diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/Common/Helper.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/Common/Helper.cs
index 15c06d7c..7304f7f0 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/Common/Helper.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/Common/Helper.cs
@@ -1,14 +1,9 @@
-using NUnit.Framework;
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.IO.Compression;
-using System.Linq;
 using System.Security.Cryptography;
-using System.Security.Policy;
 using System.Text;
-using Unity.Android.Gradle.Manifest;
-using static UnityEngine.Analytics.IAnalytic;
 
 namespace AxibugEmuOnline.Client.Common
 {