diff --git a/common/utils/fileManager.py b/common/utils/fileManager.py
index 6a19d18..b51d7e6 100644
--- a/common/utils/fileManager.py
+++ b/common/utils/fileManager.py
@@ -1,18 +1,20 @@
 import os
+from django.utils.deconstruct import deconstructible
 
-def dynamic_upload_to(prefix, field_name_func):
-    def wrapper(instance, filename):
+@deconstructible
+class DynamicUploadTo:
+    def __init__(self, prefix, field_name):
+        self.prefix = prefix
+        self.field_name = field_name
+
+    def __call__(self, instance, filename):
         ext = filename.split('.')[-1]
-        field_name = field_name_func(instance)
-
-        if prefix == 'user':
-            filename = f'{instance.nickname}-{field_name}.{ext}'
+        fname = self.field_name(instance) if callable(self.field_name) else self.field_name
+        if self.prefix == "user":
+            filename = f"{instance.nickname}-{fname}.{ext}"
         else:
-            filename = f'{instance.id}-{field_name}.{ext}'
-
-        return os.path.join(prefix, filename)
-    
-    return wrapper
+            filename = f"{instance.id}-{fname}.{ext}"
+        return os.path.join(self.prefix, filename)
 
 def file_delete(obj, field):
     getattr(obj, field).delete(save=False)