mod: 样式、dio异常处理

lib/pages/preview/controller.dart

@@ -69,9 +69,4 @@ class PreviewController extends GetxController {
     File(path).writeAsBytesSync(response.data);
     Share.shareXFiles([XFile(path)], subject: imgList[initialPage.value]);
   }
-
-  // 浏览器中查看
-  void onBrowserImg() async {
-    Utils.openURL(imgList[initialPage.value]);
-  }
 }

lib/pages/preview/view.dart

@@ -74,11 +74,6 @@ class _ImagePreviewState extends State<ImagePreview>
                   onTap: _previewController.onSaveImg,
                   child: const Text('保存'),
                 ),
-                PopupMenuItem(
-                  value: 'browser',
-                  onTap: _previewController.onBrowserImg,
-                  child: const Text('浏览器中查看'),
-                ),
               ],
             ),
           ],