出现 [application.elf] Failed to build! 如何处理？

[5/23] Building C object application/bs21/standard/CMakeFiles/standard_porting.dir/main.c.obj
ninja: build stopped: subcommand failed.
[Warning]:sdk libs import failed.
build reload E:\Work\HuaWei\bearpi-h2821_pico_C\build\config\target_config\bs21\menuconfig\acore\standard_bs21_n1100.config
E:\Work\HuaWei\bearpi-h2821_pico_C\build\script.....\config.in
E:\Work\HuaWei\bearpi-h2821_pico_C
No change to configuration in 'E:\Work\HuaWei\bearpi-h2821_pico_C\build\script.....\build\config\target_config\bs21\menuconfig\acore\standard_bs21_n1100.config'
E:\Work\HuaWei\bearpi-h2821_pico_C\build\script.....\config.in
E:\Work\HuaWei\bearpi-h2821_pico_C
Kconfig header saved to 'E:\Work\HuaWei\bearpi-h2821_pico_C\output\bs21\acore\standard-bs21-n1100\mconfig.h'
######### Build target:standard_bs21_n1100 failed
scons: *** [application.elf] Failed to build!