diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/domain/vo/OutConstructionValueRangeVo.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/domain/vo/OutConstructionValueRangeVo.java
index 9d97a343..a304b323 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/domain/vo/OutConstructionValueRangeVo.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/domain/vo/OutConstructionValueRangeVo.java
@@ -41,6 +41,12 @@ public class OutConstructionValueRangeVo implements Serializable {
     @ExcelProperty(value = "项目ID")
     private Long projectId;
 
+    /**
+     * 第N周
+     */
+    @ExcelProperty(value = "第N周")
+    private int week;
+
     /**
      * 开始日期
      */
diff --git a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/service/impl/OutConstructionValueRangeServiceImpl.java b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/service/impl/OutConstructionValueRangeServiceImpl.java
index 4c3ef4cc..31826829 100644
--- a/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/service/impl/OutConstructionValueRangeServiceImpl.java
+++ b/xinnengyuan/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/out/service/impl/OutConstructionValueRangeServiceImpl.java
@@ -31,15 +31,15 @@ import org.dromara.progress.service.IPgsProgressPlanDetailService;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.context.event.EventListener;
 import org.springframework.stereotype.Service;
+import java.time.format.DateTimeFormatter;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.time.temporal.TemporalAdjusters;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
+import java.time.temporal.WeekFields;
+import java.util.*;
 
 /**
  * 施工产值范围Service业务层处理
@@ -61,6 +61,22 @@ public class OutConstructionValueRangeServiceImpl extends ServiceImpl<OutConstru
     @Resource
     private IPgsProgressPlanDetailService progressPlanDetailService;
 
+    /**
+     * 获取指定日期所在的周数（根据中国周规则）
+     *
+     * @param dateStr 日期字符串（格式：yyyy-MM-dd）
+     * @return 指定日期所在的周数（1-52）
+     */
+    public Integer getCurrentWeekOfYear(String dateStr) {
+        // 解析为 LocalDate（可根据需要调整日期格式）
+        LocalDate specifiedDate = LocalDate.parse(dateStr, DateTimeFormatter.ISO_LOCAL_DATE);
+        // 2. 定义周规则（可选，默认使用系统区域，也可指定）
+        // 示例2：中国规则（周一为第一天，第一周包含1月1日即可）
+        WeekFields chinaWeekFields = WeekFields.of(Locale.CHINA);
+        // 3. 获取指定时间在当年的周数（根据需要选择周规则）
+        return specifiedDate.get(chinaWeekFields.weekOfYear());
+    }
+
     /**
      * 查询施工产值范围
      *
@@ -87,6 +103,10 @@ public class OutConstructionValueRangeServiceImpl extends ServiceImpl<OutConstru
     public TableDataInfo<OutConstructionValueRangeVo> queryPageList(OutConstructionValueRangeBo bo, PageQuery pageQuery) {
         LambdaQueryWrapper<OutConstructionValueRange> lqw = buildQueryWrapper(bo);
         Page<OutConstructionValueRangeVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
+        //增加第N周
+        result.getRecords().forEach(item -> {
+            item.setWeek(getCurrentWeekOfYear(item.getStartDate().toString()));
+        });
         return TableDataInfo.build(result);
     }