feat：下载-异常信息处理

lib/app_upgrade_control.dart

@@ -75,9 +75,9 @@ class AppUpgradeControl {
         findOtherLogic<AppUpgradeDialogLogic>()?.updateDownload(false);
         ApkUpdatePlatform.instance.installApk(path);
       },
-      onError: (error) {
+      onError: (Exception error) {
         findOtherLogic<AppUpgradeDialogLogic>()?.updateDownload(false);
-        ToastUtil.showToast("下载失败，请稍后重新");
+        ToastUtil.showToast(error.toString());
       },
     );
   }

lib/core/services/download_service/impl/oss_download_impl.dart

@@ -6,7 +6,6 @@ import 'package:apk_update/utils/dio_update_util.dart';
 import 'package:flutter/cupertino.dart';
 
 import '../../../../apk_update_platform_interface.dart';
-import '../../../../utils/toast_util.dart';
 import '../../../../utils/utils.dart';
 import '../../../common/constants.dart';
 import 'package:path/path.dart' as p;
@@ -36,7 +35,7 @@ class OSSDownloadImpl implements DownloadService {
     try {
       String? path = await createDir();
       if (path == null) {
-        ToastUtil.showToast("下载路径错误，请稍后重新");
+        onError?.call(Exception("下载路径错误，请稍后重新"));
         return;
       }
       File apkFile = File("$path/${getFileName(url)}");
@@ -50,7 +49,7 @@ class OSSDownloadImpl implements DownloadService {
       await deleteFiles(Directory(path));
       var ossInfo = await getOssInfo();
       if (ossInfo == null) {
-        ToastUtil.showToast("oss下载失败");
+        onError?.call(Exception("oss信息获取失败，请稍后重新"));
         return;
       }
       // 使用OSS下载
@@ -68,7 +67,7 @@ class OSSDownloadImpl implements DownloadService {
 
         if (isDownloadFailed) {
           // 下载失败
-          onError?.call(Exception('下载失败: oss'));
+          onError?.call(Exception("oss下载失败"));
           return;
         }
         if (isDownloadSuccess) {
@@ -90,7 +89,7 @@ class OSSDownloadImpl implements DownloadService {
           localPathFileName);
     } catch (e) {
       debugPrint(e.toString());
-      ToastUtil.showToast(e.toString());
+      onError?.call(Exception(e.toString()));
     }
   }