keep stacktrace in timed function

Author: gugu

lib/toolkit.js

@@ -135,7 +135,7 @@ exports.Manager = class {
 };
 
 
-exports.timed = function (method, options) {
+exports.timed = async function (method, options) {
 
     if (!options.timeout) {
         return method;
@@ -151,7 +151,7 @@ exports.timed = function (method, options) {
         setTimeout(handler, options.timeout);
     });
 
-    return Promise.race([timer, method]);
+    return await Promise.race([timer, method]);
 };