ch32v103c8做了个板子修改了system_ch32v10x.c 无法下载怎么处理？

ch32v103c8做了个板子  该怎么处理 或者恢复 谢谢
17:59:55:807 >> Current project vendor is WCH, debugger is WCH-Link


17:59:55:807 >> Starting to Open Link in RISC-V APP mode...
17:59:55:808 >> Open Link in RISC-V APP mode Success


17:59:55:808 >> Starting to get link mode...
17:59:55:810 >> Link is under APP mode


17:59:55:810 >> Starting to compare firmware version...
17:59:55:810 >> No need to update. Already the latest version. Version is v2.3.


17:59:55:810 >> Starting to Send Chip Type...
17:59:55:821 >> Board chip status error
Board chip status error
17:59:55:821 >> Starting to Close Link...
17:59:55:821 >> Close Link Success
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