Use OSS v2 region format

services/oss_service.go

@@ -146,15 +146,7 @@ func (s OSSService) newClient() *oss.Client {
 			s.cfg.AccessKeyID,
 			s.cfg.AccessKeySecret,
 		)).
-		WithRegion(normalizeOSSRegion(s.cfg.Region)).
+		WithRegion(strings.TrimSpace(s.cfg.Region)).
 		WithEndpoint(strings.TrimPrefix(strings.TrimPrefix(normalizeOSSEndpoint(s.cfg.Endpoint), "https://"), "http://"))
 	return oss.NewClient(cfg)
 }
-
-func normalizeOSSRegion(region string) string {
-	region = strings.TrimSpace(region)
-	if strings.HasPrefix(region, "oss-") {
-		return strings.TrimPrefix(region, "oss-")
-	}
-	return region
-}