linux打开终端自动弹出bash: export: `4‘: not a valid identifier

bash: export: `4': not a valid identifier
bash:export:`gap/bin:/opt/intel/bin/:/opt/intel/compilers_and_libraries_2020.0.139/linux/bin/intel64:/opt/intel/compilers_and_libraries_2020.0.139/linux/bin:/opt/intel/compilers_and_libraries_2020.0.139/linux/mpi/intel64/libfabric/bin:/opt/intel/compilers_and_libraries_2020.0.139/linux/mpi/intel64/bin:/home/huqd/siesta/openmpi-4.1.1/openmpi_install/bin:/home/huqd/VASP/vaspkit.1.2.3/bin:/opt/intel/bin/:/opt/intel/compilers_and_libraries_2020.0.139/linux/bin/intel64:/opt/intel/compilers_and_libraries_2020.0.139/linux/bin:/opt/intel/compilers_and_libraries_2020.0.139/linux/mpi/intel64/libfabric/bin:/opt/intel/compilers_and_libraries_2020.0.139/linux/mpi/intel64/bin:/opt/intel/debugger_2020/gdb/intel64/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/home/huqd/.local/bin:/home/huqd/bin': not a valid identifier
bash: sed: command not found...

自动弹出以上字符，有没有大佬能告诉一下为什么？？？

在此之前我运行了一个脚本，并未修改环境变量，检查过PATH 并没有空格，还有其他解决方案吗？