fix: calculate table add pk field

@@ -158,11 +158,23 @@ func NewFormulaCalculate(table *domain.Table, queryComponent *domain.QueryCompon
 	}
 	if queryComponent.Aggregation != nil {
 		res.DatabaseTableName = queryComponent.MasterTable.SQLName
-		for _, f := range queryComponent.Aggregation.ValueFields {
+		for i, f := range queryComponent.Aggregation.ValueFields {
 			tableField, ok := table.MatchField(&domain.Field{Name: f.DisplayName})
 			if !ok {
 				continue
 			}
+			if i == 0 {
+				res.FormulaCalculateFields = append(res.FormulaCalculateFields, &FormulaCalculateField{
+					DatabaseTableName: queryComponent.MasterTable.SQLName,
+					FieldSchema: NewFieldSchemaFromField(&domain.Field{
+						Name:    "序号",
+						SQLName: "id",
+						SQLType: domain.String.ToString(),
+					}),
+					CalculateExpression: fmt.Sprintf("max(%s.%s)", queryComponent.MasterTable.SQLName, "id"),
+					CalculateFieldName:  "id",
+				})
+			}
 			res.FormulaCalculateFields = append(res.FormulaCalculateFields, &FormulaCalculateField{
 				DatabaseTableName:   queryComponent.MasterTable.SQLName,
 				FieldSchema:         NewFieldSchemaFromField(f.Field),

@@ -693,7 +693,7 @@ func (ptr *QuerySetService) CreateOrUpdateCalculateItemTable(ctx *domain.Context
 		field.SQLType = queryComponent.Formula.TableFields[0].FieldSQLType
 	}
 	var table *domain.Table = NewCopyTable(domain.TableType(querySet.Type), querySet.Name, []*domain.Field{field}, 1).WithContext(ctx).WithPrefix(strings.ToLower(querySet.Type))
-	table.PK = nil
+	//table.PK = nil
 	if querySet.QuerySetInfo.BindTableId > 0 {
 		table, err = tableRepository.FindOne(map[string]interface{}{"context": ctx, "tableId": querySet.QuerySetInfo.BindTableId})
 		if err != nil {