修改各层关系

领域层不能依赖sqlsugar层
sqlsugar层依赖领域层

src/Yi.Framework/Yi.Framework.Domain/Student/Entities/StudentEntity.cs

@@ -1,5 +1,4 @@
-using SqlSugar;
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -10,7 +9,6 @@ namespace Yi.Framework.Domain.Student.Entities
     /// <summary>
     /// 实体
     /// </summary>
-    [SugarTable("Student")]
     public class StudentEntity
     {
         public long Id { get; set; }