diff --git a/app/chain/download.py b/app/chain/download.py
index 0b8adcad..76878a31 100644
--- a/app/chain/download.py
+++ b/app/chain/download.py
@@ -6,6 +6,7 @@ import time
 from pathlib import Path
 from typing import List, Optional, Tuple, Set, Dict, Union
 
+from app import schemas
 from app.chain import ChainBase
 from app.core.config import settings
 from app.core.context import MediaInfo, TorrentInfo, Context
@@ -908,4 +909,14 @@ class DownloadChain(ChainBase):
         if not hash_str:
             return
         logger.warn(f"检测到下载源文件被删除，删除下载任务（不含文件）：{hash_str}")
-        self.remove_torrents(hashs=[hash_str], delete_file=False)
+        # 先查询种子
+        torrents: List[schemas.TransferTorrent] = self.list_torrents(hashs=[hash_str])
+        if torrents:
+            self.remove_torrents(hashs=[hash_str], delete_file=False)
+            # 发出下载任务删除事件，如需处理辅种，可监听该事件
+            self.eventmanager.send_event(EventType.DownloadDeleted, {
+                "hash": hash_str,
+                "torrents": [torrent.dict() for torrent in torrents]
+            })
+        else:
+            logger.info(f"没有在下载器中查询到 {hash_str} 对应的下载任务")
diff --git a/app/modules/qbittorrent/__init__.py b/app/modules/qbittorrent/__init__.py
index ac7cdae3..31cfa8e7 100644
--- a/app/modules/qbittorrent/__init__.py
+++ b/app/modules/qbittorrent/__init__.py
@@ -197,6 +197,7 @@ class QbittorrentModule(_ModuleBase):
                     title=torrent.get('name'),
                     path=torrent_path,
                     hash=torrent.get('hash'),
+                    size=torrent.get('total_size'),
                     tags=torrent.get('tags')
                 ))
         elif status == TorrentStatus.TRANSFER:
diff --git a/app/modules/transmission/__init__.py b/app/modules/transmission/__init__.py
index bb8f79fc..1e0dc624 100644
--- a/app/modules/transmission/__init__.py
+++ b/app/modules/transmission/__init__.py
@@ -185,6 +185,7 @@ class TransmissionModule(_ModuleBase):
                     title=torrent.name,
                     path=Path(torrent.download_dir) / torrent.name,
                     hash=torrent.hashString,
+                    size=torrent.total_size,
                     tags=",".join(torrent.labels or [])
                 ))
         elif status == TorrentStatus.TRANSFER:
diff --git a/app/schemas/transfer.py b/app/schemas/transfer.py
index 6fb5e4d4..39b10eeb 100644
--- a/app/schemas/transfer.py
+++ b/app/schemas/transfer.py
@@ -12,6 +12,7 @@ class TransferTorrent(BaseModel):
     path: Optional[Path] = None
     hash: Optional[str] = None
     tags: Optional[str] = None
+    size: Optional[int] = 0
     userid: Optional[str] = None
 
 
diff --git a/app/schemas/types.py b/app/schemas/types.py
index 1a91ac4b..cde3ec20 100644
--- a/app/schemas/types.py
+++ b/app/schemas/types.py
@@ -32,6 +32,8 @@ class EventType(Enum):
     HistoryDeleted = "history.deleted"
     # 删除下载源文件
     DownloadFileDeleted = "downloadfile.deleted"
+    # 删除下载任务
+    DownloadDeleted = "download.deleted"
     # 收到用户外来消息
     UserMessage = "user.message"
     # 收到Webhook消息