diff --git a/app/chain/torrents.py b/app/chain/torrents.py
index d08be754..9e22b74a 100644
--- a/app/chain/torrents.py
+++ b/app/chain/torrents.py
@@ -176,7 +176,7 @@ class TorrentsChain(ChainBase):
             # 按pubdate降序排列
             torrents.sort(key=lambda x: x.pubdate or '', reverse=True)
             # 取前N条
-            torrents = torrents[:settings.CONF["refresh"]]
+            torrents = torrents[:settings.CONF.refresh]
             if torrents:
                 # 过滤出没有处理过的种子 - 优化：使用集合查找，避免重复创建字符串列表
                 cached_signatures = {f'{t.torrent_info.title}{t.torrent_info.description}'
@@ -217,8 +217,8 @@ class TorrentsChain(ChainBase):
                         else:
                             torrents_cache[domain].append(context)
                         # 如果超过了限制条数则移除掉前面的
-                        if len(torrents_cache[domain]) > settings.CONF["torrents"]:
-                            torrents_cache[domain] = torrents_cache[domain][-settings.CONF["torrents"]:]
+                        if len(torrents_cache[domain]) > settings.CONF.torrents:
+                            torrents_cache[domain] = torrents_cache[domain][-settings.CONF.torrents:]
                 finally:
                     torrents.clear()
                     del torrents
diff --git a/app/core/config.py b/app/core/config.py
index a3e7cb6e..25467567 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -15,6 +15,30 @@ from app.utils.system import SystemUtils
 from app.utils.url import UrlUtils
 
 
+class SystemConfModel(BaseModel):
+    """
+    系统关键资源大小配置
+    """
+    # 缓存种子数量
+    torrents: int = 0
+    # 订阅刷新处理数量
+    refresh: int = 0
+    # TMDB请求缓存数量
+    tmdb: int = 0
+    # 豆瓣请求缓存数量
+    douban: int = 0
+    # Bangumi请求缓存数量
+    bangumi: int = 0
+    # Fanart请求缓存数量
+    fanart: int = 0
+    # 元数据缓存过期时间（秒）
+    meta: int = 0
+    # 调度器数量
+    scheduler: int = 0
+    # 线程池大小
+    threadpool: int = 0
+
+
 class ConfigModel(BaseModel):
     """
     Pydantic 配置模型，描述所有配置项及其类型和默认值
@@ -525,43 +549,33 @@ class Settings(BaseSettings, ConfigModel, LogConfigModel):
         return self.CONFIG_PATH / "cookies"
 
     @property
-    def CONF(self):
+    def CONF(self) -> SystemConfModel:
         """
-        {
-            "torrents": "缓存种子数量",
-            "refresh": "订阅刷新处理数量",
-            "tmdb": "TMDB请求缓存数量",
-            "douban": "豆瓣请求缓存数量",
-            "fanart": "Fanart请求缓存数量",
-            "meta": "元数据缓存过期时间（秒）",
-            "memory": "最大占用内存（MB）",
-            "scheduler": "调度器缓存数量"
-            "threadpool": "线程池数量"
-        }
+        根据内存模式返回系统配置
         """
         if self.BIG_MEMORY_MODE:
-            return {
-                "torrents": 200,
-                "refresh": 100,
-                "tmdb": 1024,
-                "douban": 512,
-                "bangumi": 512,
-                "fanart": 512,
-                "meta": (self.META_CACHE_EXPIRE or 24) * 3600,
-                "scheduler": 100,
-                "threadpool": 100
-            }
-        return {
-            "torrents": 100,
-            "refresh": 50,
-            "tmdb": 256,
-            "douban": 256,
-            "bangumi": 256,
-            "fanart": 128,
-            "meta": (self.META_CACHE_EXPIRE or 2) * 3600,
-            "scheduler": 50,
-            "threadpool": 50
-        }
+            return SystemConfModel(
+                torrents=200,
+                refresh=100,
+                tmdb=1024,
+                douban=512,
+                bangumi=512,
+                fanart=512,
+                meta=(self.META_CACHE_EXPIRE or 24) * 3600,
+                scheduler=100,
+                threadpool=100
+            )
+        return SystemConfModel(
+            torrents=100,
+            refresh=50,
+            tmdb=256,
+            douban=256,
+            bangumi=256,
+            fanart=128,
+            meta=(self.META_CACHE_EXPIRE or 2) * 3600,
+            scheduler=50,
+            threadpool=50
+        )
 
     @property
     def PROXY(self):
diff --git a/app/helper/thread.py b/app/helper/thread.py
index c32a836b..1778a5dc 100644
--- a/app/helper/thread.py
+++ b/app/helper/thread.py
@@ -9,7 +9,7 @@ class ThreadHelper(metaclass=Singleton):
     线程池管理
     """
     def __init__(self):
-        self.pool = ThreadPoolExecutor(max_workers=settings.CONF['threadpool'])
+        self.pool = ThreadPoolExecutor(max_workers=settings.CONF.threadpool)
 
     def submit(self, func, *args, **kwargs):
         """
diff --git a/app/modules/bangumi/bangumi.py b/app/modules/bangumi/bangumi.py
index 6fa095b8..b5378c6b 100644
--- a/app/modules/bangumi/bangumi.py
+++ b/app/modules/bangumi/bangumi.py
@@ -30,7 +30,7 @@ class BangumiApi(object):
         self._session = requests.Session()
         self._req = RequestUtils(session=self._session)
 
-    @cached(maxsize=settings.CONF["bangumi"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.bangumi, ttl=settings.CONF.meta)
     def __invoke(self, url, key: Optional[str] = None, **kwargs):
         req_url = self._base_url + url
         params = {}
diff --git a/app/modules/douban/apiv2.py b/app/modules/douban/apiv2.py
index ff75fa66..a9fcfd23 100644
--- a/app/modules/douban/apiv2.py
+++ b/app/modules/douban/apiv2.py
@@ -171,14 +171,14 @@ class DoubanApi(metaclass=Singleton):
             ).digest()
         ).decode()
 
-    @cached(maxsize=settings.CONF["douban"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.douban, ttl=settings.CONF.meta)
     def __invoke_recommend(self, url: str, **kwargs) -> dict:
         """
         推荐/发现类API
         """
         return self.__invoke(url, **kwargs)
 
-    @cached(maxsize=settings.CONF["douban"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.douban, ttl=settings.CONF.meta)
     def __invoke_search(self, url: str, **kwargs) -> dict:
         """
         搜索类API
@@ -213,7 +213,7 @@ class DoubanApi(metaclass=Singleton):
             return resp.json()
         return resp.json() if resp else {}
 
-    @cached(maxsize=settings.CONF["douban"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.douban, ttl=settings.CONF.meta)
     def __post(self, url: str, **kwargs) -> dict:
         """
         POST请求
diff --git a/app/modules/douban/douban_cache.py b/app/modules/douban/douban_cache.py
index 2baa8c71..b0d996d3 100644
--- a/app/modules/douban/douban_cache.py
+++ b/app/modules/douban/douban_cache.py
@@ -16,7 +16,7 @@ from app.schemas.types import MediaType
 lock = RLock()
 
 CACHE_EXPIRE_TIMESTAMP_STR = "cache_expire_timestamp"
-EXPIRE_TIMESTAMP = settings.CONF["meta"]
+EXPIRE_TIMESTAMP = settings.CONF.meta
 
 
 class DoubanCache(metaclass=Singleton):
diff --git a/app/modules/fanart/__init__.py b/app/modules/fanart/__init__.py
index 006faffa..764b8106 100644
--- a/app/modules/fanart/__init__.py
+++ b/app/modules/fanart/__init__.py
@@ -440,7 +440,7 @@ class FanartModule(_ModuleBase):
         return result
 
     @classmethod
-    @cached(maxsize=settings.CONF["fanart"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.fanart, ttl=settings.CONF.meta)
     def __request_fanart(cls, media_type: MediaType, queryid: Union[str, int]) -> Optional[dict]:
         if media_type == MediaType.MOVIE:
             image_url = cls._movie_url % queryid
diff --git a/app/modules/themoviedb/tmdb_cache.py b/app/modules/themoviedb/tmdb_cache.py
index fdd6312b..52cc2988 100644
--- a/app/modules/themoviedb/tmdb_cache.py
+++ b/app/modules/themoviedb/tmdb_cache.py
@@ -15,7 +15,7 @@ from app.schemas.types import MediaType
 lock = RLock()
 
 CACHE_EXPIRE_TIMESTAMP_STR = "cache_expire_timestamp"
-EXPIRE_TIMESTAMP = settings.CONF["meta"]
+EXPIRE_TIMESTAMP = settings.CONF.meta
 
 
 class TmdbCache(metaclass=Singleton):
diff --git a/app/modules/themoviedb/tmdbapi.py b/app/modules/themoviedb/tmdbapi.py
index 0380d91c..8da7c1ed 100644
--- a/app/modules/themoviedb/tmdbapi.py
+++ b/app/modules/themoviedb/tmdbapi.py
@@ -500,7 +500,7 @@ class TmdbApi:
 
             return ret_info
 
-    @cached(maxsize=settings.CONF["tmdb"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.tmdb, ttl=settings.CONF.meta)
     @rate_limit_exponential(source="match_tmdb_web", base_wait=5, max_wait=1800, enable_logging=True)
     def match_web(self, name: str, mtype: MediaType) -> Optional[dict]:
         """
diff --git a/app/modules/themoviedb/tmdbv3api/tmdb.py b/app/modules/themoviedb/tmdbv3api/tmdb.py
index 1bf1ae75..614dd6f9 100644
--- a/app/modules/themoviedb/tmdbv3api/tmdb.py
+++ b/app/modules/themoviedb/tmdbv3api/tmdb.py
@@ -124,7 +124,7 @@ class TMDb(object):
     def cache(self, cache):
         self._cache_enabled = bool(cache)
 
-    @cached(maxsize=settings.CONF["tmdb"], ttl=settings.CONF["meta"])
+    @cached(maxsize=settings.CONF.tmdb, ttl=settings.CONF.meta)
     def cached_request(self, method, url, data, json,
                        _ts=datetime.strftime(datetime.now(), '%Y%m%d')):
         """
diff --git a/app/scheduler.py b/app/scheduler.py
index 2225bff5..d73bfa75 100644
--- a/app/scheduler.py
+++ b/app/scheduler.py
@@ -167,7 +167,7 @@ class Scheduler(metaclass=Singleton):
             # 创建定时服务
             self._scheduler = BackgroundScheduler(timezone=settings.TZ,
                                                   executors={
-                                                      'default': ThreadPoolExecutor(settings.CONF['scheduler'])
+                                                      'default': ThreadPoolExecutor(settings.CONF.scheduler)
                                                   })
 
             # CookieCloud定时同步
@@ -324,7 +324,7 @@ class Scheduler(metaclass=Singleton):
                 "interval",
                 id="clear_cache",
                 name="缓存清理",
-                hours=settings.CONF["meta"] / 3600,
+                hours=settings.CONF.meta / 3600,
                 kwargs={
                     'job_id': 'clear_cache'
                 }