diff --git a/Model/Tiobon.Web.pdm b/Model/Tiobon.Web.pdm
index fbff8c7c..91495209 100644
--- a/Model/Tiobon.Web.pdm
+++ b/Model/Tiobon.Web.pdm
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<?PowerDesigner AppLocale="UTF16" ID="{C294868A-C3F3-41AD-98CC-78B6D4E0CC40}" Label="" LastModificationDate="1716540989" Name="一优开发平台" Objects="6582" Symbols="280" Target="Microsoft SQL Server 2008" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="15.0.0.2613"?>
+<?PowerDesigner AppLocale="UTF16" ID="{C294868A-C3F3-41AD-98CC-78B6D4E0CC40}" Label="" LastModificationDate="1716779356" Name="一优开发平台" Objects="6582" Symbols="280" Target="Microsoft SQL Server 2008" Type="{CDE44E21-9669-11D1-9914-006097355D9B}" signature="PDM_DATA_MODEL_XML" version="15.0.0.2613"?>
 <!-- do not edit this file -->
 
 <Model xmlns:a="attribute" xmlns:c="collection" xmlns:o="object">
@@ -111908,25 +111908,25 @@ LABL 0 Arial Unicode MS,8,N</a:FontList>
 </o:Column>
 <o:Column Id="o6817">
 <a:ObjectID>C9C14EF8-907F-47FD-87FF-BFE6F764E96C</a:ObjectID>
-<a:Name>课程编号</a:Name>
+<a:Name>课件编号</a:Name>
 <a:Code>CourseWareNo</a:Code>
 <a:CreationDate>1716513643</a:CreationDate>
 <a:Creator>Administrator</a:Creator>
-<a:ModificationDate>1716514985</a:ModificationDate>
+<a:ModificationDate>1716541657</a:ModificationDate>
 <a:Modifier>Administrator</a:Modifier>
-<a:Comment>课程编号</a:Comment>
+<a:Comment>课件编号</a:Comment>
 <a:DataType>nvarchar(32)</a:DataType>
 <a:Length>32</a:Length>
 </o:Column>
 <o:Column Id="o6818">
 <a:ObjectID>4486DA97-E4DF-4C46-82E5-59657ADA99C5</a:ObjectID>
-<a:Name>课程名称</a:Name>
+<a:Name>课件名称</a:Name>
 <a:Code>CourseWareName</a:Code>
 <a:CreationDate>1716513643</a:CreationDate>
 <a:Creator>Administrator</a:Creator>
-<a:ModificationDate>1716514985</a:ModificationDate>
+<a:ModificationDate>1716541657</a:ModificationDate>
 <a:Modifier>Administrator</a:Modifier>
-<a:Comment>课程名称</a:Comment>
+<a:Comment>课件名称</a:Comment>
 <a:DataType>nvarchar(32)</a:DataType>
 <a:Length>32</a:Length>
 </o:Column>
@@ -111979,11 +111979,11 @@ LABL 0 Arial Unicode MS,8,N</a:FontList>
 </o:Column>
 <o:Column Id="o6823">
 <a:ObjectID>1B2AA2BF-D626-486D-A4A5-F04BB2215EFF</a:ObjectID>
-<a:Name>秒</a:Name>
-<a:Code>Seconds</a:Code>
+<a:Name>时</a:Name>
+<a:Code>Hours</a:Code>
 <a:CreationDate>1716515707</a:CreationDate>
 <a:Creator>Administrator</a:Creator>
-<a:ModificationDate>1716518329</a:ModificationDate>
+<a:ModificationDate>1716779356</a:ModificationDate>
 <a:Modifier>Administrator</a:Modifier>
 <a:Comment>秒</a:Comment>
 <a:DataType>int</a:DataType>
diff --git a/Tiobon.Core.Api/Tiobon.Core.Model.xml b/Tiobon.Core.Api/Tiobon.Core.Model.xml
index ef722178..bb3858d2 100644
--- a/Tiobon.Core.Api/Tiobon.Core.Model.xml
+++ b/Tiobon.Core.Api/Tiobon.Core.Model.xml
@@ -582,12 +582,12 @@
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.CourseWareNo">
             <summary>
-            课程编号
+            课件编号
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.CourseWareName">
             <summary>
-            课程名称
+            课件名称
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.VersionNo">
@@ -2460,12 +2460,12 @@
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.CourseWareNo">
             <summary>
-            课程编号
+            课件编号
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.CourseWareName">
             <summary>
-            课程名称
+            课件名称
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.VersionNo">
diff --git a/Tiobon.Core.Model/Base/Ghre/Ghre_CourseWare.Dto.Base.cs b/Tiobon.Core.Model/Base/Ghre/Ghre_CourseWare.Dto.Base.cs
index 582b31d2..2b7263a0 100644
--- a/Tiobon.Core.Model/Base/Ghre/Ghre_CourseWare.Dto.Base.cs
+++ b/Tiobon.Core.Model/Base/Ghre/Ghre_CourseWare.Dto.Base.cs
@@ -27,15 +27,15 @@ namespace Tiobon.Core.Model.Models
     {
 
         /// <summary>
-        /// 课程编号
+        /// 课件编号
         /// </summary>
-        [Display(Name = "CourseWareNo"), Description("课程编号"), MaxLength(32, ErrorMessage = "课程编号 不能超过 32 个字符")]
+        [Display(Name = "CourseWareNo"), Description("课件编号"), MaxLength(32, ErrorMessage = "课件编号 不能超过 32 个字符")]
         public string CourseWareNo { get; set; }
 
         /// <summary>
-        /// 课程名称
+        /// 课件名称
         /// </summary>
-        [Display(Name = "CourseWareName"), Description("课程名称"), MaxLength(32, ErrorMessage = "课程名称 不能超过 32 个字符")]
+        [Display(Name = "CourseWareName"), Description("课件名称"), MaxLength(32, ErrorMessage = "课件名称 不能超过 32 个字符")]
         public string CourseWareName { get; set; }
 
         /// <summary>
@@ -62,9 +62,9 @@ namespace Tiobon.Core.Model.Models
         public int? Minutes { get; set; }
 
         /// <summary>
-        /// 秒
+        /// 时
         /// </summary>
-        public int? Seconds { get; set; }
+        public int? Hours { get; set; }
 
         /// <summary>
         /// 来源
diff --git a/Tiobon.Core.Model/Models/Ghre/Ghre_CourseWare.cs b/Tiobon.Core.Model/Models/Ghre/Ghre_CourseWare.cs
index 6e13982f..73d728eb 100644
--- a/Tiobon.Core.Model/Models/Ghre/Ghre_CourseWare.cs
+++ b/Tiobon.Core.Model/Models/Ghre/Ghre_CourseWare.cs
@@ -13,7 +13,7 @@
 *│　此技术信息为本公司机密信息，未经本公司书面同意禁止向第三方披露．　│
 *│　作者：SimonHsiao                                                  │
 *└──────────────────────────────────┘
-*/ 
+*/
 using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using SqlSugar;
@@ -29,15 +29,15 @@ namespace Tiobon.Core.Model.Models
     {
 
         /// <summary>
-        /// 课程编号
+        /// 课件编号
         /// </summary>
-        [Display(Name = "CourseWareNo"), Description("课程编号"), MaxLength(32, ErrorMessage = "课程编号 不能超过 32 个字符")]
+        [Display(Name = "CourseWareNo"), Description("课件编号"), MaxLength(32, ErrorMessage = "课件编号 不能超过 32 个字符"), EntityColumn(Unique = true)]
         public string CourseWareNo { get; set; }
 
         /// <summary>
-        /// 课程名称
+        /// 课件名称
         /// </summary>
-        [Display(Name = "CourseWareName"), Description("课程名称"), MaxLength(32, ErrorMessage = "课程名称 不能超过 32 个字符")]
+        [Display(Name = "CourseWareName"), Description("课件名称"), MaxLength(32, ErrorMessage = "课件名称 不能超过 32 个字符")]
         public string CourseWareName { get; set; }
 
         /// <summary>
@@ -64,9 +64,9 @@ namespace Tiobon.Core.Model.Models
         public int? Minutes { get; set; }
 
         /// <summary>
-        /// 秒
+        /// 时
         /// </summary>
-        public int? Seconds { get; set; }
+        public int? Hours { get; set; }
 
         /// <summary>
         /// 来源
diff --git a/Tiobon.Core.Model/ViewModels/Extend/Attachment.cs b/Tiobon.Core.Model/ViewModels/Extend/Attachment.cs
new file mode 100644
index 00000000..5d7352e1
--- /dev/null
+++ b/Tiobon.Core.Model/ViewModels/Extend/Attachment.cs
@@ -0,0 +1,15 @@
+using System.Dynamic;
+using Newtonsoft.Json.Linq;
+
+namespace Tiobon.Core.Model;
+
+public class Attachment
+{
+    public string AttachFileExtension { get; set; }
+    public long AttachFileSize { get; set; }
+    public int AttachmentID { get; set; }
+    public string AttachmentName { get; set; }
+    public string RelativePath { get; set; }
+    public string RemarkSz { get; set; }
+
+}
\ No newline at end of file
diff --git a/Tiobon.Core/Tiobon.Core.Model.xml b/Tiobon.Core/Tiobon.Core.Model.xml
index ef722178..bb3858d2 100644
--- a/Tiobon.Core/Tiobon.Core.Model.xml
+++ b/Tiobon.Core/Tiobon.Core.Model.xml
@@ -582,12 +582,12 @@
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.CourseWareNo">
             <summary>
-            课程编号
+            课件编号
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.CourseWareName">
             <summary>
-            课程名称
+            课件名称
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWareBase.VersionNo">
@@ -2460,12 +2460,12 @@
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.CourseWareNo">
             <summary>
-            课程编号
+            课件编号
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.CourseWareName">
             <summary>
-            课程名称
+            课件名称
             </summary>
         </member>
         <member name="P:Tiobon.Core.Model.Models.Ghre_CourseWare.VersionNo">