Oracle em security certificate problems for this website

When debugging the Oracle EM service on the local machine, the following interface is often displayed: "the security certificate of this website is faulty ". You often directly click "continue to browse this website (not recommended)" to enter the EM management interface for operations. Although you can perform normal operations after entering this page, it is very cumbersome after all, you will see this Red Cross every time. How can I directly access the website without clicking? You can solve this problem in the following steps: www.2cto.com

1) Click "continue to browse this website (not recommended)" to go To the EM logon page. A "Certificate error" prompt will appear on the address bar, click "Certificate error" and the following page will pop up: www.2cto.com
2) Click "view Certificate" to bring up the following prompt box, which lists Certificate Information: 3) Click "Install Certificate" to bring up the "Certificate Installation Wizard ", click "Next": www.2cto.com
4) Select "store all certificates in the following storage" and click "Browse" to bring up the certificate storage selection dialog box:
Select "Trusted Root Certificate Authority", click OK, return to the "Certificate import wizard" interface, click "Next", and select "finish" 5) before the formal operation, the system will pop up a "security warning" dialog box again, asking the user to confirm again, as follows: click "yes", the system will prompt as follows: Close the browser and re-open EM, at this time, the "security certificate of this website is faulty" error will no longer occur.