diff --git a/app/api/endpoints/bangumi.py b/app/api/endpoints/bangumi.py
index 999ca51f..f9ac4f46 100644
--- a/app/api/endpoints/bangumi.py
+++ b/app/api/endpoints/bangumi.py
@@ -4,6 +4,7 @@ from fastapi import APIRouter, Depends
 
 from app import schemas
 from app.chain.bangumi import BangumiChain
+from app.chain.recommend import RecommendChain
 from app.core.context import MediaInfo
 from app.core.security import verify_token
 
@@ -17,10 +18,7 @@ def calendar(page: int = 1,
     """
     浏览Bangumi每日放送
     """
-    medias = BangumiChain().calendar()
-    if medias:
-        return [media.to_dict() for media in medias[(page - 1) * count: page * count]]
-    return []
+    return RecommendChain().bangumi_calendar(page=page, count=count)
 
 
 @router.get("/credits/{bangumiid}", summary="查询Bangumi演职员表", response_model=List[schemas.MediaPerson])
diff --git a/app/api/endpoints/douban.py b/app/api/endpoints/douban.py
index 3de5ad8d..6be0e8e7 100644
--- a/app/api/endpoints/douban.py
+++ b/app/api/endpoints/douban.py
@@ -4,6 +4,7 @@ from fastapi import APIRouter, Depends
 
 from app import schemas
 from app.chain.douban import DoubanChain
+from app.chain.recommend import RecommendChain
 from app.core.context import MediaInfo
 from app.core.security import verify_token
 from app.schemas import MediaType
@@ -40,10 +41,7 @@ def movie_showing(page: int = 1,
     """
     浏览豆瓣正在热映
     """
-    movies = DoubanChain().movie_showing(page=page, count=count)
-    if movies:
-        return [media.to_dict() for media in movies]
-    return []
+    return RecommendChain().douban_movie_showing(page=page, count=count)
 
 
 @router.get("/movies", summary="豆瓣电影", response_model=List[schemas.MediaInfo])
@@ -55,11 +53,7 @@ def douban_movies(sort: str = "R",
     """
     浏览豆瓣电影信息
     """
-    movies = DoubanChain().douban_discover(mtype=MediaType.MOVIE,
-                                           sort=sort, tags=tags, page=page, count=count)
-    if movies:
-        return [media.to_dict() for media in movies]
-    return []
+    return RecommendChain().douban_movies(sort=sort, tags=tags, page=page, count=count)
 
 
 @router.get("/tvs", summary="豆瓣剧集", response_model=List[schemas.MediaInfo])
@@ -71,11 +65,7 @@ def douban_tvs(sort: str = "R",
     """
     浏览豆瓣剧集信息
     """
-    tvs = DoubanChain().douban_discover(mtype=MediaType.TV,
-                                        sort=sort, tags=tags, page=page, count=count)
-    if tvs:
-        return [media.to_dict() for media in tvs]
-    return []
+    return RecommendChain().douban_tvs(sort=sort, tags=tags, page=page, count=count)
 
 
 @router.get("/movie_top250", summary="豆瓣电影TOP250", response_model=List[schemas.MediaInfo])
@@ -85,10 +75,7 @@ def movie_top250(page: int = 1,
     """
     浏览豆瓣剧集信息
     """
-    movies = DoubanChain().movie_top250(page=page, count=count)
-    if movies:
-        return [media.to_dict() for media in movies]
-    return []
+    return RecommendChain().douban_movie_top250(page=page, count=count)
 
 
 @router.get("/tv_weekly_chinese", summary="豆瓣国产剧集周榜", response_model=List[schemas.MediaInfo])
@@ -98,10 +85,7 @@ def tv_weekly_chinese(page: int = 1,
     """
     中国每周剧集口碑榜
     """
-    tvs = DoubanChain().tv_weekly_chinese(page=page, count=count)
-    if tvs:
-        return [media.to_dict() for media in tvs]
-    return []
+    return RecommendChain().douban_tv_weekly_chinese(page=page, count=count)
 
 
 @router.get("/tv_weekly_global", summary="豆瓣全球剧集周榜", response_model=List[schemas.MediaInfo])
@@ -111,10 +95,7 @@ def tv_weekly_global(page: int = 1,
     """
     全球每周剧集口碑榜
     """
-    tvs = DoubanChain().tv_weekly_global(page=page, count=count)
-    if tvs:
-        return [media.to_dict() for media in tvs]
-    return []
+    return RecommendChain().douban_tv_weekly_global(page=page, count=count)
 
 
 @router.get("/tv_animation", summary="豆瓣动画剧集", response_model=List[schemas.MediaInfo])
@@ -124,10 +105,7 @@ def tv_animation(page: int = 1,
     """
     热门动画剧集
     """
-    tvs = DoubanChain().tv_animation(page=page, count=count)
-    if tvs:
-        return [media.to_dict() for media in tvs]
-    return []
+    return RecommendChain().douban_tv_animation(page=page, count=count)
 
 
 @router.get("/movie_hot", summary="豆瓣热门电影", response_model=List[schemas.MediaInfo])
@@ -137,10 +115,7 @@ def movie_hot(page: int = 1,
     """
     热门电影
     """
-    movies = DoubanChain().movie_hot(page=page, count=count)
-    if movies:
-        return [media.to_dict() for media in movies]
-    return []
+    return RecommendChain().douban_movie_hot(page=page, count=count)
 
 
 @router.get("/tv_hot", summary="豆瓣热门电视剧", response_model=List[schemas.MediaInfo])
@@ -150,10 +125,7 @@ def tv_hot(page: int = 1,
     """
     热门电视剧
     """
-    tvs = DoubanChain().tv_hot(page=page, count=count)
-    if tvs:
-        return [media.to_dict() for media in tvs]
-    return []
+    return RecommendChain().douban_tv_hot(page=page, count=count)
 
 
 @router.get("/credits/{doubanid}/{type_name}", summary="豆瓣演员阵容", response_model=List[schemas.MediaPerson])
diff --git a/app/api/endpoints/tmdb.py b/app/api/endpoints/tmdb.py
index 7deb70d6..18cb2d94 100644
--- a/app/api/endpoints/tmdb.py
+++ b/app/api/endpoints/tmdb.py
@@ -3,6 +3,7 @@ from typing import List, Any
 from fastapi import APIRouter, Depends
 
 from app import schemas
+from app.chain.recommend import RecommendChain
 from app.chain.tmdb import TmdbChain
 from app.core.security import verify_token
 from app.schemas.types import MediaType
@@ -108,14 +109,10 @@ def tmdb_movies(sort_by: str = "popularity.desc",
     """
     浏览TMDB电影信息
     """
-    movies = TmdbChain().tmdb_discover(mtype=MediaType.MOVIE,
-                                       sort_by=sort_by,
-                                       with_genres=with_genres,
-                                       with_original_language=with_original_language,
-                                       page=page)
-    if not movies:
-        return []
-    return [movie.to_dict() for movie in movies]
+    return RecommendChain().tmdb_movies(sort_by=sort_by,
+                                        with_genres=with_genres,
+                                        with_original_language=with_original_language,
+                                        page=page)
 
 
 @router.get("/tvs", summary="TMDB剧集", response_model=List[schemas.MediaInfo])
@@ -127,26 +124,19 @@ def tmdb_tvs(sort_by: str = "popularity.desc",
     """
     浏览TMDB剧集信息
     """
-    tvs = TmdbChain().tmdb_discover(mtype=MediaType.TV,
-                                    sort_by=sort_by,
-                                    with_genres=with_genres,
-                                    with_original_language=with_original_language,
-                                    page=page)
-    if not tvs:
-        return []
-    return [tv.to_dict() for tv in tvs]
+    return RecommendChain().tmdb_tvs(sort_by=sort_by,
+                                     with_genres=with_genres,
+                                     with_original_language=with_original_language,
+                                     page=page)
 
 
 @router.get("/trending", summary="TMDB流行趋势", response_model=List[schemas.MediaInfo])
 def tmdb_trending(page: int = 1,
                   _: schemas.TokenPayload = Depends(verify_token)) -> Any:
     """
-    浏览TMDB剧集信息
+    TMDB流行趋势
     """
-    infos = TmdbChain().tmdb_trending(page=page)
-    if not infos:
-        return []
-    return [info.to_dict() for info in infos]
+    return RecommendChain().tmdb_trending(page=page)
 
 
 @router.get("/{tmdbid}/{season}", summary="TMDB季所有集", response_model=List[schemas.TmdbEpisode])
diff --git a/app/chain/recommend.py b/app/chain/recommend.py
index 5f4a3e5b..48d66f81 100644
--- a/app/chain/recommend.py
+++ b/app/chain/recommend.py
@@ -64,12 +64,12 @@ class RecommendChain(ChainBase, metaclass=Singleton):
         self.bangumi_calendar()
         self.douban_movies()
         self.douban_tvs()
-        self.movie_top250()
-        self.tv_weekly_chinese()
-        self.tv_weekly_global()
-        self.tv_animation()
-        self.movie_hot()
-        self.tv_hot()
+        self.douban_movie_top250()
+        self.douban_tv_weekly_chinese()
+        self.douban_tv_weekly_global()
+        self.douban_tv_animation()
+        self.douban_movie_hot()
+        self.douban_tv_hot()
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
@@ -119,7 +119,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def movie_showing(self, page: int = 1, count: int = 30) -> Any:
+    def douban_movie_showing(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣正在热映
         """
@@ -148,7 +148,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def movie_top250(self, page: int = 1, count: int = 30) -> Any:
+    def douban_movie_top250(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣电影TOP250
         """
@@ -157,7 +157,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def tv_weekly_chinese(self, page: int = 1, count: int = 30) -> Any:
+    def douban_tv_weekly_chinese(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣国产剧集榜
         """
@@ -166,7 +166,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def tv_weekly_global(self, page: int = 1, count: int = 30) -> Any:
+    def douban_tv_weekly_global(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣全球剧集榜
         """
@@ -175,7 +175,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def tv_animation(self, page: int = 1, count: int = 30) -> Any:
+    def douban_tv_animation(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣热门动漫
         """
@@ -184,7 +184,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def movie_hot(self, page: int = 1, count: int = 30) -> Any:
+    def douban_movie_hot(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣热门电影
         """
@@ -193,7 +193,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
 
     @log_execution_time(logger=logger)
     @cached_with_empty_check
-    def tv_hot(self, page: int = 1, count: int = 30) -> Any:
+    def douban_tv_hot(self, page: int = 1, count: int = 30) -> Any:
         """
         豆瓣热门电视剧
         """