diff --git a/pkg/common/db/s3/oss/oss.go b/pkg/common/db/s3/oss/oss.go
index bc10f5b3c..774150389 100644
--- a/pkg/common/db/s3/oss/oss.go
+++ b/pkg/common/db/s3/oss/oss.go
@@ -149,6 +149,7 @@ func (o *OSS) AuthSign(ctx context.Context, uploadID string, name string, expire
 		now := time.Now().UTC().Format(http.TimeFormat)
 		request.Header.Set(oss.HTTPHeaderHost, request.Host)
 		request.Header.Set(oss.HTTPHeaderDate, now)
+		request.Header.Set(oss.HttpHeaderOssDate, now)
 		authorization := fmt.Sprintf(
 			`OSS %s:%s`,
 			o.credentials.GetAccessKeyID(),
@@ -156,7 +157,6 @@ func (o *OSS) AuthSign(ctx context.Context, uploadID string, name string, expire
 		)
 		request.Header.Set(oss.HTTPHeaderAuthorization, authorization)
 		delete(request.Header, oss.HTTPHeaderDate)
-		request.Header.Set(oss.HttpHeaderOssDate, now)
 		result.Parts[i] = s3.SignPart{
 			PartNumber: partNumber,
 			Query:      url.Values{"partNumber": {strconv.Itoa(partNumber)}},