diff --git a/et_calc/dataCalc.go b/et_calc/dataCalc.go
index d0587a8..a6c4310 100644
--- a/et_calc/dataCalc.go
+++ b/et_calc/dataCalc.go
@@ -103,14 +103,14 @@ func (the *CalcHandler) calcFormula(p *common_models.ProcessData) *common_models
 			for inK, inV := range resultData {
 				inUnit := resultUnit[inK]
 				outKey := device.DeviceFactorProto.FieldVal[inK]
+				if outKey == "" {
+					log.Printf("设备[%s]字段[%s]无绑定的监测原型[%s-%s] 字段输出", device.IotaDeviceId, inK, protoObj.Name, protoObj.Code)
+					continue
+				}
 				outUnit := protoObj.GetProtoItem(outKey).UnitName
 				k := the.unitHelper.GetUnitTransK(inUnit, outUnit)
 				if v, ok := inV.(float64); ok {
-					if outKey != "" {
-						outMap[outKey] = common_calc.Decimal(v*k, 5)
-					} else { //无映射关系的 用原有key
-						outMap[inK] = common_calc.Decimal(v, 5)
-					}
+					outMap[outKey] = common_calc.Decimal(v*k, 5)
 				} else {
 					outMap[outKey] = inV
 				}