diff --git a/app/[locale]/login/page.tsx b/app/[locale]/login/page.tsx
index a8aa037..1afc4c9 100644
--- a/app/[locale]/login/page.tsx
+++ b/app/[locale]/login/page.tsx
@@ -38,6 +38,7 @@ export default async function LoginPage({ params }: Props) {
         <div className="flex flex-col items-center gap-3">
           <SignInButton provider="github" label={t("github")} />
           <SignInButton provider="discord" label={t("discord")} />
+          <SignInButton provider="google" label={t("google")} />
         </div>
       </div>
     </div>
diff --git a/app/[locale]/settings/LinkedAccounts.tsx b/app/[locale]/settings/LinkedAccounts.tsx
index 393dfb3..6324d43 100644
--- a/app/[locale]/settings/LinkedAccounts.tsx
+++ b/app/[locale]/settings/LinkedAccounts.tsx
@@ -22,6 +22,7 @@ function getToken(): string | null {
 const PROVIDER_LABEL: Record<string, string> = {
   github: "GitHub",
   discord: "Discord",
+  google: "Google",
 };
 
 export function labelOf(provider: string): string {
diff --git a/app/components/SignInButton.tsx b/app/components/SignInButton.tsx
index 3bfe09a..398b261 100644
--- a/app/components/SignInButton.tsx
+++ b/app/components/SignInButton.tsx
@@ -6,8 +6,8 @@ import { armLoginNonce } from "@/lib/use-auth";
 interface SignInButtonProps {
   className?: string;
   // 传了 provider（登录页两个按钮）→ 直跳该 provider 授权；
-  // 不传（header 的 "Sign In"）→ 跳 /login 让用户在 GitHub / Discord 间选。
-  provider?: "github" | "discord";
+  // 不传（header 的 "Sign In"）→ 跳 /login 让用户在 GitHub / Discord / Google 间选。
+  provider?: "github" | "discord" | "google";
   label?: string;
 }
 
diff --git a/messages/en.json b/messages/en.json
index 535b9d2..b2a1ead 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -71,6 +71,7 @@
     "subheading": "Sign in to access protected pages",
     "github": "Sign in with GitHub",
     "discord": "Sign in with Discord",
+    "google": "Sign in with Google",
     "errorDiscordCanary": "Discord sign-in is in limited testing and not open yet — stay tuned!",
     "errorGeneric": "Sign-in didn't complete. Please try again.",
     "errorOauthState": "Your sign-in session expired (took too long on the provider's page, or cookies were blocked). Please start the sign-in again.",
diff --git a/messages/zh.json b/messages/zh.json
index 3d1df92..3f7b4e0 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -71,6 +71,7 @@
     "subheading": "请登录以访问受保护的页面",
     "github": "用 GitHub 登录",
     "discord": "用 Discord 登录",
+    "google": "用 Google 登录",
     "errorDiscordCanary": "Discord 登录正在灰度测试中，暂未对外开放，敬请期待～",
     "errorGeneric": "登录未完成，请重试。",
     "errorOauthState": "登录会话已失效（可能是等待授权太久，或浏览器拦截了 Cookie）。请重新点击登录。",