He wakes up early every morning and goes to work smiling.请问为什么用smiling?

问题描述:

He wakes up early every morning and goes to work smiling.请问为什么用smiling?
而不是smily?是修饰go的?还是work的?不应该用副词吗?

我认为句子有错,因为
smiling 形容词,应该改为副词 smilingly ( adv.微笑地; 带笑; 咪; 笑眯眯)副词修饰动词