关于订阅库存 api返回这个 怎么处理？

{
  "status": "failed",
  "responseCode": 0,
  "message": "I/O error on POST request for \"">hongxindzkj.com/ti_updata\": PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target"
}