fix:共享表格添加分类

models/data_manage/excel/excel_classify.go

@@ -245,7 +245,7 @@ func GetExcelClassifyMaxSort(parentId int, source int) (sort int, err error) {
 	//sql := `SELECT Max(sort) AS sort FROM excel_classify WHERE parent_id=? AND source = ? AND is_delete=0 `
 	//err = o.Raw(sql, parentId, source).QueryRow(&sort)
 
-	sql := `SELECT Max(sort) AS sort FROM excel_classify WHERE parent_id=? AND source = ? AND is_delete=0 `
+	sql := `SELECT COALESCE(Max(sort), 0) AS sort FROM excel_classify WHERE parent_id=? AND source = ? AND is_delete=0 `
 	err = global.DmSQL["data"].Raw(sql, parentId, source).Scan(&sort).Error
 	return
 }