diff --git a/backend/api/v1/requests_app/serializers.py b/backend/api/v1/requests_app/serializers.py
index 7496ae4f..f1ca899a 100644
--- a/backend/api/v1/requests_app/serializers.py
+++ b/backend/api/v1/requests_app/serializers.py
@@ -74,7 +74,7 @@ class RequestReadSerializer(serializers.ModelSerializer):
     is_final = serializers.BooleanField(read_only=True)
     
     # URL для вложенного файла (аналогично file_url в DocumentReadSerializer)
-    attachment_url = serializers.FileField(source="attachment", read_only=True)
+    attachment_url = serializers.FileField(source="attachment", read_only=True, use_url=True)
     
     # Новые поля для получателей
     departments = serializers.PrimaryKeyRelatedField(
diff --git a/backend/requests_app/templatetags/req_tags.py b/backend/requests_app/templatetags/req_tags.py
index f03ba856..609075d5 100644
--- a/backend/requests_app/templatetags/req_tags.py
+++ b/backend/requests_app/templatetags/req_tags.py
@@ -4,6 +4,33 @@ from datetime import datetime
 register = template.Library()
 
 
+@register.simple_tag(takes_context=True)
+def absolute_url(context, relative_url):
+    """
+    Преобразует относительный URL в абсолютный с доменом.
+    
+    Args:
+        context: контекст шаблона (автоматически передаётся)
+        relative_url: относительный путь (например, /media/file.pdf)
+    
+    Returns:
+        Полный URL с доменом (например, https://domain.com/media/file.pdf)
+    """
+    if not relative_url:
+        return ""
+    
+    # Если уже абсолютный URL - возвращаем как есть
+    if relative_url.startswith(('http://', 'https://')):
+        return relative_url
+    
+    request = context.get('request')
+    if request:
+        return request.build_absolute_uri(relative_url)
+    
+    # Fallback - возвращаем относительный URL
+    return relative_url
+
+
 @register.filter
 def in_list(value, csv):
     items = [s.strip() for s in str(csv).split(",") if s.strip()]
diff --git a/backend/templates/requests_app/request_detail.html b/backend/templates/requests_app/request_detail.html
index 4b82cc93..325acfcb 100644
--- a/backend/templates/requests_app/request_detail.html
+++ b/backend/templates/requests_app/request_detail.html
@@ -80,7 +80,7 @@
 
           {% if request_obj.attachment %}
             <a class="btn btn-ghost d-inline-flex align-items-center gap-1"
-               href="{{ request_obj.attachment.url }}" target="_blank" rel="noopener">
+               href="{% absolute_url request_obj.attachment.url %}" target="_blank" rel="noopener">
               <i class="bi-paperclip"></i><span>Вложение</span>
             </a>
           {% endif %}
diff --git a/backend/templates/requests_app/request_list_full.html b/backend/templates/requests_app/request_list_full.html
index e02d4201..6f7c22e5 100644
--- a/backend/templates/requests_app/request_list_full.html
+++ b/backend/templates/requests_app/request_list_full.html
@@ -204,7 +204,7 @@
               <span class="txt-close">Скрыть</span>
             </button>
             {% if obj.attachment %}
-              <a href="{{ obj.attachment }}" class="btn btn-ghost btn-sm d-inline-flex align-items-center gap-1" target="_blank">
+              <a href="{% absolute_url obj.attachment.url %}" class="btn btn-ghost btn-sm d-inline-flex align-items-center gap-1" target="_blank">
                 <i class="bi-paperclip"></i><span>Вложение</span>
               </a>
             {% endif %}
diff --git a/backend/templates/requests_app/request_process.html b/backend/templates/requests_app/request_process.html
index 22d4e4ff..17c75f9d 100644
--- a/backend/templates/requests_app/request_process.html
+++ b/backend/templates/requests_app/request_process.html
@@ -86,7 +86,7 @@
           {# Вложение сотрудника (если есть) #}
           {% if request_obj.attachment %}
             <a class="btn btn-ghost d-inline-flex align-items-center gap-1"
-               href="{{ request_obj.attachment.url }}" target="_blank"
+               href="{% absolute_url request_obj.attachment.url %}" target="_blank"
                rel="noopener noreferrer" download>
               <i class="bi-paperclip"></i><span>Вложение сотрудника</span>
             </a>