Pleased with my life,I have nothing to complain about.这句话有错吗

没有错!
Pleased with my life（分词短语做原因状语）,I have nothing（主谓宾） to complain about（不定式做后置定语修饰宾语nothing)
等于：
As I am pleased with my life,I have nothing to complain about
由于对我自己的生活状况很满意,我没什么可抱怨的
请在客户端右上角评价点“满意”即可,