diff --git a/app/chain/download.py b/app/chain/download.py
index 161405c0..061b0b6b 100644
--- a/app/chain/download.py
+++ b/app/chain/download.py
@@ -292,7 +292,7 @@ class DownloadChain(ChainBase):
                     continue
                 files_to_add.append({
                     "download_hash": _hash,
-                    "downloader": settings.DOWNLOADER,
+                    "downloader": settings.DEFAULT_DOWNLOADER,
                     "fullpath": str(download_dir / _folder_name / file),
                     "savepath": str(download_dir / _folder_name),
                     "filepath": file,
diff --git a/app/core/config.py b/app/core/config.py
index 7286b0a6..4a1578c8 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -125,7 +125,7 @@ class Settings(BaseSettings):
     VOCECHAT_API_KEY: str = ""
     # VoceChat 频道ID
     VOCECHAT_CHANNEL_ID: str = ""
-    # 下载器 qbittorrent/transmission
+    # 下载器 qbittorrent/transmission，启用多个下载器时使用,分隔，只有第一个会被默认使用
     DOWNLOADER: str = "qbittorrent"
     # 下载器监控开关
     DOWNLOADER_MONITOR: bool = True
@@ -362,6 +362,24 @@ class Settings(BaseSettings):
             }
         return {}
 
+    @property
+    def DEFAULT_DOWNLOADER(self):
+        """
+        默认下载器
+        """
+        if not self.DOWNLOADER:
+            return None
+        return self.DOWNLOADER.split(",")[0]
+
+    @property
+    def DOWNLOADERS(self):
+        """
+        下载器列表
+        """
+        if not self.DOWNLOADER:
+            return []
+        return self.DOWNLOADER.split(",")
+
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         with self.CONFIG_PATH as p:
diff --git a/app/modules/qbittorrent/__init__.py b/app/modules/qbittorrent/__init__.py
index 1e12b218..a0d07fd7 100644
--- a/app/modules/qbittorrent/__init__.py
+++ b/app/modules/qbittorrent/__init__.py
@@ -73,8 +73,12 @@ class QbittorrentModule(_ModuleBase):
                 logger.error(f"获取种子名称失败：{e}")
                 return "", 0
 
+        # 不是默认下载器不处理
+        if settings.DEFAULT_DOWNLOADER != "qbittorrent":
+            return None
+
         if not content:
-            return
+            return None
         if isinstance(content, Path) and not content.exists():
             return None, f"种子文件不存在：{content}"
 
diff --git a/app/modules/transmission/__init__.py b/app/modules/transmission/__init__.py
index 357b6e67..6dfe7fbc 100644
--- a/app/modules/transmission/__init__.py
+++ b/app/modules/transmission/__init__.py
@@ -73,8 +73,12 @@ class TransmissionModule(_ModuleBase):
                 logger.error(f"获取种子名称失败：{e}")
                 return "", 0
 
+        # 不是默认下载器不处理
+        if settings.DEFAULT_DOWNLOADER != "transmission":
+            return None
+
         if not content:
-            return
+            return None
         if isinstance(content, Path) and not content.exists():
             return None, f"种子文件不存在：{content}"
 
diff --git a/app/scheduler.py b/app/scheduler.py
index 70b4c04c..044c5534 100644
--- a/app/scheduler.py
+++ b/app/scheduler.py
@@ -290,6 +290,8 @@ class Scheduler(metaclass=Singleton):
         """
         更新插件定时服务
         """
+        if not self._scheduler:
+            return
         # 移除该插件的全部服务
         self.remove_plugin_job(pid)
         # 获取插件服务列表
@@ -332,6 +334,8 @@ class Scheduler(metaclass=Singleton):
         """
         移除插件定时服务
         """
+        if not self._scheduler:
+            return
         with self._lock:
             # 获取插件名称
             plugin_name = PluginManager().get_plugin_attr(pid, "plugin_name")
@@ -351,6 +355,8 @@ class Scheduler(metaclass=Singleton):
         """
         当前所有任务
         """
+        if not self._scheduler:
+            return []
         with self._lock:
             # 返回计时任务
             schedulers = []