diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaCostServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaCostServiceImpl.java
index 2e8fccf..09d9168 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaCostServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/SysOaCostServiceImpl.java
@@ -23,6 +23,7 @@ import com.ruoyi.oa.domain.SysOaCost;
 import com.ruoyi.oa.service.ISysOaCostService;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  * 项目成本分析Service业务层处理
@@ -169,10 +170,41 @@ public class SysOaCostServiceImpl implements ISysOaCostService {
             } else if (allVo.getCostType() == 5) { // 接待
 
             }}
-            // 往vos里面加
             allVos.add(allVo);
+
         }
-        return TableDataInfo.build(allVos);
+
+// 假设原始数据列表为 allVos
+        List<SysOaCostAllVo> resVos = allVos.stream()
+                .collect(Collectors.groupingBy(SysOaCostAllVo::getProjectId))
+                .values().stream()
+                .map(group -> {
+                    Double userCostSum = group.stream().mapToDouble(x -> Optional.ofNullable((Double)x.getUserCost()).orElse(0.0)).sum();
+
+                    Double claimCostSum = group.stream().mapToDouble(x ->  Optional.ofNullable((Double)x.getUserCost()).orElse(0.0)).sum();
+                    Double materialCostSum = group.stream().mapToDouble(x ->  Optional.ofNullable((Double)x.getUserCost()).orElse(0.0)).sum();
+                    Double totalCost = userCostSum + claimCostSum + materialCostSum;
+
+                    return new SysOaCostAllVo(
+                            group.get(0).getProjectId(),
+                            group.get(0).getProjectName(),
+                            totalCost,
+                            null,
+                            "汇总数据",  // 备注
+                            null,
+                            null,      // materialId
+                            materialCostSum,
+                            null,      // userId
+                            userCostSum,
+                            null,      // claimId
+                            claimCostSum,
+                            null// financeId
+                    );
+                })
+                .collect(Collectors.toList());
+
+
+        return TableDataInfo.build(resVos);
     }
 
     /**