文件管理器改进建议

[topsage]

文件管理器希望能加入自动跟随切换目录选项(执行cd 切换目录过程会自动跟随切换)，上传文件支持拖拽，覆盖文件需要提示！！！

[kingToolbox]

Duplicate #132

In addition, drag-and-drop uploading is already supported, you can watch Sftp / Upload to learn more. For notifications when files are overwritten, it is necessary to check whether the file exists before uploading each file, which will greatly reduce the upload speed. I need time to evaluate this feature before I can decide to implement it. I will update any progress here. And you can also tell me what you think. Thank you.