diff --git a/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/BomCostCalculateService.java b/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/BomCostCalculateService.java
index 17ec8bb7..bb459687 100644
--- a/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/BomCostCalculateService.java
+++ b/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/BomCostCalculateService.java
@@ -1,6 +1,7 @@
 package com.nflg.product.technology.service;
 
 import cn.hutool.core.collection.CollectionUtil;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.StrUtil;
 import com.nflg.product.technology.constant.BomConstant;
 import com.nflg.product.technology.constant.TechnologyConfigEnum;
@@ -23,6 +24,7 @@ import javax.annotation.Resource;
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.time.Duration;
+import java.time.LocalDateTime;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -97,7 +99,7 @@ public class BomCostCalculateService {
     }
 
     private EBomCostCacheDTO calculateBom(String rootMaterialNo, String month, boolean isRoot, EBomDTO dto, List<EBomDTO> datas, BomCostCalculateConfig config, List<EBomCostCacheDTO> result) {
-        String cdata = redisTemplate.opsForValue().get(buildKey(dto));
+        String cdata = redisTemplate.opsForValue().get(buildKey(dto, month));
         boolean purchaseTypeIsF = materialMainAttrService.purchaseTypeIsF(dto.getMaterialNo());
         boolean purchaseTypeIsE50 = materialMainAttrService.purchaseTypeIsE50(dto.getMaterialNo());
         if ((isRoot && purchaseTypeIsE50) || StrUtil.isBlank(cdata)) {
@@ -125,9 +127,9 @@ public class BomCostCalculateService {
                 cdto.setAuxiliaryDepartmentLaborCost(calculateAuxiliaryDepartmentLaborCost(dto, config, workingHours));
                 cdto.setAuxiliaryDepartmentExpenses(calculateAuxiliaryDepartmentExpenses(dto, config, workingHours));
                 cdto.setProductionCosts(calculateProductionCosts(dto, config, workingHours));
-                List<EBomDTO> children = datas.stream()
+                Set<EBomDTO> children = datas.stream()
                         .filter(d -> StrUtil.equals(d.getParentMaterialNo(), dto.getMaterialNo()))
-                        .collect(Collectors.toList());
+                        .collect(Collectors.toSet());
                 if (CollectionUtil.isEmpty(children)) {
                     cdto.setHasChildren(false);
                     // 计算自身
@@ -197,7 +199,7 @@ public class BomCostCalculateService {
             if (!(isRoot && purchaseTypeIsE50)) {
                 cdata = JsonUtil.toJson(cdto);
                 //log.debug(cdata);
-                redisTemplate.opsForValue().set(buildKey(dto), cdata, CACHE_DURATION);
+                redisTemplate.opsForValue().set(buildKey(dto, month), cdata, CACHE_DURATION);
             }
             return cdto;
         } else {
@@ -403,9 +405,10 @@ public class BomCostCalculateService {
         return price;
     }
 
-    private String buildKey(EBomDTO dto) {
-        return StrUtil.format("technology:cost:{}:{}", dto.getMaterialNo()
-                , StrUtil.isBlank(dto.getCurrentVersion()) ? "A00" : dto.getCurrentVersion());
+    private String buildKey(EBomDTO dto, String month) {
+        return StrUtil.format("technology:cost:{}:{}:{}", dto.getMaterialNo()
+                , StrUtil.isBlank(dto.getCurrentVersion()) ? "A00" : dto.getCurrentVersion()
+                , StrUtil.isBlank(month) ? DateUtil.format(LocalDateTime.now(), "yyyyMM") : month);
     }
 
     private void getChildren(String materialNo, List<EBomDTO> datas, String month) {
@@ -467,14 +470,16 @@ public class BomCostCalculateService {
         EBomParentEntity parent = ebomService.getParent(materialNo);
         VUtils.isTure(Objects.isNull(parent)).throwMessage("无有效bom");
         EBomDTO dto = convert(parent, month);
-        String cdata = redisTemplate.opsForValue().get(buildKey(dto));
+        String cdata = redisTemplate.opsForValue().get(buildKey(dto, month));
         if (StrUtil.isNotBlank(cdata)) {
-            return JsonUtil.fromJson(cdata, EBomCostCacheDTO.class);
-        } else {
-            return calculate(materialNo, month)
-                    .stream().filter(f -> StrUtil.equals(f.getMaterialNo(), materialNo)).findFirst()
-                    .orElse(null);
+            EBomCostCacheDTO dto1 = JsonUtil.fromJson(cdata, EBomCostCacheDTO.class);
+            if (!dto1.isPurchaseTypeIsE50()) {
+                return dto1;
+            }
         }
+        return calculate(materialNo, month)
+                .stream().filter(f -> StrUtil.equals(f.getMaterialNo(), materialNo)).findFirst()
+                .orElse(null);
     }
 
     private BigDecimal getTechnologyConfig(TechnologyConfigEnum type, String month) {
diff --git a/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/CostConfigService.java b/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/CostConfigService.java
index c10c86c6..0084390f 100644
--- a/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/CostConfigService.java
+++ b/nflg_project_dev/nflg-technology/src/main/java/com/nflg/product/technology/service/CostConfigService.java
@@ -150,7 +150,7 @@ public class CostConfigService {
     }
 
     public void backupSteelsCostConfig() {
-        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime now = LocalDateTime.now().minusMonths(1);
         String month = now.format(DateTimeFormatter.ofPattern("yyyyMM"));
         if (steelsCostConfigHistoryService.lambdaQuery()
                 .eq(SteelsCostConfigHistoryEntity::getMonth, month)
@@ -173,7 +173,7 @@ public class CostConfigService {
     }
 
     public void backupPaintCostConfig() {
-        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime now = LocalDateTime.now().minusMonths(1);
         String month = now.format(DateTimeFormatter.ofPattern("yyyyMM"));
         if (paintCostConfigHistoryService.lambdaQuery()
                 .eq(PaintCostConfigHistoryEntity::getMonth, month)