diff --git a/Tiobon.Core.Model/View/Ghre/Ghre_Exam.Dto.View.cs b/Tiobon.Core.Model/View/Ghre/Ghre_Exam.Dto.View.cs
index 8684dc9b..5884a00a 100644
--- a/Tiobon.Core.Model/View/Ghre/Ghre_Exam.Dto.View.cs
+++ b/Tiobon.Core.Model/View/Ghre/Ghre_Exam.Dto.View.cs
@@ -34,6 +34,7 @@ public class Ghre_ExamDto : Ghre_Exam
 
     public string AfterHowLongLabel { get; set; }
     public string CourseName { get; set; }
+    public string ExamPaperName { get; set; }
     public string ExamModeLabel { get; set; }
     public string OpenClassName { get; set; }
 
diff --git a/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs b/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
index e6781750..2c25375d 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
@@ -11,11 +11,8 @@ using AgileObjects.AgileMapper;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using SqlSugar;
-using Tiobon.Core.Common.Helper;
 using Microsoft.AspNetCore.Http;
 using Tiobon.Core.Common.UserManager;
-using MathNet.Numerics.Distributions;
-using System.Drawing.Drawing2D;
 
 namespace Tiobon.Core.Services;