diff --git a/app/actions/add_download.py b/app/actions/add_download.py
index c25eb922..0558c2bf 100644
--- a/app/actions/add_download.py
+++ b/app/actions/add_download.py
@@ -34,6 +34,8 @@ class AddDownloadAction(BaseAction):
         super().__init__(action_id)
         self.downloadchain = DownloadChain()
         self.mediachain = MediaChain()
+        self._added_downloads = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/actions/add_subscribe.py b/app/actions/add_subscribe.py
index 300aa1b6..8c4ac8fa 100644
--- a/app/actions/add_subscribe.py
+++ b/app/actions/add_subscribe.py
@@ -26,6 +26,8 @@ class AddSubscribeAction(BaseAction):
         super().__init__(action_id)
         self.subscribechain = SubscribeChain()
         self.subscribeoper = SubscribeOper()
+        self._added_subscribes = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/actions/fetch_downloads.py b/app/actions/fetch_downloads.py
index 79c0ed48..3e8c6be4 100644
--- a/app/actions/fetch_downloads.py
+++ b/app/actions/fetch_downloads.py
@@ -21,6 +21,7 @@ class FetchDownloadsAction(BaseAction):
     def __init__(self, action_id: str):
         super().__init__(action_id)
         self.chain = ActionChain()
+        self._downloads = []
 
     @classmethod
     @property
diff --git a/app/actions/fetch_medias.py b/app/actions/fetch_medias.py
index 5364fc10..5d98de60 100644
--- a/app/actions/fetch_medias.py
+++ b/app/actions/fetch_medias.py
@@ -34,6 +34,8 @@ class FetchMediasAction(BaseAction):
     def __init__(self, action_id: str):
         super().__init__(action_id)
 
+        self._medias = []
+        self._has_error = False
         self.__inner_sources = [
             {
                 "func": RecommendChain().tmdb_trending,
diff --git a/app/actions/fetch_rss.py b/app/actions/fetch_rss.py
index d0abfef2..eac7a26b 100644
--- a/app/actions/fetch_rss.py
+++ b/app/actions/fetch_rss.py
@@ -36,6 +36,8 @@ class FetchRssAction(BaseAction):
         super().__init__(action_id)
         self.rsshelper = RssHelper()
         self.chain = ActionChain()
+        self._rss_torrents = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/actions/fetch_torrents.py b/app/actions/fetch_torrents.py
index fb17eda8..5e88a465 100644
--- a/app/actions/fetch_torrents.py
+++ b/app/actions/fetch_torrents.py
@@ -34,6 +34,7 @@ class FetchTorrentsAction(BaseAction):
     def __init__(self, action_id: str):
         super().__init__(action_id)
         self.searchchain = SearchChain()
+        self._torrents = []
 
     @classmethod
     @property
diff --git a/app/actions/filter_medias.py b/app/actions/filter_medias.py
index f6e34158..d14f29f1 100644
--- a/app/actions/filter_medias.py
+++ b/app/actions/filter_medias.py
@@ -24,6 +24,10 @@ class FilterMediasAction(BaseAction):
 
     _medias = []
 
+    def __init__(self, action_id: str):
+        super().__init__(action_id)
+        self._medias = []
+
     @classmethod
     @property
     def name(cls) -> str: # noqa
diff --git a/app/actions/filter_torrents.py b/app/actions/filter_torrents.py
index efc10fbf..8fdd6f2a 100644
--- a/app/actions/filter_torrents.py
+++ b/app/actions/filter_torrents.py
@@ -33,6 +33,7 @@ class FilterTorrentsAction(BaseAction):
         super().__init__(action_id)
         self.torrenthelper = TorrentHelper()
         self.chain = ActionChain()
+        self._torrents = []
 
     @classmethod
     @property
diff --git a/app/actions/scan_file.py b/app/actions/scan_file.py
index 2a833955..7092d320 100644
--- a/app/actions/scan_file.py
+++ b/app/actions/scan_file.py
@@ -30,6 +30,8 @@ class ScanFileAction(BaseAction):
     def __init__(self, action_id: str):
         super().__init__(action_id)
         self.storagechain = StorageChain()
+        self._fileitems = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/actions/scrape_file.py b/app/actions/scrape_file.py
index ee08f883..1353a991 100644
--- a/app/actions/scrape_file.py
+++ b/app/actions/scrape_file.py
@@ -28,6 +28,8 @@ class ScrapeFileAction(BaseAction):
         super().__init__(action_id)
         self.storagechain = StorageChain()
         self.mediachain = MediaChain()
+        self._scraped_files = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/actions/transfer_file.py b/app/actions/transfer_file.py
index 4ae0f4e8..962bfeaa 100644
--- a/app/actions/transfer_file.py
+++ b/app/actions/transfer_file.py
@@ -34,6 +34,8 @@ class TransferFileAction(BaseAction):
         self.transferchain = TransferChain()
         self.storagechain = StorageChain()
         self.transferhis = TransferHistoryOper()
+        self._fileitems = []
+        self._has_error = False
 
     @classmethod
     @property
diff --git a/app/core/workflow.py b/app/core/workflow.py
index 30f23515..a03d0215 100644
--- a/app/core/workflow.py
+++ b/app/core/workflow.py
@@ -63,6 +63,8 @@ class WorkFlowManager(metaclass=Singleton):
         if not context:
             context = ActionContext()
         if action.type in self._actions:
+            # 实例化之前，清理掉类对象的数据
+
             # 实例化
             action_obj = self._actions[action.type](action.id)
             # 执行