fix：保留四位小数

services/chart/predict_edb_info_rule.go

@@ -1677,6 +1677,9 @@ func GetChartPredictEdbInfoDataListByRuleAnnualValueInversion(edbInfoId int, con
 
 		}
 
+		// 保留四位小数
+		averageVal, _ = decimal.NewFromFloat(averageVal).Round(4).Float64()
+
 		for k, currentDate := range dayList {
 			currentDateStr := currentDate.Format(utils.FormatDate)
 			tmpData := &edbDataModel.EdbDataList{