diff --git a/src/serialize/function.js b/src/serialize/function.js
index a0637d69..b5a3093b 100644
--- a/src/serialize/function.js
+++ b/src/serialize/function.js
@@ -128,8 +128,12 @@ export function deserializeFunction<T>(source : CrossDomainWindowType | ProxyWin
                 if (meth && meth.val !== crossDomainFunctionWrapper) {
                     return meth.val.apply({ source: window, origin: getDomain() }, arguments);
                 } else {
-                    return global.send(win, MESSAGE_NAME.METHOD, { id, name, args: Array.prototype.slice.call(arguments) }, { domain: origin, ...opts })
-                        .then(({ data }) => data.result);
+                    return global.send(win, MESSAGE_NAME.METHOD, { id, name, args: Array.prototype.slice.call(arguments) }, { domain: origin, fireAndForget: opts.fireAndForget })
+                        .then(res => {
+                            if (!opts.fireAndForget) {
+                                return res.data.result;
+                            }
+                        });
                 }
     
             }).catch(err => {