Recently, I was a little white, make a cloudreve network backup, but found that download run with bandwidth (half), I wanted to see if the CDN can line, tencent cloud object storage is to quickly open the CDN, I finish all the configuration, opens the CDN authentication configuration, through cloudreve download files, all return 403, closing the CDN authentication configuration, can be accessed, but download speed is slower than don't open the CDN, ever understand bosses, give directions!