CORS Blocked by sketchfab.com

we viewer 3dmodel by viewer.api.
but it shows CORS problem yesterday , 7.31.
the first url it can work which we upload 0709
(https://mark3dcn.s3.cn-north-1.amazonaws.com.cn/custommaterial/20200709/2136178402/1745440261/1594256360184jpeg20200709171114172.jpeg)
but this url doesn’t work ,we uploaded 0731
(https://mark3dcn.s3.cn-north-1.amazonaws.com.cn/custommaterial/20200731/1781376987/168675577/1596192153411jpeg202007312013399606.jpeg)
the explorer shows “from origin ‘sketchfab.com’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.”
any one can check these 2 links for material.

You need to enable CORS on the textures that you serve from S3. Here’s the documentation:

https://docs.aws.amazon.com/AmazonS3/latest/dev/cors.html