向大家求证一下，这是不是前端的设置出了问题 vscode试运行的情况下，cors跨域问题一直没有得到解决，后端改了很多次了，无论是指定还是不指定，都不行；并且前端每次请求过来后端都有日志生成。

前端浏览器只要不打开cors插件，就一直卡报错，只要打开cors插件就能用

{
    "message": "Network Error",
    "name": "AxiosError",
    "stack": "AxiosError: Network Error\n    at XMLHttpRequest.handleError (http://localhost:5173/node_modules/.vite/deps/axios.js?v=dfff3feb:1450:14)\n    at Axios.request (http://localhost:5173/node_modules/.vite/deps/axios.js?v=dfff3feb:1780:41)\n    at async drawCardAPI (http://localhost:5173/src/api/drawcard.ts:12:22)\n    at async Proxy.drawCard (http://localhost:5173/src/components/drawcard.vue:19:28)",
    "config": {
        "transitional": {
            "silentJSONParsing": true,
            "forcedJSONParsing": true,
            "clarifyTimeoutError": false
        },
        "adapter": [
            "xhr",
            "http"
        ],
        "transformRequest": [
            null
        ],
        "transformResponse": [
            null
        ],
        "timeout": 0,
        "xsrfCookieName": "XSRF-TOKEN",
        "xsrfHeaderName": "X-XSRF-TOKEN",
        "maxContentLength": -1,
        "maxBodyLength": -1,
        "env": {},
        "headers": {
            "Accept": "application/json, text/plain, */*"
        },
        "baseURL": "http://localhost:3000",
        "method": "get",
        "url": "/api/cards/draw"
    },
    "code": "ERR_NETWORK",
    "status": null
}

// 定义应用路由
pub fn app_router(pool: DbPool) -> Router {
    let cors = configure_cors();

    Router::new()
        .layer(cors) // 添加跨域资源共享（CORS）中间件
        .route("/api/cards/draw", options(options_handler)) // 处理跨域资源共享（CORS）预检请求
        .route("/api/cards/draw", get(draw_card_handler)) // 抽卡应用
        // ... 其他路由 ...
        .layer(Extension(pool)) // 将数据库连接池作为共享状态
}