diff --git a/全自动水压检测仪/DATA/ConductividyClass.cs b/全自动水压检测仪/DATA/ConductividyClass.cs
index 96c8bbb..ebb6644 100644
--- a/全自动水压检测仪/DATA/ConductividyClass.cs
+++ b/全自动水压检测仪/DATA/ConductividyClass.cs
@@ -138,6 +138,17 @@ namespace 材料热传导系数
             }
         }
 
+        public void DeleteScanItems(int id)
+        {
+            using (var connection = new MySqlConnection(_connectionString))
+            {
+                connection.Open();
+                var sql = @"delete from scandata where id=@id
+                   ";
+                connection.Execute(sql, new { id });
+            }
+        }
+
         public List<ScanData> GetScanData()
         {
             using (var connection = new MySqlConnection(_connectionString))
@@ -145,7 +156,7 @@ namespace 材料热传导系数
                 connection.Open();
                 var sql = @"SELECT * FROM scandata 
                            
-                           ORDER BY CreateTime DESC";
+                           ORDER BY id asc ";
                 return connection.Query<ScanData>(sql).ToList();
             }
         }
diff --git a/全自动水压检测仪/ScanImport.cs b/全自动水压检测仪/ScanImport.cs
index 5b980bc..802a621 100644
--- a/全自动水压检测仪/ScanImport.cs
+++ b/全自动水压检测仪/ScanImport.cs
@@ -222,7 +222,16 @@ namespace 全自动水压检测仪
         //清除
         private void uiButton2_Click(object sender, EventArgs e)
         {
-
+            var ids = new List<int>();
+            foreach (DataGridViewRow row in uiDataGridView1.SelectedRows)
+            {
+                if (row.DataBoundItem is ScanData scanData && scanData.Id > 0)
+                {
+                    ids.Add(scanData.Id);
+                }
+            }
+            _repository.DeleteScanItems(ids[0]);
+            LoadData();
         }
     }
 }