I have marriage based green card , i gotta go abroad for 4 months. should i expect any immigration issues when i return?

[J. Davis adam]

i have a retail business and i import goods, also my employees are abroad and i have to go for work reasons but im concern that i may face issues when i return to the USA? please advise. thanks

more details:
i just got back from the far east after 2 months, and have to go back again on January for about 4 months. should i be concern for my status?