fix: leak of response model.

backend/src/module/models/__init__.py

@@ -3,4 +3,4 @@ from .config import Config
 from .rss import RSSItem, RSSUpdate
 from .torrent import EpisodeFile, SubtitleFile, Torrent, TorrentUpdate
 from .user import UserLogin, User, UserUpdate
-from .response import ResponseModel
+from .response import ResponseModel, APIResponse

backend/src/module/models/response.py

@@ -6,3 +6,8 @@ class ResponseModel(BaseModel):
     status_code: int = Field(..., example=200)
     msg_en: str
     msg_zh: str
+
+
+class APIResponse(BaseModel):
+    msg_en: str = Field(..., example="Success")
+    msg_zh: str = Field(..., example="成功")