Query address info page always loading

[AnonymMan]

When i query the address info by https://polkascan.io/kusama/account/D4We7Kq3JkW75sCKKXgcdW12985m4wGhVbMdb4n3Hs61pTq, the explorer page is always loading state. this address's balance is 0.017433334294ksm.

and I found the error from console.

Access to XMLHttpRequest at 'https://explorer-31.polkascan.io/kusama/api/v1/account/D4We7Kq3JkW75sCKKXgcdW12985m4wGhVbMdb4n3Hs61pTq' from origin 'https://polkascan.io' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

curl -s https://explorer-31.polkascan.io/kusama/api/v1/account/D4We7Kq3JkW75sCKKXgcdW12985m4wGhVbMdb4n3Hs61pTq

{"error": "service unavailable"}