After you have obtained the digital certificate of Shenzhen CA, installed the driver of UKey and modified the PIN code, please set up IE browser first. After the setting is completed, you can use the digital certificate of Shenzhen CA, Ukey, to log in to Zunyi Public Resource Trading Center to handle related business.

1. Set Trusted Sites

Find Internet Options in the toolbar, select Trusted Sites in Security, and then click Sites. Remove the check in front of "Require all websites in this area to have server authentication" and add the website of Zunyi Public Resource Trading Center to "Add this website to this area". The operation steps are as follows.

2. Set a custom security level

Find "Internet Options" in the toolbar, click "Security", find "Custom Level", and put all "ActiveX? Controls and plug-ins are all enabled ("Do not prompt only approved domains to use ActiveX" is disabled).

3. Close the pop-up blocker.

Click Tools in the upper left corner of the menu bar of IE browser, and select Pop-up Interceptor → Close Pop-up Interceptor, as shown below:

4. Set compatibility view

Click "Tools" in the upper left corner of IE browser menu bar, select "Compatibility View Settings", add a URL, and close.