Fix

src/services/task_creator.rs

@@ -239,9 +239,7 @@ pub async fn create_task(
 
     TASK_RESULTS.insert(key.clone(), task.clone()).await;
 
-    tokio::spawn(async {
-        create_archive_task(key, data).await;
-    });
+    tokio::spawn(create_archive_task(key, data));
 
     task
 }

src/services/utils.rs

@@ -100,6 +100,16 @@ pub async fn get_filename(object_type: ObjectType, object_id: u32, file_format:
         },
     };
 
+    let result_filename = {
+        let postfix = match object_type {
+            ObjectType::Sequence => "s",
+            ObjectType::Author => "a",
+            ObjectType::Translator => "t",
+        };
+
+        format!("{result_filename}_{postfix}")
+    };
+
     let final_filename = {
         let transliterator = Transliterator::new(gost779b_ru());