diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/bo/CostProdDetailBo.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/bo/CostProdDetailBo.java
new file mode 100644
index 00000000..1c99e321
--- /dev/null
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/bo/CostProdDetailBo.java
@@ -0,0 +1,40 @@
+package com.ruoyi.cost.bo;
+
+import com.ruoyi.cost.domain.CostProdDetail;
+
+import java.util.List;
+
+/**
+ * 生产成本明细批量操作参数
+ * 
+ * @author ruoyi
+ * @date 2026-06-09
+ */
+public class CostProdDetailBo
+{
+    /** 需删除的明细ID列表 */
+    private List<Long> detailIds;
+
+    /** 需保存的明细列表 */
+    private List<CostProdDetail> prodDetailList;
+
+    public List<Long> getDetailIds()
+    {
+        return detailIds;
+    }
+
+    public void setDetailIds(List<Long> detailIds)
+    {
+        this.detailIds = detailIds;
+    }
+
+    public List<CostProdDetail> getProdDetailList()
+    {
+        return prodDetailList;
+    }
+
+    public void setProdDetailList(List<CostProdDetail> prodDetailList)
+    {
+        this.prodDetailList = prodDetailList;
+    }
+}
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdDetailController.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdDetailController.java
index 14d51c0a..a656a7f0 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdDetailController.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdDetailController.java
@@ -18,12 +18,13 @@ import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.common.enums.BusinessType;
 import com.ruoyi.cost.domain.CostProdDetail;
 import com.ruoyi.cost.service.ICostProdDetailService;
+import com.ruoyi.cost.bo.CostProdDetailBo;
 import com.ruoyi.common.utils.poi.ExcelUtil;
 import com.ruoyi.common.core.page.TableDataInfo;
 
 /**
  * 生产成本明细Controller
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
@@ -101,4 +102,15 @@ public class CostProdDetailController extends BaseController
     {
         return toAjax(costProdDetailService.deleteCostProdDetailByDetailIds(detailIds));
     }
+
+    /**
+     * 批量保存生产成本明细（先删除再插入）
+     */
+    @PreAuthorize("@ss.hasPermi('cost:detail:add')")
+    @Log(title = "生产成本明细", businessType = BusinessType.INSERT)
+    @PostMapping("/batchSave")
+    public AjaxResult batchSave(@RequestBody CostProdDetailBo bo)
+    {
+        return toAjax(costProdDetailService.batchSaveWithDelete(bo));
+    }
 }
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdReportController.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdReportController.java
index c2a8e61d..c5b796c5 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdReportController.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/controller/CostProdReportController.java
@@ -11,6 +11,7 @@ import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 import com.ruoyi.common.annotation.Log;
 import com.ruoyi.common.core.controller.BaseController;
@@ -80,6 +81,17 @@ public class CostProdReportController extends BaseController
         return toAjax(costProdReportService.insertCostProdReport(costProdReport));
     }
 
+    /**
+     * 复制生产月报
+     */
+    @PreAuthorize("@ss.hasPermi('cost:report:add')")
+    @Log(title = "生产月报", businessType = BusinessType.INSERT)
+    @PostMapping("/copy")
+    public AjaxResult copy(@RequestParam Long sourceId, @RequestBody CostProdReport costProdReport)
+    {
+        return success(costProdReportService.copyReport(sourceId, costProdReport));
+    }
+
     /**
      * 修改生产月报
      */
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/mapper/CostProdDetailMapper.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/mapper/CostProdDetailMapper.java
index db252c09..1dbe25f7 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/mapper/CostProdDetailMapper.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/mapper/CostProdDetailMapper.java
@@ -58,4 +58,12 @@ public interface CostProdDetailMapper
      * @return 结果
      */
     public int deleteCostProdDetailByDetailIds(Long[] detailIds);
+
+    /**
+     * 批量新增生产成本明细
+     *
+     * @param list 生产成本明细列表
+     * @return 结果
+     */
+    public int insertBatch(List<CostProdDetail> list);
 }
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdDetailService.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdDetailService.java
index ad2b7001..afb28c56 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdDetailService.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdDetailService.java
@@ -2,18 +2,20 @@ package com.ruoyi.cost.service;
 
 import java.util.List;
 import com.ruoyi.cost.domain.CostProdDetail;
+import com.ruoyi.cost.bo.CostProdDetailBo;
+import org.springframework.transaction.annotation.Transactional;
 
 /**
  * 生产成本明细Service接口
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
-public interface ICostProdDetailService 
+public interface ICostProdDetailService
 {
     /**
      * 查询生产成本明细
-     * 
+     *
      * @param detailId 生产成本明细主键
      * @return 生产成本明细
      */
@@ -21,7 +23,7 @@ public interface ICostProdDetailService
 
     /**
      * 查询生产成本明细列表
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 生产成本明细集合
      */
@@ -29,7 +31,7 @@ public interface ICostProdDetailService
 
     /**
      * 新增生产成本明细
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 结果
      */
@@ -37,7 +39,7 @@ public interface ICostProdDetailService
 
     /**
      * 修改生产成本明细
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 结果
      */
@@ -45,7 +47,7 @@ public interface ICostProdDetailService
 
     /**
      * 批量删除生产成本明细
-     * 
+     *
      * @param detailIds 需要删除的生产成本明细主键集合
      * @return 结果
      */
@@ -53,9 +55,19 @@ public interface ICostProdDetailService
 
     /**
      * 删除生产成本明细信息
-     * 
+     *
      * @param detailId 生产成本明细主键
      * @return 结果
      */
     public int deleteCostProdDetailByDetailId(Long detailId);
+
+
+    /**
+     * 批量保存生产成本明细（先删除再插入）
+     *
+     * @param bo 批量操作参数
+     * @return 结果
+     */
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean batchSaveWithDelete(CostProdDetailBo bo);
 }
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdReportService.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdReportService.java
index 292df7de..79499f22 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdReportService.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/ICostProdReportService.java
@@ -58,4 +58,14 @@ public interface ICostProdReportService
      * @return 结果
      */
     public int deleteCostProdReportByReportId(Long reportId);
+
+    /**
+     * 复制生产月报
+     * 明细列原样保留（itemId不变），指标列重新插入并更新config中的id引用
+     * 
+     * @param sourceId 源报表ID
+     * @param bo 新报表覆盖字段
+     * @return 新报表
+     */
+    public CostProdReport copyReport(Long sourceId, CostProdReport bo);
 }
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostItemServiceImpl.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostItemServiceImpl.java
index d466f72d..c4576bc8 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostItemServiceImpl.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostItemServiceImpl.java
@@ -1,6 +1,9 @@
 package com.ruoyi.cost.service.impl;
 
 import java.util.List;
+
+import com.ruoyi.common.annotation.DataSource;
+import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.common.utils.DateUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -10,19 +13,20 @@ import com.ruoyi.cost.service.ICostItemService;
 
 /**
  * 成本项目配置Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
 @Service
-public class CostItemServiceImpl implements ICostItemService 
+@DataSource(DataSourceType.KLP)
+public class CostItemServiceImpl implements ICostItemService
 {
     @Autowired
     private CostItemMapper costItemMapper;
 
     /**
      * 查询成本项目配置
-     * 
+     *
      * @param itemId 成本项目配置主键
      * @return 成本项目配置
      */
@@ -34,7 +38,7 @@ public class CostItemServiceImpl implements ICostItemService
 
     /**
      * 查询成本项目配置列表
-     * 
+     *
      * @param costItem 成本项目配置
      * @return 成本项目配置
      */
@@ -46,7 +50,7 @@ public class CostItemServiceImpl implements ICostItemService
 
     /**
      * 新增成本项目配置
-     * 
+     *
      * @param costItem 成本项目配置
      * @return 结果
      */
@@ -59,7 +63,7 @@ public class CostItemServiceImpl implements ICostItemService
 
     /**
      * 修改成本项目配置
-     * 
+     *
      * @param costItem 成本项目配置
      * @return 结果
      */
@@ -72,7 +76,7 @@ public class CostItemServiceImpl implements ICostItemService
 
     /**
      * 批量删除成本项目配置
-     * 
+     *
      * @param itemIds 需要删除的成本项目配置主键
      * @return 结果
      */
@@ -84,7 +88,7 @@ public class CostItemServiceImpl implements ICostItemService
 
     /**
      * 删除成本项目配置信息
-     * 
+     *
      * @param itemId 成本项目配置主键
      * @return 结果
      */
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostPriceServiceImpl.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostPriceServiceImpl.java
index 1d9e9f6e..6ff3fe5b 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostPriceServiceImpl.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostPriceServiceImpl.java
@@ -1,6 +1,9 @@
 package com.ruoyi.cost.service.impl;
 
 import java.util.List;
+
+import com.ruoyi.common.annotation.DataSource;
+import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.common.utils.DateUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -10,19 +13,20 @@ import com.ruoyi.cost.service.ICostPriceService;
 
 /**
  * 成本单价历史Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
 @Service
-public class CostPriceServiceImpl implements ICostPriceService 
+@DataSource(DataSourceType.KLP)
+public class CostPriceServiceImpl implements ICostPriceService
 {
     @Autowired
     private CostPriceMapper costPriceMapper;
 
     /**
      * 查询成本单价历史
-     * 
+     *
      * @param priceId 成本单价历史主键
      * @return 成本单价历史
      */
@@ -34,7 +38,7 @@ public class CostPriceServiceImpl implements ICostPriceService
 
     /**
      * 查询成本单价历史列表
-     * 
+     *
      * @param costPrice 成本单价历史
      * @return 成本单价历史
      */
@@ -46,7 +50,7 @@ public class CostPriceServiceImpl implements ICostPriceService
 
     /**
      * 新增成本单价历史
-     * 
+     *
      * @param costPrice 成本单价历史
      * @return 结果
      */
@@ -59,7 +63,7 @@ public class CostPriceServiceImpl implements ICostPriceService
 
     /**
      * 修改成本单价历史
-     * 
+     *
      * @param costPrice 成本单价历史
      * @return 结果
      */
@@ -72,7 +76,7 @@ public class CostPriceServiceImpl implements ICostPriceService
 
     /**
      * 批量删除成本单价历史
-     * 
+     *
      * @param priceIds 需要删除的成本单价历史主键
      * @return 结果
      */
@@ -84,7 +88,7 @@ public class CostPriceServiceImpl implements ICostPriceService
 
     /**
      * 删除成本单价历史信息
-     * 
+     *
      * @param priceId 成本单价历史主键
      * @return 结果
      */
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdDetailServiceImpl.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdDetailServiceImpl.java
index df754c38..b09c41c4 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdDetailServiceImpl.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdDetailServiceImpl.java
@@ -1,28 +1,36 @@
 package com.ruoyi.cost.service.impl;
 
 import java.util.List;
+import java.util.stream.Collectors;
+
+import com.ruoyi.common.annotation.DataSource;
+import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.common.utils.DateUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 import com.ruoyi.cost.mapper.CostProdDetailMapper;
 import com.ruoyi.cost.domain.CostProdDetail;
 import com.ruoyi.cost.service.ICostProdDetailService;
+import com.ruoyi.cost.bo.CostProdDetailBo;
 
 /**
  * 生产成本明细Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
 @Service
-public class CostProdDetailServiceImpl implements ICostProdDetailService 
+@DataSource(DataSourceType.KLP)
+public class CostProdDetailServiceImpl implements ICostProdDetailService
 {
     @Autowired
     private CostProdDetailMapper costProdDetailMapper;
 
     /**
      * 查询生产成本明细
-     * 
+     *
      * @param detailId 生产成本明细主键
      * @return 生产成本明细
      */
@@ -34,7 +42,7 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
 
     /**
      * 查询生产成本明细列表
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 生产成本明细
      */
@@ -46,7 +54,7 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
 
     /**
      * 新增生产成本明细
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 结果
      */
@@ -59,7 +67,7 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
 
     /**
      * 修改生产成本明细
-     * 
+     *
      * @param costProdDetail 生产成本明细
      * @return 结果
      */
@@ -72,7 +80,7 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
 
     /**
      * 批量删除生产成本明细
-     * 
+     *
      * @param detailIds 需要删除的生产成本明细主键
      * @return 结果
      */
@@ -84,7 +92,7 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
 
     /**
      * 删除生产成本明细信息
-     * 
+     *
      * @param detailId 生产成本明细主键
      * @return 结果
      */
@@ -93,4 +101,29 @@ public class CostProdDetailServiceImpl implements ICostProdDetailService
     {
         return costProdDetailMapper.deleteCostProdDetailByDetailId(detailId);
     }
+
+    /**
+     * 批量保存生产成本明细（先删除再插入）
+     */
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean batchSaveWithDelete(CostProdDetailBo bo)
+    {
+        if (!CollectionUtils.isEmpty(bo.getProdDetailList()))
+        {
+            if (!CollectionUtils.isEmpty(bo.getDetailIds()))
+            {
+                // 转成Long[]后删除
+                Long[] ids = bo.getDetailIds().toArray(new Long[0]);
+                costProdDetailMapper.deleteCostProdDetailByDetailIds(ids);
+            }
+
+            // 设置createTime后批量插入
+            List<CostProdDetail> list = bo.getProdDetailList().stream()
+                    .peek(item -> item.setCreateTime(DateUtils.getNowDate()))
+                    .collect(Collectors.toList());
+            return costProdDetailMapper.insertBatch(list) > 0;
+        }
+        return false;
+    }
 }
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdMetricServiceImpl.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdMetricServiceImpl.java
index edddc406..4e0f9698 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdMetricServiceImpl.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdMetricServiceImpl.java
@@ -1,6 +1,9 @@
 package com.ruoyi.cost.service.impl;
 
 import java.util.List;
+
+import com.ruoyi.common.annotation.DataSource;
+import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.common.utils.DateUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -10,19 +13,20 @@ import com.ruoyi.cost.service.ICostProdMetricService;
 
 /**
  * 生产指标明细Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
 @Service
-public class CostProdMetricServiceImpl implements ICostProdMetricService 
+@DataSource(DataSourceType.KLP)
+public class CostProdMetricServiceImpl implements ICostProdMetricService
 {
     @Autowired
     private CostProdMetricMapper costProdMetricMapper;
 
     /**
      * 查询生产指标明细
-     * 
+     *
      * @param metricId 生产指标明细主键
      * @return 生产指标明细
      */
@@ -34,7 +38,7 @@ public class CostProdMetricServiceImpl implements ICostProdMetricService
 
     /**
      * 查询生产指标明细列表
-     * 
+     *
      * @param costProdMetric 生产指标明细
      * @return 生产指标明细
      */
@@ -46,7 +50,7 @@ public class CostProdMetricServiceImpl implements ICostProdMetricService
 
     /**
      * 新增生产指标明细
-     * 
+     *
      * @param costProdMetric 生产指标明细
      * @return 结果
      */
@@ -59,7 +63,7 @@ public class CostProdMetricServiceImpl implements ICostProdMetricService
 
     /**
      * 修改生产指标明细
-     * 
+     *
      * @param costProdMetric 生产指标明细
      * @return 结果
      */
@@ -72,7 +76,7 @@ public class CostProdMetricServiceImpl implements ICostProdMetricService
 
     /**
      * 批量删除生产指标明细
-     * 
+     *
      * @param metricIds 需要删除的生产指标明细主键
      * @return 结果
      */
@@ -84,7 +88,7 @@ public class CostProdMetricServiceImpl implements ICostProdMetricService
 
     /**
      * 删除生产指标明细信息
-     * 
+     *
      * @param metricId 生产指标明细主键
      * @return 结果
      */
diff --git a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdReportServiceImpl.java b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdReportServiceImpl.java
index 4bf77c3b..c383b956 100644
--- a/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdReportServiceImpl.java
+++ b/ruoyi-cost/src/main/java/com/ruoyi/cost/service/impl/CostProdReportServiceImpl.java
@@ -1,28 +1,42 @@
 package com.ruoyi.cost.service.impl;
 
 import java.util.List;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONArray;
+import com.alibaba.fastjson2.JSONObject;
+import com.ruoyi.common.annotation.DataSource;
+import com.ruoyi.common.enums.DataSourceType;
 import com.ruoyi.common.utils.DateUtils;
+import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.common.utils.bean.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import com.ruoyi.cost.mapper.CostProdMetricMapper;
 import com.ruoyi.cost.mapper.CostProdReportMapper;
+import com.ruoyi.cost.domain.CostProdMetric;
 import com.ruoyi.cost.domain.CostProdReport;
 import com.ruoyi.cost.service.ICostProdReportService;
 
 /**
  * 生产月报Service业务层处理
- * 
+ *
  * @author ruoyi
  * @date 2026-06-09
  */
 @Service
-public class CostProdReportServiceImpl implements ICostProdReportService 
+@DataSource(DataSourceType.KLP)
+public class CostProdReportServiceImpl implements ICostProdReportService
 {
     @Autowired
     private CostProdReportMapper costProdReportMapper;
 
+    @Autowired
+    private CostProdMetricMapper costProdMetricMapper;
+
     /**
      * 查询生产月报
-     * 
+     *
      * @param reportId 生产月报主键
      * @return 生产月报
      */
@@ -34,7 +48,7 @@ public class CostProdReportServiceImpl implements ICostProdReportService
 
     /**
      * 查询生产月报列表
-     * 
+     *
      * @param costProdReport 生产月报
      * @return 生产月报
      */
@@ -46,7 +60,7 @@ public class CostProdReportServiceImpl implements ICostProdReportService
 
     /**
      * 新增生产月报
-     * 
+     *
      * @param costProdReport 生产月报
      * @return 结果
      */
@@ -59,7 +73,7 @@ public class CostProdReportServiceImpl implements ICostProdReportService
 
     /**
      * 修改生产月报
-     * 
+     *
      * @param costProdReport 生产月报
      * @return 结果
      */
@@ -72,7 +86,7 @@ public class CostProdReportServiceImpl implements ICostProdReportService
 
     /**
      * 批量删除生产月报
-     * 
+     *
      * @param reportIds 需要删除的生产月报主键
      * @return 结果
      */
@@ -84,7 +98,7 @@ public class CostProdReportServiceImpl implements ICostProdReportService
 
     /**
      * 删除生产月报信息
-     * 
+     *
      * @param reportId 生产月报主键
      * @return 结果
      */
@@ -93,4 +107,79 @@ public class CostProdReportServiceImpl implements ICostProdReportService
     {
         return costProdReportMapper.deleteCostProdReportByReportId(reportId);
     }
+
+    /**
+     * 复制生产月报
+     * 明细列原样保留（itemId不变），指标列重新插入并更新config中的id引用
+     */
+    @Override
+    public CostProdReport copyReport(Long sourceId, CostProdReport bo)
+    {
+        CostProdReport source = costProdReportMapper.selectCostProdReportByReportId(sourceId);
+        if (source == null)
+        {
+            throw new RuntimeException("源报表不存在");
+        }
+
+        // 创建新报表，先插入以获取ID
+        CostProdReport newRp = new CostProdReport();
+        BeanUtils.copyProperties(source, newRp, "reportId", "colConfig");
+        newRp.setReportTitle(bo.getReportTitle() != null ? bo.getReportTitle() : source.getReportTitle() + "-副本");
+        if (bo.getReportDate() != null) {
+            newRp.setReportDate(bo.getReportDate());
+        }
+        if (bo.getLineType() != null) {
+            newRp.setLineType(bo.getLineType());
+        }
+        if (bo.getInputWeight() != null) {
+            newRp.setInputWeight(bo.getInputWeight());
+        }
+        if (bo.getOutputWeight() != null) {
+            newRp.setOutputWeight(bo.getOutputWeight());
+        }
+        if (bo.getRemark() != null) {
+            newRp.setRemark(bo.getRemark());
+        }
+        newRp.setCreateTime(DateUtils.getNowDate());
+        costProdReportMapper.insertCostProdReport(newRp);
+        Long newRid = newRp.getReportId();
+
+        // 处理colConfig：为每个指标列重新插入metric记录，更新id引用
+        String colConfig = source.getColConfig();
+        if (StringUtils.isNotBlank(colConfig))
+        {
+            JSONObject cfg = JSON.parseObject(colConfig);
+            JSONArray columns = cfg.getJSONArray("columns");
+            if (columns != null && columns.size() > 0)
+            {
+                for (int i = 0; i < columns.size(); i++)
+                {
+                    JSONObject col = columns.getJSONObject(i);
+                    if ("m".equals(col.getString("t")))
+                    {
+                        String idStr = col.getString("id");
+                        Long oldMetricId = idStr != null ? Long.parseLong(idStr) : null;
+                        if (oldMetricId != null)
+                        {
+                            CostProdMetric srcMetric = costProdMetricMapper.selectCostProdMetricByMetricId(oldMetricId);
+                            if (srcMetric != null)
+                            {
+                                CostProdMetric newMetric = new CostProdMetric();
+                                BeanUtils.copyProperties(srcMetric, newMetric, "metricId", "reportId");
+                                newMetric.setReportId(newRid);
+                                newMetric.setCreateTime(DateUtils.getNowDate());
+                                costProdMetricMapper.insertCostProdMetric(newMetric);
+                                col.put("id", String.valueOf(newMetric.getMetricId()));
+                            }
+                        }
+                    }
+                }
+                newRp.setColConfig(cfg.toString());
+                newRp.setUpdateTime(DateUtils.getNowDate());
+                costProdReportMapper.updateCostProdReport(newRp);
+            }
+        }
+
+        return costProdReportMapper.selectCostProdReportByReportId(newRid);
+    }
 }
diff --git a/ruoyi-cost/src/main/resources/mapper/cost/CostProdDetailMapper.xml b/ruoyi-cost/src/main/resources/mapper/cost/CostProdDetailMapper.xml
index b6197113..699e806f 100644
--- a/ruoyi-cost/src/main/resources/mapper/cost/CostProdDetailMapper.xml
+++ b/ruoyi-cost/src/main/resources/mapper/cost/CostProdDetailMapper.xml
@@ -107,4 +107,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             #{detailId}
         </foreach>
     </delete>
+
+    <insert id="insertBatch" parameterType="java.util.List" useGeneratedKeys="true" keyProperty="detailId">
+        insert into cost_prod_detail (report_id, shift, detail_date, item_id, quantity, unit_price, amount, remark, del_flag, create_by, create_time, update_by, update_time) values
+        <foreach collection="list" item="item" separator=",">
+            (#{item.reportId}, #{item.shift}, #{item.detailDate}, #{item.itemId}, #{item.quantity}, #{item.unitPrice}, #{item.amount}, #{item.remark}, #{item.delFlag}, #{item.createBy}, #{item.createTime}, #{item.updateBy}, #{item.updateTime})
+        </foreach>
+    </insert>
 </mapper>
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