Open the "Tools" menu of IE browser, select "Internet Options"-"Advanced" option, and do the following in the drop-down menu "Security": 1, and remove the "tick" before "Check server certificate revocation"; 2. Delete "√" before "Check whether the issuer's certificate has been revoked"; 3. Put "√" before "using SSL2.0"; "Use SSL3.0" is before "tick". After the above operations are completed, please close the browser and reopen the webpage.