fix: ios download path

ui/flutter/lib/app/modules/app/controllers/app_controller.dart

@@ -417,13 +417,15 @@ class AppController extends GetxController with WindowListener, TrayListener {
     if (config.downloadDir.isEmpty) {
       if (Util.isDesktop()) {
         config.downloadDir = (await getDownloadsDirectory())?.path ?? "./";
-      } else if (Util.isMobile()) {
+      } else if (Util.isAndroid()) {
         final downloadDir = (await DownloadsPath.downloadsDirectory())?.path;
         if (downloadDir != null) {
           config.downloadDir = '$downloadDir/Gopeed';
         } else {
           config.downloadDir = (await getApplicationDocumentsDirectory()).path;
         }
+      } else if (Util.isIOS()) {
+        config.downloadDir = (await getApplicationDocumentsDirectory()).path;
       } else {
         config.downloadDir = './';
       }

ui/flutter/lib/app/modules/create/views/create_view.dart

@@ -117,7 +117,7 @@ class CreateView extends GetView<CreateController> {
                     Row(children: [
                       Expanded(
                         child: TextFormField(
-                          autofocus: true,
+                          autofocus: !Util.isMobile(),
                           controller: _urlController,
                           minLines: 1,
                           maxLines: 5,