diff --git a/pkg/utils/aksk_sign.go b/pkg/utils/aksk_sign.go
index a511129f..c88d3b85 100644
--- a/pkg/utils/aksk_sign.go
+++ b/pkg/utils/aksk_sign.go
@@ -16,7 +16,7 @@ func SignClient(r *http.Request, writer *multipart.Writer) (*http.Client, error)
 	r.Header.Add("X-Project-Id", "d18190e28e3f45a281ef0b0696ec9d52")
 	r.Header.Add("x-stage", "RELEASE")
 	r.Header.Add("x-sdk-content-sha256", "UNSIGNED-PAYLOAD")
-	//r.Header.Set("Content-Type", writer.FormDataContentType())
+	r.Header.Set("Content-Type", writer.FormDataContentType())
 	s := core.Signer{
 		Key:    "UNEHPHO4Z7YSNPKRXFE4",
 		Secret: "JWXCE9qcYbc7RjpSRIWt4WgG3ZKF6Q4lPzkJReX9",