diff --git a/client/localsession.go b/client/localsession.go
index d43750e..fbe8b3b 100644
--- a/client/localsession.go
+++ b/client/localsession.go
@@ -27,6 +27,10 @@ import (
 func CtxRecover(hdl backup.BackupHandler) client.Middleware {
 	return func(next client.Endpoint) client.Endpoint {
 		return func(ctx context.Context, req *protocol.Request, resp *protocol.Response) (err error) {
+			// only recover ctx in sd model
+			if !req.Options().IsSD() {
+				return next(ctx, req, resp)
+			}
 			ctx = backup.RecoverCtxOnDemands(ctx, hdl)
 			return next(ctx, req, resp)
 		}