retouch
verb [ T ] uk/ˌriːˈtʌtʃ/ us/ˌriːˈtʌtʃ/
（尤指为完善而）润色，修饰，修整
to make small changes to a picture, photograph, etc., especially in order to improve it
We had the wedding photos retouched to make it seem like a sunny day. 我们把结婚照进行了修饰，这样看上去就像是在晴天照的一样。