V 3.12.9

What is new:

• Add operating environment compatibility check and suggestions (win)
• Fixed data error when downloading large files
• Fix cannot elevate permission error (win)

新版改进：

• 增加运行环境兼容性检查和建议 (win)
• 修复下载大文件时数据错误
• 修复无法提升权限错误 (win)