If there is a very obvious smell, it is best not to drink it first, and then report the problem to after-sales customer service.
Extended information: A cup (a vessel specially used to hold water) has been used for drinking alcohol or tea since ancient times. It generally has a small volume. Or in ancient times the cup used for drinking tea was called a gaiwan. Most of the basic shapes are straight or open, and the diameter of the rim is almost equal to the height of the cup. There are flat bottoms, hoop feet or high feet. Archaeological data show that the earliest cups appeared in the Neolithic Age. Pottery cups can be seen in the Yangshao Culture, Longshan Culture and Hemudu Culture sites. The cup shapes during this period were the most peculiar and diverse: those with ears were single-eared or double-eared cups, and those with feet were mostly conical, Three-legged cups, goblet-shaped cups, high-handled cups, etc.