IPFS的公共网关还是蛮稀缺的，而且很多在国内是访问不了的，所以，只能多试下啰。
https://ipfs.io/ipfs
https://ipfs.jeroendeneef.com/ipfs
https://na.siderus.io/ipfs/
https://ipfs.busy.org/ipfs
http://gateway.ipfs.io/ipfs
https://siderus.io/ipfs/
https://ipfs.jes.xxx/ipfs/
https://eu.siderus.io/ipfs/
https://na.siderus.io/ipfs/
https://ipfs.eternum.io/ipfs/
https://hardbin.com/ipfs/
https://gateway.temporal.cloud/ipfs/
https://jorropo.ovh/ipfs/