diff --git a/app/core/cache.py b/app/core/cache.py
index 421cf6cc..9e945b3e 100644
--- a/app/core/cache.py
+++ b/app/core/cache.py
@@ -895,6 +895,25 @@ class TTLCache:
 
         return default
 
+    def delete(self, key: str):
+        """
+        删除缓存项
+        """
+        try:
+            self._backend.delete(key, region=self.region)
+        except Exception as e:
+            logger.warning(f"缓存删除失败: {e}")
+
+    def items(self):
+        """
+        获取缓存的所有键值对
+        """
+        try:
+            return self._backend.items(region=self.region)
+        except Exception as e:
+            logger.warning(f"缓存获取失败: {e}")
+            return []
+
     def clear(self):
         """
         清空缓存
@@ -904,6 +923,12 @@ class TTLCache:
         except Exception as e:
             logger.warning(f"缓存清空失败: {e}")
 
+    def is_redis(self) -> bool:
+        """
+        判断当前缓存后端是否为 Redis
+        """
+        return self._backend.is_redis()
+
     def close(self):
         """
         关闭缓存连接
diff --git a/app/modules/douban/douban_cache.py b/app/modules/douban/douban_cache.py
index e5cbe259..a94147b7 100644
--- a/app/modules/douban/douban_cache.py
+++ b/app/modules/douban/douban_cache.py
@@ -4,7 +4,7 @@ from pathlib import Path
 from threading import RLock
 from typing import Optional
 
-from app.core.cache import Cache
+from app.core.cache import TTLCache
 from app.core.config import settings
 from app.core.meta import MetaBase
 from app.core.metainfo import MetaInfo
@@ -34,7 +34,7 @@ class DoubanCache(metaclass=WeakSingleton):
         self.region = "__douban_cache__"
         self._meta_filepath = settings.TEMP_PATH / self.region
         # 初始化缓存
-        self._cache = Cache(maxsize=self.maxsize, ttl=self.ttl)
+        self._cache = TTLCache(region=self.region, maxsize=self.maxsize, ttl=self.ttl)
         # 非Redis加载本地缓存数据
         if not self._cache.is_redis():
             for key, value in self.__load(self._meta_filepath).items():
@@ -61,7 +61,7 @@ class DoubanCache(metaclass=WeakSingleton):
         """
         key = self.__get_key(meta)
         with lock:
-            return self._cache.get(key, region=self.region) or {}
+            return self._cache.get(key) or {}
 
     def delete(self, key: str) -> dict:
         """
@@ -70,9 +70,9 @@ class DoubanCache(metaclass=WeakSingleton):
         @return: 被删除的缓存内容
         """
         with lock:
-            redis_data = self._cache.get(key, region=self.region)
+            redis_data = self._cache.get(key)
             if redis_data:
-                self._cache.delete(key, region=self.region)
+                self._cache.delete(key)
                 return redis_data
             return {}
 
@@ -84,10 +84,10 @@ class DoubanCache(metaclass=WeakSingleton):
         @return: 被修改后缓存内容
         """
         with lock:
-            redis_data = self._cache.get(key, region=self.region)
+            redis_data = self._cache.get(key)
             if redis_data:
                 redis_data["title"] = title
-                self._cache.set(key, redis_data, region=self.region)
+                self._cache.set(key, redis_data)
                 return redis_data
             return {}
 
@@ -139,14 +139,14 @@ class DoubanCache(metaclass=WeakSingleton):
                     "year": cache_year,
                     "title": cache_title,
                     "poster_path": poster_path
-                }, region=self.region)
+                })
 
         elif info is not None:
             # None时不缓存，此时代表网络错误，允许重复请求
             with lock:
                 self._cache.set(self.__get_key(meta), {
                     "id": 0
-                }, region=self.region)
+                })
 
     def save(self, force: Optional[bool] = False) -> None:
         """
diff --git a/app/modules/themoviedb/tmdb_cache.py b/app/modules/themoviedb/tmdb_cache.py
index 91fd0289..b31d7a90 100644
--- a/app/modules/themoviedb/tmdb_cache.py
+++ b/app/modules/themoviedb/tmdb_cache.py
@@ -3,7 +3,7 @@ import traceback
 from pathlib import Path
 from threading import RLock
 
-from app.core.cache import Cache
+from app.core.cache import TTLCache
 from app.core.config import settings
 from app.core.meta import MetaBase
 from app.log import logger
@@ -32,7 +32,7 @@ class TmdbCache(metaclass=WeakSingleton):
         self.region = "__tmdb_cache__"
         self._meta_filepath = settings.TEMP_PATH / self.region
         # 初始化缓存
-        self._cache = Cache(maxsize=self.maxsize, ttl=self.ttl)
+        self._cache = TTLCache(region=self.region, maxsize=self.maxsize, ttl=self.ttl)
         # 非Redis加载本地缓存数据
         if not self._cache.is_redis():
             for key, value in self.__load(self._meta_filepath).items():
@@ -59,7 +59,7 @@ class TmdbCache(metaclass=WeakSingleton):
         key = self.__get_key(meta)
 
         with lock:
-            return self._cache.get(key, region=self.region) or {}
+            return self._cache.get(key) or {}
 
     def delete(self, key: str) -> dict:
         """
@@ -68,9 +68,9 @@ class TmdbCache(metaclass=WeakSingleton):
         @return: 被删除的缓存内容
         """
         with lock:
-            redis_data = self._cache.get(key, region=self.region)
+            redis_data = self._cache.get(key)
             if redis_data:
-                self._cache.delete(key, region=self.region)
+                self._cache.delete(key)
                 return redis_data
             return {}
 
@@ -82,10 +82,10 @@ class TmdbCache(metaclass=WeakSingleton):
         @return: 被修改后缓存内容
         """
         with lock:
-            redis_data = self._cache.get(key, region=self.region)
+            redis_data = self._cache.get(key)
             if redis_data:
                 redis_data['title'] = title
-                self._cache.set(key, redis_data, region=self.region)
+                self._cache.set(key, redis_data)
                 return redis_data
             return {}
 
@@ -128,12 +128,12 @@ class TmdbCache(metaclass=WeakSingleton):
                     "poster_path": info.get("poster_path"),
                     "backdrop_path": info.get("backdrop_path")
                 }
-                self._cache.set(key, cache_data, region=self.region)
+                self._cache.set(key, cache_data)
 
         elif info is not None:
             # None时不缓存，此时代表网络错误，允许重复请求
             with lock:
-                self._cache.set(key, {"id": 0}, region=self.region)
+                self._cache.set(key, {"id": 0})
 
     def save(self, force: bool = False) -> None:
         """