fix：1、删除sdk相关。2、添加tips界面，修复bug

Assets/ChillConnect/Helper/GameHelper.cs

@@ -16,7 +16,7 @@ using System.IO;
 using Newtonsoft.Json;
 using SGModule.DataStorage;
 using UnityEngine.Events;
-using AppsFlyerSDK;
+// using AppsFlyerSDK;
 using SGModule.NetKit;
 namespace ChillConnect
 {
@@ -609,7 +609,7 @@ namespace ChillConnect
             var url = $"mailto:{email}?subject={subject}&body={body}";
             var uri = new Uri(url);
 
-            OpenBrowser.OpenURL(uri.AbsoluteUri);
+            Application.OpenURL(uri.AbsoluteUri);
             GameHelper.ShowTips("Trying to call send mail...");
         }