[fix] function call

src-tauri/src/main.rs

@@ -46,7 +46,6 @@ fn main() {
         .plugin(tauri_plugin_dialog::init())
         // .plugin(tauri_plugin_store::Builder::default().build())
         // .plugin(tauri_plugin_updater::Builder::new().build())
-        .invoke_handler(tauri::generate_handler![on_button_clicked])
         .setup(|app| {
             // Tray
             #[cfg(all(desktop))]

src-tauri/src/steam/mod.rs

@@ -12,6 +12,14 @@ pub fn launch_game(
     launch_option: &str,
     server: &str,
 ) -> Result<(), Box<dyn Error>> {
+    // 判断路径是否存在
+    if !std::path::Path::new("/etc/hosts").exists() {
+        return Err(Box::new(std::io::Error::new(
+            std::io::ErrorKind::NotFound,
+            "Steam path not found",
+        )));
+    }
+
     let mut opt = launch_option.replace("\n", " ");
 
     if server == "perfectworld" {