axum with rbatis ; the trait bound fn() -> impl futures_util::Future<Output = impl IntoResponse> {test_strategy}: Handler<_, _> is not satisfied

[prehonor]

error[E0277]: the trait bound `fn() -> impl futures_util::Future<Output = impl IntoResponse> {test_strategy}: Handler<_, _>` is not satisfied
   --> server/src/main.rs:79:29
    |
79  |         .route("/test", get(test_strategy))
    |                         --- ^^^^^^^^^^^^^ the trait `Handler<_, _>` is not implemented for fn item `fn() -> impl futures_util::Future<Output = impl IntoResponse> {test_strategy}`
    |                         |
    |                         required by a bound introduced by this call
    |
    = help: the following other types implement trait `Handler<T, S>`:
              <IntoHandler<H, T, S> as Handler<T, S>>
              <MethodRouter<S> as Handler<(), S>>
              <axum::handler::Layered<L, H, T, S> as Handler<T, S>>
              <axum_extra::handler::Or<L, R, Lt, Rt, S> as Handler<(M, Lt, Rt), S>>
note: required by a bound in `axum::routing::get`
   --> /space/.cargo/registry/src/rsproxy.cn-8f6827c7555bfaf8/axum-0.7.5/src/routing/method_routing.rs:385:1
    |
385 | top_level_handler_fn!(get, GET);
    | ^^^^^^^^^^^^^^^^^^^^^^---^^^^^^
    | |                     |
    | |                     required by a bound in this function
    | required by this bound in `get`
    = note: this error originates in the macro `top_level_handler_fn` (in Nightly builds, run with -Z macro-backtrace for more info)

axum = { version = "^0.7.5", features = ["macros", "ws"] }
axum-extra = { version = "^0.9.3", features = ["typed-header"] }

linux 64

let app = Router::new()
        .fallback_service(ServeDir::new(assets_dir).append_index_html_on_directories(true))
        // `GET /` goes to `root`
        .route("/", get(root))
        .route("/test", get(test_strategy))
        .layer(
            TraceLayer::new_for_http()
                .make_span_with(DefaultMakeSpan::default().include_headers(true)),
        )
        .layer(cors_layer());

async fn test_strategy() -> impl IntoResponse {
    let calendars = StockService::get_calendar().await;
    StatusCode::OK
}

pub(in crate::data_manager) static GLOBAL_DB: Lazy<Mutex<RBatis>> = Lazy::new(|| {
    let rb = RBatis::new();
    rb.init(
        PgDriver {},
        "postgres://postgres:postgres@localhost:5432/gold",
    )
    .expect("初始化PG数据库失效");
    Mutex::new(rb)
});

    pub async fn get_calendar() -> Vec<TradeCalendar> {
        StockDao::get_calendar(GLOBAL_DB.lock().unwrap().deref())
            .await
            .unwrap()
    }

    #[py_sql(
        "`select trade_date from stock.trade_calendar"
    )]
    pub async fn get_calendar(
        rb: &dyn Executor,
    ) -> Result<Vec<TradeCalendar>, Error> {
        impled!()
    }

[jplatte]

Did you try #[debug_handler]? See Debugging handler type errors.