diff --git a/Assets/Scripts/App.cs b/Assets/Scripts/App.cs
index d7f4ce45..76a90747 100644
--- a/Assets/Scripts/App.cs
+++ b/Assets/Scripts/App.cs
@@ -11,7 +11,7 @@ using Assets.Scripts.Devices;
 
 public static class App
 {
-    public static string Host = "http://192.168.0.102:5082/";
+    public static string Host = "http://192.168.0.101:5084/";
 
     public static string AppVersion = Application.version;
 
@@ -71,13 +71,13 @@ public static class App
 
     static App()
     {
-//#if !UNITY_EDITOR
-////      Host = "http://pf.juze.pro/";
-////      UdpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 21000);
-////      TcpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 21001);
-//        Host = "https://wx.powerfun.com.cn/";
-//        UdpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11000);
-//        TcpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11001);
-//#endif
+#if !UNITY_EDITOR
+//      Host = "http://pf.juze.pro/";
+//      UdpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 21000);
+//      TcpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 21001);
+        Host = "https://wx.powerfun.com.cn/";
+        UdpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11000);
+        TcpAddress = new IPEndPoint(IPAddress.Parse("47.97.84.8"), 11001);
+#endif
     }
 }
diff --git a/Assets/Scripts/UI/Prefab/Race/RaceHomeScript.cs b/Assets/Scripts/UI/Prefab/Race/RaceHomeScript.cs
index f798d936..e74df75c 100644
--- a/Assets/Scripts/UI/Prefab/Race/RaceHomeScript.cs
+++ b/Assets/Scripts/UI/Prefab/Race/RaceHomeScript.cs
@@ -269,6 +269,11 @@ public class RaceHomeScript : RaceScript
     }
     private void handleDotList(float totalScrollValue)
     {
+        if (content.childCount <= 0) 
+        {
+            scrollIndex = 0;
+            return;
+        }
         scrollIndex = ((scrollIndex + content.childCount) + (totalScrollValue < 0 ? -1 : 1)) % content.childCount;
         var dotList = scroll.transform.Find("DotList");
         for (int i = 0; i < dotList.childCount; i++)