1, first use the browser on the tall. I recommend using Google Chrome, because the browser I use can be opened, and I haven't tried anything else, so I can toss it myself.
2. Make sure the website is correct, and the website of the civil aviation maintenance personnel information platform is/? (Previously favorite websites can be deleted), before? /It can't be used any more. Actually, I asked about technology. I should have made a jump on the original skyexam, so it is estimated that many people can open it.
3. Make sure there is nothing wrong with your network. Generally speaking, there are few reasons for this problem.