你好，
有些板子是烧录正常的，但有些烧录失败，log如下，这个什么什么原因呢？
[18:55:50] Operation Program returned.
[18:56:37] Begin Program operation.
[18:56:37] INFO: > Executing Operation: Connect
[18:56:39] INFO: setting break signal
[18:56:39] INFO: --- please restart the device ---
[18:56:39] INFO: connection succeeded
[18:56:39] INFO: getting storage list
[18:56:39] INFO: > Executing Operation: Init
[18:56:39] INFO: reading version info
[18:56:39] INFO: DEVICE CC3200 ES1.33
[18:56:39] INFO: reading version info
[18:56:40] INFO: reading version info
[18:56:42] INFO: > Executing Operation: Program
[18:56:42] INFO: > File name: /sys/mcuimg.bin, Update: true, Erase: true
[18:56:42] INFO: > Erase File: /sys/mcuimg.bin
[18:56:42] INFO: erasing file "/sys/mcuimg.bin"
[18:56:42] INFO: deleting file "/sys/mcuimg.bin"
[18:56:42] INFO: erase file completed
[18:56:42] INFO: > Size of file = 87824
[18:56:42] INFO: > Update File: /sys/mcuimg.bin
[18:56:42] INFO: Downloading file "/sys/mcuimg.bin" with size 87824
[18:56:42] ERROR: Open operation failed
[18:56:42] INFO: > Executing Operation: Disconnect
[18:56:42] Operation Program returned.
谢谢！
