_svc.go
+++ b/service/result_svc.go
@@ -177,7 +177,7 @@ func (s *Service) ExportResultsToCSV(ctx *fiber.Ctx) error {
 
 	buffer := new(bytes.Buffer)
 
-	if err := tools.WriteDataToExcel(buffer, questions, answers); err != nil {
+	if err := tools.WriteDataToExcel(buffer, questions, answers, s.s3Prefix); err != nil {
 		return ctx.Status(fiber.StatusInternalServerError).SendString("failed to write data to Excel")
 	}
 
diff --git a/service/service.go b/service/service.go
index a99ffad..db42bc6 100644
--- a/service/service.go
+++ b/service/service.go
@@ -14,6 +14,7 @@ type Service struct {
 	producer    *brokers.Producer
 	serviceName string
 	chDAL       *dal.ClickHouseDAL
+	s3Prefix    string
 }
 
 type Deps struct {
@@ -22,6 +23,7 @@ type Deps struct {
 	Producer    *brokers.Producer
 	ServiceName string
 	ChDAL       *dal.ClickHouseDAL
+	S3Prefix    string
 }
 
 func New(deps Deps) *Service {
@@ -31,6 +33,7 @@ func New(deps Deps) *Service {
 		producer:    deps.Producer,
 		serviceName: deps.ServiceName,
 		chDAL:       deps.ChDAL,
+		s3Prefix:    deps.S3Prefix,
 	}
 }
 
diff --git a/tools/tools.go b/tools/tools.go
index 85c0bc5..0ca0e31 100644
--- a/tools/tools.go
+++ b/tools/tools.go
@@ -28,7 +28,7 @@ const (
 	bucketAnswers = "squizanswer"
 )
 
-func WriteDataToExcel(buffer io.Writer, questions []model.Question, answers []model.Answer) error {
+func WriteDataToExcel(buffer io.Writer, questions []model.Question, answers []model.Answer, s3Prefix string) error {
 	file := excelize.NewFile()
 	sheet := "Sheet1"
 
@@ -130,6 +130,9 @@ func WriteDataToExcel(buffer io.Writer, questions []model.Question, answers []mo
 						}
 					} else if tipe != "Text" && q.Type == model.TypeFile {
 						urle := ExtractImageURL(response[index].Content)
+						if urle != "" && !strings.HasPrefix(urle, "https") {
+							urle = s3Prefix + urle
+						}
 						display, tooltip := urle, urle
 						if err := file.SetCellValue(sheet, cell, response[index].Content); err != nil {
 							fmt.Println(err.Error())