diff --git a/api/viid_client.go b/api/viid_client.go
index 61ac7d4..7721265 100644
--- a/api/viid_client.go
+++ b/api/viid_client.go
@@ -189,12 +189,11 @@ func SubmitFailure(ctx context.Context, taskID int64, errorCode, errorMessage st
 	return nil
 }
 
-func UploadFileToOSS(ctx context.Context, uploadUrl string, data []byte, contentType string) error {
+func UploadFileToOSS(ctx context.Context, uploadUrl string, data []byte) error {
 	req, err := http.NewRequestWithContext(ctx, "PUT", uploadUrl, bytes.NewReader(data))
 	if err != nil {
 		return err
 	}
-	req.Header.Set("Content-Type", contentType)
 
 	resp, err := GetUploadClient().Do(req)
 	if err != nil {
diff --git a/api/viid_upload.go b/api/viid_upload.go
index f45ccc9..a106cf9 100644
--- a/api/viid_upload.go
+++ b/api/viid_upload.go
@@ -4,6 +4,7 @@ import (
 	"ZhenTuLocalPassiveAdapter/logger"
 	"context"
 	"fmt"
+
 	"go.uber.org/zap"
 	"golang.org/x/sync/errgroup"
 )
@@ -25,7 +26,7 @@ func UploadFaceData(ctx context.Context, scenicId int64, deviceNo string, faceIm
 	// Upload Face Image
 	g.Go(func() error {
 		if len(faceImg) > 0 {
-			if err := UploadFileToOSS(subCtx, uploadConfig.FaceUploadURL, faceImg, "image/jpeg"); err != nil {
+			if err := UploadFileToOSS(subCtx, uploadConfig.FaceUploadURL, faceImg); err != nil {
 				return fmt.Errorf("upload face image failed: %w", err)
 			}
 		}
@@ -35,7 +36,7 @@ func UploadFaceData(ctx context.Context, scenicId int64, deviceNo string, faceIm
 	// Upload Thumbnail Image
 	g.Go(func() error {
 		if len(thumbImg) > 0 {
-			if err := UploadFileToOSS(subCtx, uploadConfig.ThumbnailUploadURL, thumbImg, "image/jpeg"); err != nil {
+			if err := UploadFileToOSS(subCtx, uploadConfig.ThumbnailUploadURL, thumbImg); err != nil {
 				return fmt.Errorf("upload thumbnail image failed: %w", err)
 			}
 		}
@@ -45,7 +46,7 @@ func UploadFaceData(ctx context.Context, scenicId int64, deviceNo string, faceIm
 	// Upload Source Image
 	g.Go(func() error {
 		if len(srcImg) > 0 {
-			if err := UploadFileToOSS(subCtx, uploadConfig.SourceUploadURL, srcImg, "image/jpeg"); err != nil {
+			if err := UploadFileToOSS(subCtx, uploadConfig.SourceUploadURL, srcImg); err != nil {
 				return fmt.Errorf("upload source image failed: %w", err)
 			}
 		}