diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/ProjectProfitLossVO.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/ProjectProfitLossVO.java
index 4f480c3..353edbc 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/ProjectProfitLossVO.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/vo/ProjectProfitLossVO.java
@@ -1,5 +1,6 @@
 package com.ruoyi.oa.domain.vo;
 
+import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.Data;
 
 import java.math.BigDecimal;
@@ -12,14 +13,19 @@ public class ProjectProfitLossVO {
     private String projectNum;
     private Date beginTime;
     private String projectStatus;
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal originalFunds;        // 原始合同金额
     private String projectRemark;           // 项目备注（用于判断币种）
     private BigDecimal contractAmountUsd;   // 美元合同金额
     private Integer isUsd;                  // 是否美元（1是，0否）
     private BigDecimal exchangeRate;        // 实时汇率
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal contractAmountCny;   // 人民币合同金额
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal warehouseCost;
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal hrCost;
+    @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal profitLoss;  //盈亏金额
     // ...其他字段
     // getter/setter
diff --git a/ruoyi-oa/src/main/resources/mapper/oa/SysOaProjectMapper.xml b/ruoyi-oa/src/main/resources/mapper/oa/SysOaProjectMapper.xml
index 8f467d0..11cb40d 100644
--- a/ruoyi-oa/src/main/resources/mapper/oa/SysOaProjectMapper.xml
+++ b/ruoyi-oa/src/main/resources/mapper/oa/SysOaProjectMapper.xml
@@ -857,8 +857,10 @@
                     a.project_id,
                     SUM(
                             CASE
-                                WHEN a.hour > 0 THEN a.hour * u.labor_cost
-                                ELSE a.day_length * 8 * u.labor_cost
+                                -- 当小时数存在时，使用日薪/8计算小时薪资
+                                WHEN a.hour > 0 THEN a.hour * (COALESCE(u.labor_cost, 0) DIV 8)
+                                -- 当日数存在时，使用日薪×天数
+                                ELSE a.day_length * COALESCE(u.labor_cost, 0)
                                 END
                     ) AS total_hr_cost
                 FROM