diff --git a/app/modules/emby/emby.py b/app/modules/emby/emby.py
index 6ea1423d6..3ec6f37a5 100644
--- a/app/modules/emby/emby.py
+++ b/app/modules/emby/emby.py
@@ -613,6 +613,8 @@ def get_data(self, url: str) -> Optional[Response]:
         自定义URL从媒体服务器获取数据，其中{HOST}、{APIKEY}、{USER}会被替换成实际的值
         :param url: 请求地址
         """
+        if not self._host or not self._apikey:
+            return None
         url = url.replace("{HOST}", self._host)\
             .replace("{APIKEY}", self._apikey)\
             .replace("{USER}", self._user)
diff --git a/app/modules/jellyfin/jellyfin.py b/app/modules/jellyfin/jellyfin.py
index 6d226c381..2d29f64f3 100644
--- a/app/modules/jellyfin/jellyfin.py
+++ b/app/modules/jellyfin/jellyfin.py
@@ -450,6 +450,8 @@ def get_data(self, url: str) -> Optional[Response]:
         自定义URL从媒体服务器获取数据，其中{HOST}、{APIKEY}、{USER}会被替换成实际的值
         :param url: 请求地址
         """
+        if not self._host or not self._apikey:
+            return None
         url = url.replace("{HOST}", self._host)\
             .replace("{APIKEY}", self._apikey)\
             .replace("{USER}", self._user)
diff --git a/app/plugins/speedlimiter/__init__.py b/app/plugins/speedlimiter/__init__.py
index a46495299..f3aaf37d1 100644
--- a/app/plugins/speedlimiter/__init__.py
+++ b/app/plugins/speedlimiter/__init__.py
@@ -5,6 +5,8 @@
 from app.core.config import settings
 from app.core.event import eventmanager, Event
 from app.log import logger
+from app.modules.emby import Emby
+from app.modules.jellyfin import Jellyfin
 from app.modules.plex import Plex
 from app.modules.qbittorrent import Qbittorrent
 from app.modules.transmission import Transmission
@@ -143,7 +145,7 @@ def get_form(self) -> Tuple[List[dict], Dict[str, Any]]:
                                         'props': {
                                             'chips': True,
                                             'multiple': True,
-                                            'model': 'sign_sites',
+                                            'model': 'downloader',
                                             'label': '下载器',
                                             'items': [
                                                 {'title': 'Qbittorrent', 'value': 'qbittorrent'},
@@ -266,7 +268,7 @@ def __check_playing_sessions(self, event: Event = None):
         if settings.MEDIASERVER == "emby":
             req_url = "{HOST}emby/Sessions?api_key={APIKEY}"
             try:
-                res = RequestUtils().get_res(req_url)
+                res = Emby().get_data(req_url)
                 if res and res.status_code == 200:
                     sessions = res.json()
                     for session in sessions:
@@ -282,7 +284,7 @@ def __check_playing_sessions(self, event: Event = None):
         elif settings.MEDIASERVER == "jellyfin":
             req_url = "{HOST}Sessions?api_key={APIKEY}"
             try:
-                res = RequestUtils().get_res(req_url)
+                res = Jellyfin().get_data(req_url)
                 if res and res.status_code == 200:
                     sessions = res.json()
                     for session in sessions: