fix:修改删除栏目设置

@@ -67,22 +67,26 @@ func (repository *ColumnSettingRepository) Save(columnSetting *domain.ColumnSett
 func (repository *ColumnSettingRepository) Remove(columnSetting *domain.ColumnSetting, columnSettings []*domain.ColumnSetting) (*domain.ColumnSetting, []*domain.ColumnSetting, error) {
 	tx := repository.transactionContext.PgTx
 
-	// 单个删除
-	columnSettingModel := new(models.ColumnSetting)
-	columnSettingModel.Id = columnSetting.Identify().(int64)
-	if _, err := tx.Model(columnSettingModel).WherePK().Delete(); err != nil {
-		return columnSetting, nil, err
+	if columnSetting != nil {
+		// 单个删除
+		columnSettingModel := new(models.ColumnSetting)
+		columnSettingModel.Id = columnSetting.Identify().(int64)
+		if _, err := tx.Model(columnSettingModel).WherePK().Delete(); err != nil {
+			return columnSetting, nil, err
+		}
 	}
 
 	// 批量删除
-	var columnSettingModels []*models.ColumnSetting
-	for _, setting := range columnSettings {
-		columnSettingModels = append(columnSettingModels, &models.ColumnSetting{
-			Id: setting.Identify().(int64),
-		})
-	}
-	if _, err := tx.Model(columnSettingModels).WherePK().Delete(); err != nil {
-		return nil, columnSettings, err
+	if len(columnSettings) > 0 {
+		var columnSettingModels []*models.ColumnSetting
+		for _, setting := range columnSettings {
+			columnSettingModels = append(columnSettingModels, &models.ColumnSetting{
+				Id: setting.Identify().(int64),
+			})
+		}
+		if _, err := tx.Model(columnSettingModels).WherePK().Delete(); err != nil {
+			return nil, columnSettings, err
+		}
 	}
 	return columnSetting, columnSettings, nil
 }