✨ 添加后端内部轮询

src-tauri/src/lib.rs

@@ -40,6 +40,23 @@ pub fn run() {
             }
             _ => {}
         })
+        .setup(|app| {
+            let app_handle = app.handle().clone();
+            // 创建后台任务检查下载状态
+            tauri::async_runtime::spawn(async move {
+                loop {
+                    {
+                        let download_manager = app_handle.state::<DownloadManager>();
+                        if download_manager.has_downloads() {
+                            let _ = download_manager.get_downloads().await;
+                        }
+                    }
+                    tokio::time::sleep(tokio::time::Duration::from_secs(2)).await;
+                }
+            });
+            
+            Ok(())
+        })
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }