diff --git a/app/api/endpoints/douban.py b/app/api/endpoints/douban.py
index 0567b241..d0b0eb17 100644
--- a/app/api/endpoints/douban.py
+++ b/app/api/endpoints/douban.py
@@ -38,7 +38,10 @@ async def recognize_doubanid(doubanid: str,
     """
     # 识别媒体信息
     context = DoubanChain().recognize_by_doubanid(doubanid=doubanid)
-    return context.to_dict()
+    if context:
+        return context.to_dict()
+    else:
+        return schemas.Context()
 
 
 @router.get("/movies", summary="豆瓣电影", response_model=List[schemas.MediaInfo])
diff --git a/app/api/endpoints/download.py b/app/api/endpoints/download.py
index 7717caeb..93595b97 100644
--- a/app/api/endpoints/download.py
+++ b/app/api/endpoints/download.py
@@ -1,9 +1,11 @@
 from typing import Any, List
 
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException
 
 from app import schemas
+from app.chain.douban import DoubanChain
 from app.chain.download import DownloadChain
+from app.chain.media import MediaChain
 from app.core.context import MediaInfo
 from app.core.metainfo import MetaInfo
 from app.core.security import verify_token
@@ -21,18 +23,30 @@ async def read_downloading(
     return DownloadChain().downloading()
 
 
-@router.post("/notexists", summary="查询电视剧缺失的剧集", response_model=List[NotExistMediaInfo])
+@router.post("/notexists", summary="查询缺失媒体信息", response_model=List[NotExistMediaInfo])
 async def exists(media_in: schemas.MediaInfo,
                  _: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
-    查询已存在的媒体信息
+    查询缺失媒体信息
     """
     # 媒体信息
     mediainfo = MediaInfo()
-    mediainfo.from_dict(media_in.dict())
-    # 元数据
-    meta = MetaInfo(title=mediainfo.title)
+    if media_in.tmdb_id:
+        mediainfo.from_dict(media_in.dict())
+        meta = MetaInfo(title=mediainfo.title)
+    elif media_in.douban_id:
+        context = DoubanChain().recognize_by_doubanid(doubanid=media_in.douban_id)
+        if context:
+            mediainfo = context.media_info
+            meta = context.meta_info
+    else:
+        context = MediaChain().recognize_by_title(title=f"{media_in.title} {media_in.year}")
+        if context:
+            mediainfo = context.media_info
+            meta = context.meta_info
     # 查询缺失信息
+    if not mediainfo.tmdb_id:
+        raise HTTPException(status_code=404, detail="媒体信息不存在")
     exist_flag, no_exists = DownloadChain().get_no_exists_info(meta=meta, mediainfo=mediainfo)
     if mediainfo.type == MediaType.MOVIE:
         # 电影已存在时返回空列表，存在时返回空对像列表
diff --git a/app/api/endpoints/media.py b/app/api/endpoints/media.py
index 0c1d6918..f18fa734 100644
--- a/app/api/endpoints/media.py
+++ b/app/api/endpoints/media.py
@@ -18,7 +18,9 @@ async def recognize(title: str,
     """
     # 识别媒体信息
     context = MediaChain().recognize_by_title(title=title, subtitle=subtitle)
-    return context.to_dict()
+    if context:
+        return context.to_dict()
+    return schemas.Context()
 
 
 @router.get("/search", summary="搜索媒体信息", response_model=List[schemas.MediaInfo])