那是因为该库没有27.0.3.您可能需要27.1.0或27.0.2.

That's because there is no 27.0.3 for that library. You probably want 27.1.0, or perhaps 27.0.2.

您可以在 https://maven.google.com .

You can see the list of versions for the different artifact groups and artifacts at https://maven.google.com.