求教，爬知乎的 Api 接口遇到了一点问题， https 包显示 unknown

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• URL https://www.zhihu.com
• Status Failed
• Failure SSLHandshake: Received fatal alert: certificate_unknown

查了一下似乎没有人遇到？是我的配置有问题吗？
Android 端和 PC 都安装了信任证书

抓到了 https 信息如下
URL https://www.zhihu.com
Status Failed
Failure SSLHandshake: Received fatal alert: certificate_unknown
Response Code -
Protocol HTTP/1.1
SSL TLSv1.2 (TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) [http/1.1]
Method CONNECT
Kept Alive No
Content-Type -
Client Address /172.16.24.66
Remote Address www.zhihu.com/118.178.213.186
Connection Timing Request Start Time 17-5-27 18:40:27
Request End Time -
Response Start Time -
Response End Time 17-5-27 18:40:28
Duration 130 ms
DNS 35 ms
Connect 11 ms
SSL Handshake 35 ms
Request -
Response -
Latency -
Speed 884 B/s
Request Speed -
Response Speed -
Size
Request 115 bytes
Response -
Total 115 bytes


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(*꒦ິ⌓꒦ີ)