SSL certificate problem

```
curl https://appapi.chnmuseum.cn/api/exhibit/share_link?p=i&exhibit_id=1
```

curl: (60) SSL certificate problem: unable to get local issuer certificate
More details here: https://curl.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not establish a secure connection to it. To learn more about this situation and how to fix it, please visit the web page ment ioned above.