订单guest新增退课备注字段

Edu.Model/Entity/Course/RB_Order_Guest.cs

@@ -120,5 +120,10 @@ namespace Edu.Model.Entity.Course
         /// 更新时间
         /// </summary>
         public DateTime UpdateTime { get; set; }
+
+        /// <summary>
+        /// 退课备注
+        /// </summary>
+        public string DropOutRemark { get; set; }
     }
 }