diff --git a/internal/server/server.go b/internal/server/server.go
index 79ead81ea..e2cd53ce8 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -30,6 +30,7 @@ func initOSS(config *app.Config) oss.OSS {
 			Bucket:       config.PluginStorageOSSBucket,
 			Region:       config.AWSRegion,
 			UseIamRole:   config.S3UseAwsManagedIam,
+			SignatureVersion: config.S3SignatureVersion,
 		},
 		TencentCOS: &oss.TencentCOS{
 			Region:    config.TencentCOSRegion,
diff --git a/internal/types/app/config.go b/internal/types/app/config.go
index 8fbca3fb0..08b992c20 100644
--- a/internal/types/app/config.go
+++ b/internal/types/app/config.go
@@ -29,6 +29,7 @@ type Config struct {
 	S3UseAWS           bool   `envconfig:"S3_USE_AWS" default:"true"`
 	S3Endpoint         string `envconfig:"S3_ENDPOINT"`
 	S3UsePathStyle     bool   `envconfig:"S3_USE_PATH_STYLE" default:"true"`
+	S3SignatureVersion string `envconfig:"S3_SIGNATURE_VERSION" default:"v4"`
 	AWSAccessKey       string `envconfig:"AWS_ACCESS_KEY"`
 	AWSSecretKey       string `envconfig:"AWS_SECRET_KEY"`
 	AWSRegion          string `envconfig:"AWS_REGION"`