diff --git a/Learn.Archives.API/Controllers/StudentController.cs b/Learn.Archives.API/Controllers/StudentController.cs
index c3ab5dc..d0c9a20 100644
--- a/Learn.Archives.API/Controllers/StudentController.cs
+++ b/Learn.Archives.API/Controllers/StudentController.cs
@@ -209,7 +209,7 @@ namespace Learn.Archives.API.Controllers
                     UserCenterId = s.Id,
                     ReliefApplication=s.ReliefApplication?.Contains("已申请")??false,
                     ReliefSubTime = s.ReliefSubTime,
-                    ReliefType  =s.ReliefType?.ToEnum<ReliefSubTimeEnum>()
+                    ReliefType  =s.ReliefType,
                 });
                 userCenterImp.Add(new UserExcelExportData()
                 {
diff --git a/Learn.Archives.Core/Model/Enum/ReliefSubTimeEnum.cs b/Learn.Archives.Core/Model/Enum/ReliefSubTimeEnum.cs
deleted file mode 100644
index 4f7815a..0000000
--- a/Learn.Archives.Core/Model/Enum/ReliefSubTimeEnum.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Learn.Archives.Core.Model.Enum
-{
-    /// <summary>
-    /// 学生减免类型
-    /// </summary>
-    public enum ReliefSubTimeEnum
-    {
-        低保户 = 10,
-        教师子女 = 20,
-        孤儿 = 30,
-        艺体生 = 40,
-        残疾学生 = 50,
-        领导特殊承诺减免 = 60,
-        领导同意的特殊贫困减免 = 70,
-        建卡贫困户 = 80,
-    }
-}
diff --git a/Learn.Archives.Core/Model/Student.cs b/Learn.Archives.Core/Model/Student.cs
index 5791ec4..81c5618 100644
--- a/Learn.Archives.Core/Model/Student.cs
+++ b/Learn.Archives.Core/Model/Student.cs
@@ -34,8 +34,8 @@ namespace Learn.Archives.Core.Model
         /// <summary>
         /// 减免申请类型
         /// </summary>
-        [SugarColumn(IsNullable = true)]
-        public ReliefSubTimeEnum? ReliefType { get; set; }
+        [SugarColumn(IsNullable = true, Length = 20)]
+        public string? ReliefType { get; set; }
         /// <summary>
         /// 减免申请时间
         /// </summary>