diff --git a/app/store/config.ts b/app/store/config.ts
index 956e5f3eb81..53df36ec2a3 100644
--- a/app/store/config.ts
+++ b/app/store/config.ts
@@ -1,4 +1,5 @@
 import { LLMModel } from "../client/api";
+import { isMacOS } from "../utils";
 import { getClientConfig } from "../config/client";
 import {
   DEFAULT_INPUT_TEMPLATE,
@@ -27,7 +28,7 @@ export enum Theme {
 export const DEFAULT_CONFIG = {
   lastUpdate: Date.now(), // timestamp, to merge state
 
-  submitKey: SubmitKey.CtrlEnter as SubmitKey,
+  submitKey: isMacOS() ? SubmitKey.MetaEnter : SubmitKey.CtrlEnter,
   avatar: "1f603",
   fontSize: 14,
   theme: Theme.Auto as Theme,
diff --git a/app/utils.ts b/app/utils.ts
index 37c17dd760d..1b76285cc07 100644
--- a/app/utils.ts
+++ b/app/utils.ts
@@ -173,3 +173,15 @@ export function autoGrowTextArea(dom: HTMLTextAreaElement) {
 export function getCSSVar(varName: string) {
   return getComputedStyle(document.body).getPropertyValue(varName).trim();
 }
+
+/**
+ * Detects Macintosh
+ */
+export function isMacOS(): boolean {
+  if (typeof window !== "undefined") {
+    let userAgent = window.navigator.userAgent.toLocaleLowerCase();
+    const macintosh = /iphone|ipad|ipod|macintosh/.test(userAgent)
+    return !!macintosh
+  }
+  return false
+}