diff --git a/AppRouter/AppRouter/Internal/AppRouter/AppRouterController.cs b/AppRouter/AppRouter/Internal/AppRouter/AppRouterController.cs
index a5c624d..f56933a 100644
--- a/AppRouter/AppRouter/Internal/AppRouter/AppRouterController.cs
+++ b/AppRouter/AppRouter/Internal/AppRouter/AppRouterController.cs
@@ -37,7 +37,7 @@ namespace LeanCloud.Storage.Internal {
         async Task<AppRouterState> QueryAsync(string appId) {
             Console.WriteLine("QueryAsync");
 
-            string url = string.Format("https://app-router.leancloud.cn/2/route?appId={0}", appId);
+            string url = string.Format("https://app-router.com/2/route?appId={0}", appId);
 
             HttpClient client = new HttpClient();
             HttpRequestMessage request = new HttpRequestMessage {
diff --git a/Storage/Storage/Public/AVClient.cs b/Storage/Storage/Public/AVClient.cs
index 590f1ee..fd423c2 100644
--- a/Storage/Storage/Public/AVClient.cs
+++ b/Storage/Storage/Public/AVClient.cs
@@ -28,7 +28,7 @@ namespace LeanCloud {
         /// <summary>
         /// LeanCloud SDK 配置
         /// </summary>
-        public struct Configuration {
+        public class Configuration {
             /// <summary>
             /// App Id
             /// </summary>
@@ -118,6 +118,12 @@ namespace LeanCloud {
             });
         }
 
+        public static void SetServerURL(string serverUrl) {
+            CurrentConfiguration.ApiServer = serverUrl;
+            CurrentConfiguration.EngineServer = serverUrl;
+            CurrentConfiguration.RTMServer = serverUrl;
+        }
+
         internal static Action<string> LogTracker { get; private set; }
 
         /// <summary>