1, 12306 official Purchase ticket website (http://www.12306.cn/mormhweb/);
2, after entering the site you will see the home page has a "installation root certificate" as shown in the following figure;
3, then we enter on the 12306 download root certificate, and then we do decompression, after decompression you will see inside the "Root certificate Installation Instructions", read carefully;
4. Then we double-click the Srcr.cer root certificate file in the compressed package in the open interface as shown in the following figure;
5, then we click on "Installation Certificate" and then according to the Certificate Installation Wizard operation, the specific details are as follows;
6, the final installation will be completed with the installation of the prompt.
Okay, all right. After the root certificate is installed, we need to restart the browser before we can do it.