refactor: Refine layout metadata and remove social media links from README

README.md

@@ -134,8 +134,6 @@ LGPL-3.0 or later
 ## Contact Us
 
 - Contact us: <support@gcui.art>
-- Join our [Discord](https://...)
-- Follow us on Twitter: [@gcui](https://twitter.com/gcui_art)
 
 ## Related Links
 

README_CN.md

@@ -131,8 +131,6 @@ LGPL-3.0 或更高版本
 ## 联系方式
 
 - 联系我们：<support@gcui.art>
-- 加入我们的 [Discord](https://...)
-- 在 twitter 上关注我们: [@gcui](https://twitter.com/...)
 
 ## 相关链接
 

src/app/layout.tsx

@@ -8,8 +8,8 @@ const inter = Inter({ subsets: ["latin"] });
 
 export const metadata: Metadata = {
   title: "suno api",
-  description: "Use API to call the music generation service of suno.ai",
+  description: "Use API to call the music generation ai of suno.ai",
-  keywords: ["suno", "suno.ai", "api", "music", "generation", "ai"],
+  keywords: ["suno", "suno api", "suno.ai", "api", "music", "generation", "ai"],
   creator: "@gcui.art",
 };