diff --git a/Runtime/GuruCore/Runtime/ExtensionKit/CDNLoader.cs b/Runtime/GuruCore/Runtime/ExtensionKit/CDNLoader.cs
index 1512653..836358f 100644
--- a/Runtime/GuruCore/Runtime/ExtensionKit/CDNLoader.cs
+++ b/Runtime/GuruCore/Runtime/ExtensionKit/CDNLoader.cs
@@ -95,11 +95,15 @@ public class CDNLoader : MonoBehaviour
     /// 创建Loader
     /// </summary>
     /// <returns></returns>
-    public static CDNLoader Create(string remoteKey = "")
+    public static CDNLoader Create(string defaultValue = "", string remoteKey = "")
     {
         // 注入自定义的 CDNConfigKey, 可读取自定义的Default配置
-        if(!string.IsNullOrEmpty(remoteKey)) CDNConfig.CdnConfigRemoteKey = remoteKey; 
-        
+        if(!string.IsNullOrEmpty(remoteKey)) CDNConfig.CdnConfigRemoteKey = remoteKey;
+
+        if (!string.IsNullOrEmpty(defaultValue))
+        {
+            FirebaseUtil.AppendDefaultValue(remoteKey, defaultValue);
+        }
         var go = new GameObject(nameof(CDNLoader));
         var loader = go.AddComponent<CDNLoader>();
         return loader;