diff --git a/frontend/src/pages/LoginPage.tsx b/frontend/src/pages/LoginPage.tsx
index 918a62b..54fcc93 100644
--- a/frontend/src/pages/LoginPage.tsx
+++ b/frontend/src/pages/LoginPage.tsx
@@ -98,7 +98,7 @@ export default function LoginPage() {
               }}
             />
           </div>
-          <Button type="submit" loading={loading} className="w-full !py-[9px]">
+          <Button type="submit" variant="primary" loading={loading} className="w-full !py-[9px]">
             登入
           </Button>
         </form>