diff --git a/plugins/restful/rest.c b/plugins/restful/rest.c
index 7f79a3e7..89f37b40 100644
--- a/plugins/restful/rest.c
+++ b/plugins/restful/rest.c
@@ -306,6 +306,8 @@ static int dashb_plugin_request(neu_plugin_t *      plugin,
         handle_read_resp(header->ctx, (neu_resp_read_group_t *) data);
         break;
     default:
+        nlog_fatal("recv unhandle msg: %s",
+                   neu_reqresp_type_string(header->type));
         assert(false);
         break;
     }