The reason for this problem is that there is a conflict between softwares, so this problem can be solved by uninstalling the newly installed software. Check whether GPS navigation is turned on. If not, you need to open the GPS navigation first, and then reopen the map software, and the positioning is successful.
Qin' an County is located in the southeast of Gansu Province. The county is about 65 kilometers long from east to west, 5 kilometers wide from north to south, and the altitude is 112-22 meters. It belongs to the Liang Mao gully region in the west of the Loess Plateau in central Gansu, with many mountains and few rivers, poor natural conditions and poor mineral resources. It was once a key county for poverty alleviation and development in China, a poverty-stricken county in Liupanshan and a deep poverty-stricken county in Gansu Province.