chore: 端口从 3000 改为 3721 避免冲突

src/__tests__/helpers/api-test-utils.ts

@@ -14,7 +14,7 @@ export function createRequest(
     init.body = JSON.stringify(body);
     (init.headers as Record<string, string>)["content-type"] = "application/json";
   }
-  return new NextRequest(new URL(url, "http://localhost:3000"), init);
+  return new NextRequest(new URL(url, "http://localhost:3721"), init);
 }
 
 export function createRouteContext(