diff --git a/app/agent/tools/impl/add_subscribe.py b/app/agent/tools/impl/add_subscribe.py
index afc1b10e..fa471a10 100644
--- a/app/agent/tools/impl/add_subscribe.py
+++ b/app/agent/tools/impl/add_subscribe.py
@@ -73,12 +73,8 @@ class AddSubscribeTool(MoviePilotTool):
 
         try:
             subscribe_chain = SubscribeChain()
-            media_type_key = media_type.strip().lower()
-            if media_type_key == "movie":
-                media_type_enum = MediaType.MOVIE
-            elif media_type_key == "tv":
-                media_type_enum = MediaType.TV
-            else:
+            media_type_enum = MediaType.from_agent(media_type)
+            if not media_type_enum:
                 return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
 
             # 构建额外的订阅参数
diff --git a/app/agent/tools/impl/get_recommendations.py b/app/agent/tools/impl/get_recommendations.py
index 249a2dea..e0617b18 100644
--- a/app/agent/tools/impl/get_recommendations.py
+++ b/app/agent/tools/impl/get_recommendations.py
@@ -8,6 +8,7 @@ from pydantic import BaseModel, Field
 from app.agent.tools.base import MoviePilotTool
 from app.chain.recommend import RecommendChain
 from app.log import logger
+from app.schemas.types import MediaType, media_type_to_agent
 
 
 class GetRecommendationsInput(BaseModel):
@@ -75,8 +76,11 @@ class GetRecommendationsTool(MoviePilotTool):
                   media_type: Optional[str] = "all", limit: Optional[int] = 20, **kwargs) -> str:
         logger.info(f"执行工具: {self.name}, 参数: source={source}, media_type={media_type}, limit={limit}")
         try:
-            if media_type not in ["all", "movie", "tv"]:
-                return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv', 'all'"
+            if media_type != "all":
+                media_type_enum = MediaType.from_agent(media_type)
+                if not media_type_enum:
+                    return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv', 'all'"
+                media_type = media_type_enum.to_agent()  # 归一化为 "movie"/"tv"
 
             recommend_chain = RecommendChain()
             results = []
@@ -152,7 +156,7 @@ class GetRecommendationsTool(MoviePilotTool):
                         "title": r.get("title"),
                         "en_title": r.get("en_title"),
                         "year": r.get("year"),
-                        "type": r.get("type"),
+                        "type": media_type_to_agent(r.get("type")),
                         "season": r.get("season"),
                         "tmdb_id": r.get("tmdb_id"),
                         "imdb_id": r.get("imdb_id"),
diff --git a/app/agent/tools/impl/query_download_tasks.py b/app/agent/tools/impl/query_download_tasks.py
index c872b9eb..4d7c85e5 100644
--- a/app/agent/tools/impl/query_download_tasks.py
+++ b/app/agent/tools/impl/query_download_tasks.py
@@ -10,7 +10,7 @@ from app.chain.download import DownloadChain
 from app.db.downloadhistory_oper import DownloadHistoryOper
 from app.log import logger
 from app.schemas import TransferTorrent, DownloadingTorrent
-from app.schemas.types import TorrentStatus
+from app.schemas.types import TorrentStatus, media_type_to_agent
 
 
 class QueryDownloadTasksInput(BaseModel):
@@ -208,7 +208,7 @@ class QueryDownloadTasksTool(MoviePilotTool):
                     if d.media:
                         simplified["media"] = {
                             "tmdbid": d.media.get("tmdbid"),
-                            "type": d.media.get("type"),
+                            "type": media_type_to_agent(d.media.get("type")),
                             "title": d.media.get("title"),
                             "season": d.media.get("season"),
                             "episode": d.media.get("episode")
diff --git a/app/agent/tools/impl/query_library_exists.py b/app/agent/tools/impl/query_library_exists.py
index b7fdfdc5..d14ade56 100644
--- a/app/agent/tools/impl/query_library_exists.py
+++ b/app/agent/tools/impl/query_library_exists.py
@@ -8,7 +8,7 @@ from pydantic import BaseModel, Field
 from app.agent.tools.base import MoviePilotTool
 from app.chain.mediaserver import MediaServerChain
 from app.log import logger
-from app.schemas.types import MediaType
+from app.schemas.types import MediaType, media_type_to_agent
 
 
 class QueryLibraryExistsInput(BaseModel):
@@ -49,12 +49,8 @@ class QueryLibraryExistsTool(MoviePilotTool):
 
             media_type_enum = None
             if media_type:
-                media_type_key = media_type.strip().lower()
-                if media_type_key == "movie":
-                    media_type_enum = MediaType.MOVIE
-                elif media_type_key == "tv":
-                    media_type_enum = MediaType.TV
-                else:
+                media_type_enum = MediaType.from_agent(media_type)
+                if not media_type_enum:
                     return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
 
             media_chain = MediaServerChain()
@@ -109,7 +105,7 @@ class QueryLibraryExistsTool(MoviePilotTool):
             result_dict = {
                 "title": mediainfo.title,
                 "year": mediainfo.year,
-                "type": existsinfo.type.value if existsinfo.type else None,
+                "type": media_type_to_agent(existsinfo.type),
                 "server": existsinfo.server,
                 "server_type": existsinfo.server_type,
                 "itemid": existsinfo.itemid,
diff --git a/app/agent/tools/impl/query_media_detail.py b/app/agent/tools/impl/query_media_detail.py
index 1d5f55a9..a318bba4 100644
--- a/app/agent/tools/impl/query_media_detail.py
+++ b/app/agent/tools/impl/query_media_detail.py
@@ -8,7 +8,7 @@ from pydantic import BaseModel, Field
 from app.agent.tools.base import MoviePilotTool
 from app.chain.media import MediaChain
 from app.log import logger
-from app.schemas import MediaType
+from app.schemas.types import MediaType
 
 
 class QueryMediaDetailInput(BaseModel):
@@ -34,15 +34,13 @@ class QueryMediaDetailTool(MoviePilotTool):
         try:
             media_chain = MediaChain()
 
-            media_type_key = (media_type or "").strip().lower()
-            if media_type_key not in ["movie", "tv"]:
+            media_type_enum = MediaType.from_agent(media_type)
+            if not media_type_enum:
                 return json.dumps({
                     "success": False,
                     "message": f"无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
                 }, ensure_ascii=False)
 
-            media_type_enum = MediaType.MOVIE if media_type_key == "movie" else MediaType.TV
-
             mediainfo = await media_chain.async_recognize_media(tmdbid=tmdb_id, mtype=media_type_enum)
             
             if not mediainfo:
diff --git a/app/agent/tools/impl/query_popular_subscribes.py b/app/agent/tools/impl/query_popular_subscribes.py
index e519c148..5243aabc 100644
--- a/app/agent/tools/impl/query_popular_subscribes.py
+++ b/app/agent/tools/impl/query_popular_subscribes.py
@@ -10,7 +10,7 @@ from app.agent.tools.base import MoviePilotTool
 from app.core.context import MediaInfo
 from app.helper.subscribe import SubscribeHelper
 from app.log import logger
-from app.schemas.types import MediaType
+from app.schemas.types import MediaType, media_type_to_agent
 
 
 class QueryPopularSubscribesInput(BaseModel):
@@ -69,12 +69,13 @@ class QueryPopularSubscribesTool(MoviePilotTool):
                 page = 1
             if count is None or count < 1:
                 count = 30
-            if media_type not in ["movie", "tv"]:
+            media_type_enum = MediaType.from_agent(media_type)
+            if not media_type_enum:
                 return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
 
             subscribe_helper = SubscribeHelper()
             subscribes = await subscribe_helper.async_get_statistic(
-                stype=media_type,
+                stype=media_type_enum.to_agent(),
                 page=page,
                 count=count,
                 genre_id=genre_id,
@@ -134,7 +135,7 @@ class QueryPopularSubscribesTool(MoviePilotTool):
             for media in ret_medias:
                 media_dict = media.to_dict()
                 simplified = {
-                    "type": media_dict.get("type"),
+                    "type": media_type_to_agent(media_dict.get("type")),
                     "title": media_dict.get("title"),
                     "year": media_dict.get("year"),
                     "tmdb_id": media_dict.get("tmdb_id"),
diff --git a/app/agent/tools/impl/query_subscribe_history.py b/app/agent/tools/impl/query_subscribe_history.py
index e3b7f660..f0cc51f1 100644
--- a/app/agent/tools/impl/query_subscribe_history.py
+++ b/app/agent/tools/impl/query_subscribe_history.py
@@ -9,6 +9,7 @@ from app.agent.tools.base import MoviePilotTool
 from app.db import AsyncSessionFactory
 from app.db.models.subscribehistory import SubscribeHistory
 from app.log import logger
+from app.schemas.types import media_type_to_agent
 
 
 class QuerySubscribeHistoryInput(BaseModel):
@@ -83,7 +84,7 @@ class QuerySubscribeHistoryTool(MoviePilotTool):
                         "id": record.id,
                         "name": record.name,
                         "year": record.year,
-                        "type": record.type,
+                        "type": media_type_to_agent(record.type),
                         "season": record.season,
                         "tmdbid": record.tmdbid,
                         "doubanid": record.doubanid,
diff --git a/app/agent/tools/impl/query_subscribes.py b/app/agent/tools/impl/query_subscribes.py
index 2153155c..4018dbaf 100644
--- a/app/agent/tools/impl/query_subscribes.py
+++ b/app/agent/tools/impl/query_subscribes.py
@@ -8,6 +8,7 @@ from pydantic import BaseModel, Field
 from app.agent.tools.base import MoviePilotTool
 from app.db.subscribe_oper import SubscribeOper
 from app.log import logger
+from app.schemas.types import MediaType, media_type_to_agent
 
 
 class QuerySubscribesInput(BaseModel):
@@ -47,17 +48,16 @@ class QuerySubscribesTool(MoviePilotTool):
                   tmdb_id: Optional[int] = None, **kwargs) -> str:
         logger.info(f"执行工具: {self.name}, 参数: status={status}, media_type={media_type}, tmdb_id={tmdb_id}")
         try:
-            if media_type not in ["all", "movie", "tv"]:
+            if media_type != "all" and not MediaType.from_agent(media_type):
                 return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv', 'all'"
 
-            media_type_map = {"movie": "电影", "tv": "电视剧"}
             subscribe_oper = SubscribeOper()
             subscribes = await subscribe_oper.async_list()
             filtered_subscribes = []
             for sub in subscribes:
                 if status != "all" and sub.state != status:
                     continue
-                if media_type != "all" and sub.type != media_type_map.get(media_type):
+                if media_type != "all" and sub.type != MediaType.from_agent(media_type).value:
                     continue
                 if tmdb_id is not None and sub.tmdbid != tmdb_id:
                     continue
@@ -73,7 +73,7 @@ class QuerySubscribesTool(MoviePilotTool):
                         "id": s.id,
                         "name": s.name,
                         "year": s.year,
-                        "type": s.type,
+                        "type": media_type_to_agent(s.type),
                         "season": s.season,
                         "tmdbid": s.tmdbid,
                         "doubanid": s.doubanid,
diff --git a/app/agent/tools/impl/query_transfer_history.py b/app/agent/tools/impl/query_transfer_history.py
index 158031fb..b228d01b 100644
--- a/app/agent/tools/impl/query_transfer_history.py
+++ b/app/agent/tools/impl/query_transfer_history.py
@@ -10,6 +10,7 @@ from app.agent.tools.base import MoviePilotTool
 from app.db import AsyncSessionFactory
 from app.db.models.transferhistory import TransferHistory
 from app.log import logger
+from app.schemas.types import media_type_to_agent
 
 
 class QueryTransferHistoryInput(BaseModel):
@@ -95,7 +96,7 @@ class QueryTransferHistoryTool(MoviePilotTool):
                         "id": record.id,
                         "title": record.title,
                         "year": record.year,
-                        "type": record.type,
+                        "type": media_type_to_agent(record.type),
                         "category": record.category,
                         "seasons": record.seasons,
                         "episodes": record.episodes,
diff --git a/app/agent/tools/impl/recognize_media.py b/app/agent/tools/impl/recognize_media.py
index 82dea564..2f852770 100644
--- a/app/agent/tools/impl/recognize_media.py
+++ b/app/agent/tools/impl/recognize_media.py
@@ -10,6 +10,7 @@ from app.chain.media import MediaChain
 from app.core.context import Context
 from app.core.metainfo import MetaInfo
 from app.log import logger
+from app.schemas.types import media_type_to_agent
 
 
 class RecognizeMediaInput(BaseModel):
@@ -124,7 +125,7 @@ class RecognizeMediaTool(MoviePilotTool):
                 "title": media_info.get("title"),
                 "en_title": media_info.get("en_title"),
                 "year": media_info.get("year"),
-                "type": media_info.get("type"),
+                "type": media_type_to_agent(media_info.get("type")),
                 "season": media_info.get("season"),
                 "tmdb_id": media_info.get("tmdb_id"),
                 "imdb_id": media_info.get("imdb_id"),
@@ -145,7 +146,7 @@ class RecognizeMediaTool(MoviePilotTool):
                 "name": meta_info.get("name"),
                 "title": meta_info.get("title"),
                 "year": meta_info.get("year"),
-                "type": meta_info.get("type"),
+                "type": media_type_to_agent(meta_info.get("type")),
                 "begin_season": meta_info.get("begin_season"),
                 "end_season": meta_info.get("end_season"),
                 "begin_episode": meta_info.get("begin_episode"),
diff --git a/app/agent/tools/impl/search_media.py b/app/agent/tools/impl/search_media.py
index acfdbe38..4b15c5bb 100644
--- a/app/agent/tools/impl/search_media.py
+++ b/app/agent/tools/impl/search_media.py
@@ -8,7 +8,7 @@ from pydantic import BaseModel, Field
 from app.agent.tools.base import MoviePilotTool
 from app.chain.media import MediaChain
 from app.log import logger
-from app.schemas.types import MediaType
+from app.schemas.types import MediaType, media_type_to_agent
 
 
 class SearchMediaInput(BaseModel):
@@ -58,12 +58,8 @@ class SearchMediaTool(MoviePilotTool):
             if results:
                 media_type_enum = None
                 if media_type:
-                    media_type_key = media_type.strip().lower()
-                    if media_type_key == "movie":
-                        media_type_enum = MediaType.MOVIE
-                    elif media_type_key == "tv":
-                        media_type_enum = MediaType.TV
-                    else:
+                    media_type_enum = MediaType.from_agent(media_type)
+                    if not media_type_enum:
                         return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
 
                 filtered_results = []
@@ -87,7 +83,7 @@ class SearchMediaTool(MoviePilotTool):
                             "title": r.title,
                             "en_title": r.en_title,
                             "year": r.year,
-                            "type": r.type.value if r.type else None,
+                            "type": media_type_to_agent(r.type),
                             "season": r.season,
                             "tmdb_id": r.tmdb_id,
                             "imdb_id": r.imdb_id,
diff --git a/app/agent/tools/impl/search_subscribe.py b/app/agent/tools/impl/search_subscribe.py
index 1dc0ef03..b53783c4 100644
--- a/app/agent/tools/impl/search_subscribe.py
+++ b/app/agent/tools/impl/search_subscribe.py
@@ -10,6 +10,7 @@ from app.chain.subscribe import SubscribeChain
 from app.core.config import global_vars
 from app.db.subscribe_oper import SubscribeOper
 from app.log import logger
+from app.schemas.types import media_type_to_agent
 
 
 class SearchSubscribeInput(BaseModel):
@@ -58,7 +59,7 @@ class SearchSubscribeTool(MoviePilotTool):
                 "id": subscribe.id,
                 "name": subscribe.name,
                 "year": subscribe.year,
-                "type": subscribe.type,
+                "type": media_type_to_agent(subscribe.type),
                 "season": subscribe.season,
                 "state": subscribe.state,
                 "total_episode": subscribe.total_episode,
diff --git a/app/agent/tools/impl/search_torrents.py b/app/agent/tools/impl/search_torrents.py
index 63ee91aa..fb71fca7 100644
--- a/app/agent/tools/impl/search_torrents.py
+++ b/app/agent/tools/impl/search_torrents.py
@@ -63,12 +63,8 @@ class SearchTorrentsTool(MoviePilotTool):
             search_chain = SearchChain()
             media_type_enum = None
             if media_type:
-                media_type_key = media_type.strip().lower()
-                if media_type_key == "movie":
-                    media_type_enum = MediaType.MOVIE
-                elif media_type_key == "tv":
-                    media_type_enum = MediaType.TV
-                else:
+                media_type_enum = MediaType.from_agent(media_type)
+                if not media_type_enum:
                     return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
 
             filtered_torrents = await search_chain.async_search_by_id(
diff --git a/app/agent/tools/impl/transfer_file.py b/app/agent/tools/impl/transfer_file.py
index 8ebebaf4..ff17911c 100644
--- a/app/agent/tools/impl/transfer_file.py
+++ b/app/agent/tools/impl/transfer_file.py
@@ -93,12 +93,8 @@ class TransferFileTool(MoviePilotTool):
             # 处理媒体类型
             media_type_enum = None
             if media_type:
-                media_type_key = media_type.strip().lower()
-                if media_type_key == "movie":
-                    media_type_enum = MediaType.MOVIE
-                elif media_type_key == "tv":
-                    media_type_enum = MediaType.TV
-                else:
+                media_type_enum = MediaType.from_agent(media_type)
+                if not media_type_enum:
                     return f"错误：无效的媒体类型 '{media_type}'，支持的类型：'movie', 'tv'"
             
             # 调用整理方法
diff --git a/app/schemas/types.py b/app/schemas/types.py
index ad0a714f..e8e4ddc3 100644
--- a/app/schemas/types.py
+++ b/app/schemas/types.py
@@ -1,4 +1,5 @@
 from enum import Enum
+from typing import Optional
 
 
 # 媒体类型
@@ -8,6 +9,26 @@ class MediaType(Enum):
     COLLECTION = '系列'
     UNKNOWN = '未知'
 
+    @staticmethod
+    def from_agent(key: str) -> Optional["MediaType"]:
+        """'movie' -> MediaType.MOVIE, 'tv' -> MediaType.TV, 否则 None"""
+        _map = {"movie": MediaType.MOVIE, "tv": MediaType.TV}
+        return _map.get(key.strip().lower() if key else "")
+
+    def to_agent(self) -> str:
+        """MediaType.MOVIE -> 'movie', MediaType.TV -> 'tv', 其他返回 .value"""
+        return {MediaType.MOVIE: "movie", MediaType.TV: "tv"}.get(self, self.value)
+
+
+def media_type_to_agent(value) -> Optional[str]:
+    """将 MediaType 枚举或中文字符串统一转为 'movie'/'tv'"""
+    if isinstance(value, MediaType):
+        return value.to_agent()
+    if isinstance(value, str):
+        mt = MediaType.from_agent(value)
+        return mt.to_agent() if mt else value
+    return None
+
 
 # 排序类型枚举
 class SortType(Enum):