如图按照必要的设置过了，但是文件都没有执行权，chmod后也正常执行，但无法修改

chmod +x lanqiao
CANNOT LINK EXECUTABLE "chmod": library "/data/data/com.termux/files/usr/lib/libtermux-exec.so" needed or dlopened by "/data/data/com.termux/files/usr/bin/coreutils" is not accessible for the namespace "(default)"