diff --git a/backend/apps/archive/management/commands/import_data.py b/backend/apps/archive/management/commands/import_data.py
index 8d4c988..439a645 100644
--- a/backend/apps/archive/management/commands/import_data.py
+++ b/backend/apps/archive/management/commands/import_data.py
@@ -33,6 +33,7 @@ from apps.files.tasks import (
     generate_blur_hash_PostFile,
     generate_md5_hash_PostFile,
     generate_video_thumbnail,
+    generate_pdf_thumbnail,
 )
 
 
@@ -149,6 +150,10 @@ class BaseImporter(ABC):
                 if not file_instance.thumbnail:
                     generate_video_thumbnail.delay(file_instance.id)
 
+            if file_instance.file_type in ["pdf"]:
+                if not file_instance.thumbnail:
+                    generate_pdf_thumbnail.delay(file_instance.id)
+
             # Generate MD5 hash if not exists
             if not file_instance.hash_md5:
                 generate_md5_hash_PostFile.delay(file_instance.id)