Update

ConsoleApp2/Options/DataTransformOptions.cs

@@ -1,6 +1,4 @@
-using ConsoleApp2.Entities;
-
-namespace ConsoleApp2.Options;
+namespace ConsoleApp2.Options;
 
 public enum ColumnType
 {
@@ -12,6 +10,10 @@ public enum ColumnType
 public class DataTransformOptions
 {
     public Func<DataRecord, string>? DatabaseFilter { get; set; }
+    
+    /// <summary>
+    /// 配置导入数据的特殊列
+    /// </summary>
     public Dictionary<string, ColumnType> ColumnTypeConfig { get; set; } = new(); // "table.column" -> type
 
     public ColumnType GetColumnType(string table, string column)