fix：达梦数据库语法问题

services/data/factor_edb_series.go

@@ -20,7 +20,7 @@ func RefreshFactorEdbCalculateData() (err error) {
 	}()
 
 	mappingOb := new(data_manage.FactorEdbSeriesMapping)
-	list, e := mappingOb.GetItemsByCondition(``, make([]interface{}, 0), []string{fmt.Sprintf("DISTINCT %s", mappingOb.Cols().EdbInfoId), mappingOb.Cols().EdbCode}, "")
+	list, e := mappingOb.GetItemsByCondition(``, make([]interface{}, 0), []string{fmt.Sprintf("DISTINCT %s", mappingOb.Cols().EdbInfoId), mappingOb.Cols().EdbCode}, fmt.Sprintf("%s ASC", mappingOb.Cols().EdbInfoId))
 	if e != nil {
 		err = fmt.Errorf("获取系列因子指标失败, err: %v", e)
 		return