fix picture list sort by gmtModified DESC

rankin-resource-service/src/main/java/cn/rankin/resourceservice/service/ResourceService.java

@@ -57,7 +57,7 @@ public class ResourceService {
             return APIResult.ok(page);
         }
 
-        List<Resource> resourceList = resourceRepository.find(resource, page.getStart(), pageSize, new Sort(Sort.Direction.DESC, "gmt_modified"));
+        List<Resource> resourceList = resourceRepository.find(resource, page.getStart(), pageSize, new Sort(Sort.Direction.DESC, "gmtModified"));
         resourceList.forEach(r -> {
             initResourceUrl(r);
         });