update cache

services/registry/registry.go

@@ -369,7 +369,7 @@ func (r *Registry) FindDeviceByIdentifier(identifier string, reply *models.Devic
 		if err != nil {
 			return err
 		}
-		cache.Set(cacheKey, &reply)
+		cache.Set(cacheKey, reply)
 	}
 
 	return nil