1、使用下载器对损坏的jlink下载bootloader 2、打开jlink command自动升级固件设置版本： # Exec SetSN=20281318 V9.2 # Exec SetSN=20381318 V9.3 # Exec SetSN=20481318 V9.4 # Exec SetSN=20581318 V9.5 # Exec SetSN=20681318 V9.6 # Exec SetSN=20781318 V9.7 添加权限： Exec SetSN=29534567 ;添加SN Exec AddFeature GDB ;添加GDB Exec AddFeature RDI ;添加RDI Exec AddFeature FlashBP ;添加FlashBP Exec AddFeature FlashDL ;添加FlashDL Exec AddFeature JFlash ;添加JFlash Exec AddFeature RDDI ;添加RDDI 完成