diff --git a/services/ap/implments/CustDemandVerHead.service.impl.go b/services/ap/implments/CustDemandVerHead.service.impl.go
index f5969c8..11ebd1c 100644
--- a/services/ap/implments/CustDemandVerHead.service.impl.go
+++ b/services/ap/implments/CustDemandVerHead.service.impl.go
@@ -1268,7 +1268,7 @@ func (impl *CustDemandVerHeadServiceImplement) DeviationAnalysis(user *global.Us
 	custDao := basedal.NewCustomerDAO(session, user.PlantNr, user.UserId)
 	result := new(model.CustomerDeviation)
 	data := make([]model.CustomerDeviationDetailItem, 0)
-	perData := make([]model.PerCustomerDeviationDetailItem, 0)
+	perData := model.PerCustomerDeviationDetailItem{}
 	var versionIds []string
 	if len(versionId) > 0 {
 		versionIds = strings.Split(strings.TrimSpace(versionId), ",")
@@ -1318,94 +1318,185 @@ func (impl *CustDemandVerHeadServiceImplement) DeviationAnalysis(user *global.Us
 		key := v.CustomerId + "_" + v.VersionId
 		mapDetailData[key] = append(mapDetailData[key], v)
 	}
-	//第二步: 查询对应的需求数量，如果长度不够，用0补齐
-	for k, details := range mapDetailData {
-		temLen := 0
-		var allWeeks []string
-		var temDemandDate time.Time
-		info := strings.Split(k, "_")
-		one := model.CustomerDeviationDetailItem{}
-		one.CustomerId = info[0]
-		one.VersionId = info[1]
-		one.PeriodOnPeriodUpperLimit = tInfo.PeriodOnPeriodUpperLimit
-		one.PeriodOverPeriodLowerLimit = tInfo.PeriodOverPeriodLowerLimit
+	if len(versionIds) == 1 && searchType == "seq" {
+		//第二步: 查询对应的需求数量，如果长度不够，用0补齐
+		for k, details := range mapDetailData {
+			temLen := 0
+			var allWeeks []string
+			var temDemandDate time.Time
+			info := strings.Split(k, "_")
+			one := model.CustomerDeviationDetailItem{}
+			one.CustomerId = info[0]
+			one.VersionId = info[1]
+			one.PeriodOnPeriodUpperLimit = tInfo.PeriodOnPeriodUpperLimit
+			one.PeriodOverPeriodLowerLimit = tInfo.PeriodOverPeriodLowerLimit
 
-		perOne := model.PerCustomerDeviationDetailItem{}
-		perOne.CustomerId = info[0]
-		perOne.VersionId = info[1]
-		perOne.PeriodOnPeriodUpperLimit = tInfo.PeriodOnPeriodUpperLimit
-		perOne.PeriodOverPeriodLowerLimit = tInfo.PeriodOverPeriodLowerLimit
+			perOne := model.PerCustomerDeviationDetailItem{}
+			perOne.CustomerId = info[0]
+			perOne.VersionId = info[1]
+			perOne.PeriodOnPeriodUpperLimit = tInfo.PeriodOnPeriodUpperLimit
+			perOne.PeriodOverPeriodLowerLimit = tInfo.PeriodOverPeriodLowerLimit
 
-		mapWeeks := make(map[string]int)
-		for _, vv := range details {
-			if temLen > lenData {
-				continue
+			mapWeeks := make(map[string]int)
+			for _, vv := range details {
+				if temLen > lenData {
+					continue
+				}
+				key := utils.ValueToString(vv.DemandYear, "") + "." + utils.ValueToString(vv.DemandWeek, "")
+				val, ok := mapWeeks[key]
+				if !ok {
+					temLen++
+					mapWeeks[key] = utils.ValueToInt(vv.DemandQty, 0)
+					allWeeks = append(allWeeks, key)
+				} else {
+					mapWeeks[key] = val + utils.ValueToInt(vv.DemandQty, 0)
+				}
+				weekDate, err := time.Parse("2006-01-02", vv.DemandDate.ToString())
+				if err != nil {
+					return nil, err
+				}
+				temDemandDate = weekDate
 			}
-			key := utils.ValueToString(vv.DemandYear, "") + "." + utils.ValueToString(vv.DemandWeek, "")
-			val, ok := mapWeeks[key]
-			if !ok {
-				temLen++
-				mapWeeks[key] = utils.ValueToInt(vv.DemandQty, 0)
-				allWeeks = append(allWeeks, key)
-			} else {
-				mapWeeks[key] = val + utils.ValueToInt(vv.DemandQty, 0)
+
+			//不足的周，用空位补齐
+			lenInfo := lenData - temLen
+			if lenInfo > 0 {
+				for k := 0; k < lenInfo; k++ {
+					weekDate := temDemandDate.AddDate(0, 0, 7*(k+1))
+					year, _, _ := weekDate.Date()
+					week := utils.WeekByDate(weekDate)
+					key := utils.ValueToString(year, "") + "." + utils.ValueToString(week, "")
+					allWeeks = append(allWeeks, key)
+				}
 			}
-			weekDate, err := time.Parse("2006-01-02", vv.DemandDate.ToString())
-			if err != nil {
-				return nil, err
+			pevNum := 0
+			items := make(map[string]int, 0)
+			peritems := make(map[string]float64, 0)
+			//排序
+			sort.Strings(allWeeks)
+			for kkk, vvv := range allWeeks {
+				key := vvv
+				val, ok := mapWeeks[key]
+				if ok {
+					if kkk == 0 {
+						pevNum = val
+					}
+					items[key] = val
+					if pevNum == 0 {
+						peritems[key] = 0
+					} else {
+						num := (float64(val) - float64(pevNum)) / float64(pevNum)
+						peritems[key] = utils.Decimal(num*100, 2)
+					}
+					pevNum = val
+				} else {
+					items[key] = 0
+					peritems[key] = 0
+					pevNum = 0
+				}
 			}
-			temDemandDate = weekDate
+			one.Item = items
+			one.SortKeys = allWeeks
+			data = append(data, one)
+			perOne.Item = peritems
+			perOne.SortKeys = allWeeks
+			perData = perOne
+		}
+	} else {
+		if len(versionIds) != 2 {
+			return result, errors.New("请选择两个版本比较!")
 		}
+		//第二步: 查询对应的需求数量，如果长度不够，用0补齐
+		for k, details := range mapDetailData {
+			temLen := 0
+			var allWeeks []string
+			var temDemandDate time.Time
+			info := strings.Split(k, "_")
+			one := model.CustomerDeviationDetailItem{}
+			one.CustomerId = info[0]
+			one.VersionId = info[1]
+			one.PeriodOnPeriodUpperLimit = tInfo.PeriodOnPeriodUpperLimit
+			one.PeriodOverPeriodLowerLimit = tInfo.PeriodOverPeriodLowerLimit
 
-		//不足的周，用空位补齐
-		lenInfo := lenData - temLen
-		if lenInfo > 0 {
-			for k := 0; k < lenInfo; k++ {
-				weekDate := temDemandDate.AddDate(0, 0, 7*(k+1))
-				year, _, _ := weekDate.Date()
-				week := utils.WeekByDate(weekDate)
-				key := utils.ValueToString(year, "") + "." + utils.ValueToString(week, "")
-				allWeeks = append(allWeeks, key)
+			mapWeeks := make(map[string]int)
+			for _, vv := range details {
+				if temLen > lenData {
+					continue
+				}
+				key := utils.ValueToString(vv.DemandYear, "") + "." + utils.ValueToString(vv.DemandWeek, "")
+				val, ok := mapWeeks[key]
+				if !ok {
+					temLen++
+					mapWeeks[key] = utils.ValueToInt(vv.DemandQty, 0)
+					allWeeks = append(allWeeks, key)
+				} else {
+					mapWeeks[key] = val + utils.ValueToInt(vv.DemandQty, 0)
+				}
+				weekDate, err := time.Parse("2006-01-02", vv.DemandDate.ToString())
+				if err != nil {
+					return nil, err
+				}
+				temDemandDate = weekDate
 			}
-		}
-		pevNum := 0
-		items := make(map[string]int, 0)
-		peritems := make(map[string]float64, 0)
-		//排序
-		sort.Strings(allWeeks)
-		for kkk, vvv := range allWeeks {
-			key := vvv
-			val, ok := mapWeeks[key]
-			if ok {
-				if kkk == 0 {
-					pevNum = val
+
+			//不足的周，用空位补齐
+			lenInfo := lenData - temLen
+			if lenInfo > 0 {
+				for k := 0; k < lenInfo; k++ {
+					weekDate := temDemandDate.AddDate(0, 0, 7*(k+1))
+					year, _, _ := weekDate.Date()
+					week := utils.WeekByDate(weekDate)
+					key := utils.ValueToString(year, "") + "." + utils.ValueToString(week, "")
+					allWeeks = append(allWeeks, key)
 				}
-				items[key] = val
-				if pevNum == 0 {
-					peritems[key] = 0
+			}
+			items := make(map[string]int, 0)
+			//排序
+			sort.Strings(allWeeks)
+			for _, vvv := range allWeeks {
+				key := vvv
+				val, ok := mapWeeks[key]
+				if ok {
+					items[key] = val
 				} else {
-					num := (float64(val)-float64(pevNum)) / float64(pevNum)
-					peritems[key] = utils.Decimal(num*100, 2)
+					items[key] = 0
 				}
-				pevNum = val
+			}
+			one.Item = items
+			one.SortKeys = allWeeks
+			data = append(data, one)
+		}
+		perData.SortKeys = data[0].SortKeys
+		perData.PeriodOverPeriodLowerLimit = data[0].PeriodOverPeriodLowerLimit
+		perData.PeriodOnPeriodUpperLimit = data[0].PeriodOnPeriodUpperLimit
+
+		itemMap1 := data[0].Item
+		itemMap2 := data[1].Item
+		ItemMap := make(map[string]float64)
+		for _, vvvv := range perData.SortKeys {
+			key := vvvv
+			val1, ok1 := itemMap1[key]
+
+			val2, ok2 := itemMap2[key]
+			if !ok1 || !ok2 {
+				ItemMap[key] = 0
+			}
+			if val1 == 0 {
+				ItemMap[key] = 0
 			} else {
-				items[key] = 0
-				peritems[key] = 0
-				pevNum = 0
+				num := (float64(val2) - float64(val1)) / float64(val1)
+				ItemMap[key] = utils.Decimal(num*100, 2)
 			}
 		}
-		one.Item = items
-		one.SortKeys = allWeeks
-		data = append(data, one)
-		perOne.Item = peritems
-		perOne.SortKeys = allWeeks
-		perData = append(perData, perOne)
+		perData.Item = ItemMap
 	}
+
 	result.CustomerDeviationDetailItem = data
-	result.PerCustomerDeviationDetailItem = perData
+	result.PerCustomerDeviationDetailItem = append(result.PerCustomerDeviationDetailItem,perData)
 	return result, nil
 }
 
+
 /******************************************************************************
  *
  * @Reference leit.com/LAPP_CHEERSSON_BACKEND/services/ap/CustDemandVerHeadService.CompareVersionInfoByArtcle