diff --git a/VOL.Core/Migrations/VOLContextModelSnapshot.cs b/VOL.Core/Migrations/VOLContextModelSnapshot.cs
index 1212399..be84031 100644
--- a/VOL.Core/Migrations/VOLContextModelSnapshot.cs
+++ b/VOL.Core/Migrations/VOLContextModelSnapshot.cs
@@ -205,10 +205,6 @@ namespace VOL.Core.Migrations
                         .HasColumnType("nvarchar(100)")
                         .HasComment("班级名称");
 
-                    b.Property<int>("ClassroomStageId")
-                        .HasColumnType("int")
-                        .HasComment("阶段Id");
-
                     b.Property<string>("Code")
                         .HasColumnType("nvarchar(100)")
                         .HasComment("AI设备的唯一编码");
@@ -617,6 +613,10 @@ namespace VOL.Core.Migrations
                         .HasColumnType("int")
                         .HasComment("课堂记录Id");
 
+                    b.Property<int>("ClassroomStageId")
+                        .HasColumnType("int")
+                        .HasComment("阶段Id");
+
                     b.Property<string>("Code")
                         .HasColumnType("nvarchar(100)")
                         .HasComment("AI设备的唯一编码");
diff --git a/VOL.Entity/DomainModels/Ai/Ai_ClassRoomRecord.cs b/VOL.Entity/DomainModels/Ai/Ai_ClassRoomRecord.cs
index 2276812..3d629f2 100644
--- a/VOL.Entity/DomainModels/Ai/Ai_ClassRoomRecord.cs
+++ b/VOL.Entity/DomainModels/Ai/Ai_ClassRoomRecord.cs
@@ -45,14 +45,6 @@ namespace VOL.Entity.DomainModels
         [Column(TypeName = "nvarchar(200)")]
         public string Name { 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>
diff --git a/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs b/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
index a1dea6e..e7a9536 100644
--- a/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
+++ b/VOL.Entity/DomainModels/Ai/Ai_HeartRateData.cs
@@ -45,14 +45,6 @@ namespace VOL.Entity.DomainModels
         [Column(TypeName = "int")]
         public int ClassRoomRecordId { get; set; }
 
-        /// <summary>
-        /// 课堂记录Id
-        /// </summary>
-        [Display(Name = "课堂记录Id")]
-        [Comment("课堂记录Id")]
-        [Column(TypeName = "int")]
-        public int ClassRoomRecordId { get; set; }
-
         /// <summary>
         /// 年级编号
         /// </summary>