[Bug]: windows端无法导入用户数据 #667
Description
描述/Description
最近几个版本导出用户数据作备份后，导入用户数据时会显示导入失败，不管是导出包含下载数据的还是不包含下载数据的都有这个问题。
Version
4.0.3
使用的操作系统/Operating system
Windows
日志/logs
导入不包含下载数据时：
failed to compute data
PathAccessException: Deletion failed, path = 【此处为下载文件路径】 (OS Error: 另一个程序正在使用此文件，进程无法访问。
, errno = 32)
#0 _Directory._deleteSync (dart:io/directory_impl.dart:188)
#1 FileSystemEntity.deleteSync (dart:io/file_system_entity.dart:407)
#2 importData. (package:pica_comic/tools/io_tools.dart:433)
#3 compute. (package:flutter/src/foundation/_isolates_io.dart:19)
#4 _RemoteRunner._run (dart:isolate:1090)
#5 _RemoteRunner._remoteExecute (dart:isolate:1084)
#6 _delayEntrypointInvocation. (dart:isolate-patch/isolate_patch.dart:300)
#7 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:184)
导入包含下载数据时：
failed to compute data
PathExistsException: Rename failed, path = 'C:\Users\20879\AppData\Roaming\com.kokoiro.xyz\pica_comic\dataTemp\PicaComic' (OS Error: 当文件已存在时，无法创建该文件。
, errno = 183)
#0 _Directory.renameSync (dart:io/directory_impl.dart:205)
#1 importData. (package:pica_comic/tools/io_tools.dart:419)
#2 compute. (package:flutter/src/foundation/_isolates_io.dart:19)
#3 _RemoteRunner._run (dart:isolate:1090)
#4 _RemoteRunner._remoteExecute (dart:isolate:1084)
#5 _delayEntrypointInvocation. (dart:isolate-patch/isolate_patch.dart:300)
#6 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:184)