### 描述一下这个bug / Describe the bug Downloading packages AirM2M:xpack-arm-none-eabi-gcc@13.2.1-1.1 AirM2M:CMSIS@5.7.0 AirM2M:AirISP@0.2.0 Failed to install platform: 'AirM2M:AirMCU:0.6.4'. Error: 2 UNKNOWN: ### 复现步骤 / To Reproduce ... ### 如果正常,应该是什么样 / Expected behavior ... ### 截图 / Screenshots  ### 日志 / Logs Downloading packages AirM2M:xpack-arm-none-eabi-gcc@13.2.1-1.1 AirM2M:CMSIS@5.7.0 AirM2M:AirISP@0.2.0 Failed to install platform: 'AirM2M:AirMCU:0.6.4'. Error: 2 UNKNOWN: ### 系统 / System win10 20h2 ### PACK包版本 / Version 0.6.4 ### 验证 - [X] 检查过该问题,之前没有人提过 / Check that there isn't already an issue that reports the same bug to avoid creating a duplicate. - [X] 提供了最小可复现工程或详细的复现步骤,确保开发者可以复现 / The provided reproduction is a [minimal reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) of the bug. - [X] 已经提供了完整的报错信息、日志、截图,没有经过删减。