build error

[yjw1617]

How to solve the following problem, tanks
||=== Build: Debug in LittlevGL (compiler: GNU GCC Compiler) ===|
lvgl\demos\benchmark\assets\img_benchmark_cogwheel_alpha256.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\img_benchmark_cogwheel_argb.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\img_benchmark_cogwheel_indexed16.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\lv_font_benchmark_montserrat_12_compr_az.c.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\img_benchmark_cogwheel_rgb.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\lv_font_benchmark_montserrat_16_compr_az.c.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\assets\lv_font_benchmark_montserrat_28_compr_az.c.c|1|fatal error: ../../../lvgl.h: No such file or directory|
lvgl\demos\benchmark\lv_demo_benchmark.c|9|fatal error: lv_demo_benchmark.h: No such file or directory|
lvgl\demos\flex_layout\lv_demo_flex_layout_ctrl_pad.c|10|fatal error: lv_demo_flex_layout_main.h: No such file or directory|
lvgl\demos\flex_layout\lv_demo_flex_layout_flex_loader.c|10|fatal error: lv_demo_flex_layout_main.h: No such file or directory|
lvgl\demos\flex_layout\lv_demo_flex_layout_main.c|10|fatal error: lv_demo_flex_layout_main.h: No such file or directory|
||=== Build failed: 11 error(s), 0 warning(s) (0 minute(s), 1 second(s)) ===|
lvgl\demos\flex_layout\lv_demo_flex_layout_view.c|10|fatal error: lv_demo_flex_layout_main.h: No such file or directory|
||=== Build failed: 12 error(s), 0 warning(s) (0 minute(s), 1 second(s)) ===|

[100ask]

Please check if there are any files in the lvgl directory, like this:

If the file is missing, please execute the git command in the lv_port_win_codeblocks directory:

git submodule update --init --recursive