diff --git a/HJGL_DS/Model/Model.cs b/HJGL_DS/Model/Model.cs
index ce50836..3bc8fef 100644
--- a/HJGL_DS/Model/Model.cs
+++ b/HJGL_DS/Model/Model.cs
@@ -27510,7 +27510,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_MaterialType", DbType="NVarChar(200)")]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_MaterialType", DbType="NVarChar(50)")]
 		public string MaterialType
 		{
 			get
@@ -28094,7 +28094,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatCode", DbType="VarChar(50) NOT NULL", CanBeNull=false)]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatCode", DbType="VarChar(20) NOT NULL", CanBeNull=false)]
 		public string WMT_MatCode
 		{
 			get
@@ -58212,7 +58212,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatCode", DbType="VarChar(50)")]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatCode", DbType="VarChar(20)")]
 		public string WMT_MatCode
 		{
 			get
@@ -58244,7 +58244,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Name="hsCode", Storage="_HsCode", DbType="VarChar(50)")]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Name="hsCode", Storage="_HsCode", DbType="VarChar(20)")]
 		public string HsCode
 		{
 			get
@@ -64226,7 +64226,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatName", DbType="VarChar(101) NOT NULL", CanBeNull=false)]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WMT_MatName", DbType="VarChar(41) NOT NULL", CanBeNull=false)]
 		public string WMT_MatName
 		{
 			get
@@ -66099,7 +66099,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WeldMat", DbType="VarChar(50)")]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WeldMat", DbType="VarChar(20)")]
 		public string WeldMat
 		{
 			get
@@ -66115,7 +66115,7 @@ namespace Model
 			}
 		}
 		
-		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WeldSilk", DbType="VarChar(50)")]
+		[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_WeldSilk", DbType="VarChar(20)")]
 		public string WeldSilk
 		{
 			get