fix dataclass

app/core/context.py

@@ -58,6 +58,9 @@ class TorrentInfo:
     def __setattr__(self, name: str, value: Any):
         self.__dict__[name] = value
 
+    def __getattr__(self, name):
+        return None
+
     def __get_properties(self):
         """
         获取属性列表
@@ -175,6 +178,9 @@ class MediaInfo:
     def __setattr__(self, name: str, value: Any):
         self.__dict__[name] = value
 
+    def __getattr__(self, name):
+        return None
+
     def __get_properties(self):
         """
         获取属性列表
@@ -512,9 +518,6 @@ class Context:
     # 种子信息
     torrent_info: TorrentInfo = None
 
-    def __setattr__(self, name: str, value: Any):
-        self.__dict__[name] = value
-
     def to_dict(self):
         """
         转换为字典