Strange Nuget Package Problem on VS2017 v141 toolset

[LittleXC0403]

Is that mean the libpng package on Nuget can only be used on v120 or v140 toolset?
I got libpng Nuget package on VS2017(on WIN10) using v141 toolset and wrote some testing code according to the manual, all png_* functions in main func just got LNK2019 unresolved external symbols.
The libpng.targets file from packages seems right and lib files are just there but I don't think it works when linking.