每次我尝试save and train在 Luis.ai 上时，我都会收到一个错误对话框，然后
Access to XMLHttpRequest at 'https://puzzleqna.cognitiveservices.azure.com/qnamaker/v4.0/knowledgebases/.....
from origin 'https://www.qnamaker.ai'
has been blocked by CORS policy:
Method PATCH is not allowed by Access-Control-Allow-Methods in preflight response.
6.fe97106b3db0546c50…olyfills.chunk.js:2
PATCH https://puzzleqna.cognitiveservices.azure.com/qnamaker/v4.0/knowledgebases/xxx... net::ERR_FAILED
几天来一直遇到这个问题，所以我想这与我的帐户有关，但不确定。