diff --git a/app/modules/emby/emby.py b/app/modules/emby/emby.py
index 559168f8..40428d3d 100644
--- a/app/modules/emby/emby.py
+++ b/app/modules/emby/emby.py
@@ -458,7 +458,7 @@ class Emby:
         :param item_id: 在Emby中的ID
         :param image_type: 图片类型，如Backdrop、Primary
         """
-        if self._playhost is None or self._playhost == "":
+        if not self._playhost:
             logger.error("Emby外网播放地址未能获取或为空")
             return None
 
diff --git a/app/modules/jellyfin/jellyfin.py b/app/modules/jellyfin/jellyfin.py
index 3fd8d5e1..ce6fbf85 100644
--- a/app/modules/jellyfin/jellyfin.py
+++ b/app/modules/jellyfin/jellyfin.py
@@ -443,7 +443,7 @@ class Jellyfin:
         :param item_id: 在Jellyfin中的ID
         :param image_type: 图片类型，如Backdrop、Primary
         """
-        if self._playhost is None or self._playhost == "":
+        if not self._playhost:
             logger.error("Jellyfin外网播放地址未能获取或为空")
             return None