It is a problem under the network environment that the hacker guardian can't open it. Before opening the software, you need to ensure that the network is unblocked. It is recommended to check the network situation or change the network connection mode before repeating this operation.
Guardian APP synchronizes the official driving test subject 1, subject 4 question bank and subjects, and classifies the question bank in detail to facilitate students' systematic study, effectively help students improve their grades and pass the exam smoothly.