请英语好一点的哥哥姐姐帮帮我,帮我看看下面这篇文章的错误,并给予详细的纠正

请英语好一点的哥哥姐姐帮帮我,帮我看看下面这篇文章的错误,并给予详细的纠正
Vacation is coming.i'mreally tired these days.i want to have a retaxing vacation in hawali.
i'm leaving the first week in July and staying until septemer.i'm plans to have a very relaxing and interesting vacation.i'm walking on the beach,collect shells,going surfing,planing beach volleyball,lie on the beach and going swimming.i'm planning to spend time in the beautiful beach.i love nature.I hope i can forget all my problems!At night,i'm [仰望星空这个词怎么写?] and sleeping a lot .
i want to show you a my photos when i get back to school.
Oh!A great vacation!I can't wait!