That’s because the file is not a JPG file and your server does not return it with the right HTTP headers.
Attached pictures to explain myself better:
http://pds.saramin.co.kr/company/logo/oldfile_v1/dgt19959.jpg <-- then why this URL is fine?
and how can i solve it using fuse code?
then why this URL is fine?
Because that other URL is a proper JPG file.
and how can i solve it using fuse code?
You can’t solve this with Fuse. You need to use either JPG or PNG files.