diff --git a/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs b/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
index e7a9536..9db1178 100644
--- a/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
+++ b/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
@@ -45,6 +45,15 @@ namespace VOL.Entity.DomainModels
         [Column(TypeName = "int")]
         public int ClassRoomRecordId { get; set; }
 
+        /// <summary>
+        /// 阶段Id
+        /// </summary>
+        [Display(Name = "阶段Id")]
+        [Comment("阶段Id")]
+        [Column(TypeName = "int")]
+        public int ClassroomStageId { get; set; }
+
+
         /// <summary>
         /// 年级编号
         /// </summary>