diff --git a/core/utils/te/engines/Mongo.py b/core/utils/te/engines/Mongo.py
index 354de9e..22b1229 100644
--- a/core/utils/te/engines/Mongo.py
+++ b/core/utils/te/engines/Mongo.py
@@ -277,11 +277,31 @@ class MongoEngine(AbstractEngineClass):
         os.makedirs(temp_dir, exist_ok=True)
         return temp_dir
 
+    def _expand_headers_with_id_fields(self, cols: dict) -> list:
+        """
+        اگر design.nature در فیلدها باشد، design.nature_id هم اضافه می‌شود.
+        اگر design.budget در فیلدها باشد، design.budget_id هم اضافه می‌شود.
+        """
+        headers = list(cols.keys())
+        expanded = []
+        pair_rules = [
+            ('design.nature', 'design.nature_id', 'نام ماهیت'),
+            ('design.budget', 'design.budget_id', 'نام دسته بودجه'),
+        ]
+        for h in headers:
+            expanded.append(h)
+            for field, id_field, default_title in pair_rules:
+                if h == field and id_field not in headers and id_field not in expanded:
+                    expanded.append(id_field)
+                    cols[id_field] = cols.get(field, default_title) + ' (نام)'
+                    break
+        return expanded
+
     async def output_generator(self, query, file_name, cols):
         datas = query
         file_dir = os.path.join(self._excel_temp_dir(), file_name)
         head_cols = list(str(string.ascii_uppercase))
-        headers = list(cols.keys())
+        headers = self._expand_headers_with_id_fields(cols)
 
         workbook = xlsxwriter.Workbook(file_dir)
         worksheet = workbook.add_worksheet()