1. The data of vehicle belt timed out and the traffic ran out.
2. Surrounded by interference sources or shielding equipment, try again in another place. Compass, also known as compass, is a feng shui detection tool and a commonly used operation tool for managing style. The compass is mainly composed of a magnetic needle in the center of a disk and a series of concentric circles, each of which represents the ancient people in China's understanding of a certain level of information in the cosmic system.