About user image pull picture resource, the case that the picture becomes 404 page

Qiniu Seven cow problem solution

Users this problem occurs because the user site server in the other person to access his picture link, although the picture does not exist, but will return 200 of the status code, normal should return 404.

Problem Resolution 1, the first user can use the command to see if their server is normal, I give an example here.

First the above URL is a non-existent picture, but returns the 200 status code rate.

2, this will cause, when the user picture does not exist, if the domain name to use seven cattle to access this picture resources, and then the source station server returned 200, seven cows will think that the crawl succeeds, will return the other side of the 404html Web page, grabbed over. Results are demonstrated, as well as the solution. 1, user's fetch error example.

2, the user correctly adjusts the status code of the server to return.

About user image pull picture resource, the case that the picture becomes 404 page