为何 番羽与不番羽 登陆 QQ 邮箱时提示 SSL 证书不同？

直接上图 发现上不了图
1 直接访问的时候
证书颁发者为
CN = VeriSign Class 3 Extended Validation CA
O = Terms of use at https://www.verisign.com/rpa
L = VeriSign Trust Network
S = VeriSign, Inc.
C = US

使用者为
CN = mail.qq.com
OU = R&D
O = Shenzhen Tencent Computer Systems Company Limited
L = Shenzhen
S = Guangdong
C = CN

url地址前半部分为 https://mail.qq.com/cgi-bin/login?lc=zh_CN&vm=pt&Fun=clientread&ADUIN=***** QQ号

2 番羽后
证书颁发者为
CN = GeoTrust SSL CA - G2
O = GeoTrust Inc.
C = US

使用者为
CN = mail.qq.com
OU = R&D
O = Shenzhen Tencent Computer Systems Company Limited
L = Shenzhen
S = Guangdong
C = CN

url地址前半部分为 https://mail.qq.com/cgi-bin/loginpage?autologin=n&errtype=4&clientuin=****** QQ号