diff --git a/backend/src/main/java/com/designhub/service/AnalyticsService.java b/backend/src/main/java/com/designhub/service/AnalyticsService.java
index a19cd25..6b11f04 100644
--- a/backend/src/main/java/com/designhub/service/AnalyticsService.java
+++ b/backend/src/main/java/com/designhub/service/AnalyticsService.java
@@ -1333,14 +1333,22 @@ public class AnalyticsService {
                 .le(Task::getActualEndTime, endTime)
         );
         
+        log.info("获取设计师扣分明细 - 用户: {}, 月份: {}, 已完成任务数: {}", 
+            designer.getRealName() != null ? designer.getRealName() : designer.getUsername(), 
+            currentMonth, completedTasks.size());
+        
         // 获取扣分比例配置
         BigDecimal deductionRate = getDeductionRate(designer.getDeptId(), currentMonth);
+        log.info("扣分比例: {}%", deductionRate);
         
         // 计算延误扣分明细
         List<DeductionDetailVO.DelayDeductionItem> delayDeductions = new ArrayList<>();
         BigDecimal totalDelayDeduction = BigDecimal.ZERO;
         
         for (Task task : completedTasks) {
+            log.debug("检查任务: taskNo={}, deadline={}, actualEndTime={}", 
+                task.getTaskNo(), task.getDeadline(), task.getActualEndTime());
+            
             if (task.getDeadline() != null && task.getActualEndTime() != null 
                 && task.getActualEndTime().isAfter(task.getDeadline())) {
                 
@@ -1370,6 +1378,9 @@ public class AnalyticsService {
                         
                         totalDelayDeduction = totalDelayDeduction.add(taskDeduction);
                         
+                        log.info("发现延误任务: taskNo={}, 任务积分={}, 延误小时={}, 扣分={}", 
+                            task.getTaskNo(), taskScore, overdueHours, taskDeduction);
+                        
                         delayDeductions.add(DeductionDetailVO.DelayDeductionItem.builder()
                             .taskId(task.getId())
                             .taskNo(task.getTaskNo())
@@ -1386,6 +1397,8 @@ public class AnalyticsService {
             }
         }
         
+        log.info("延误扣分总数: {}, 延误扣分记录数: {}", totalDelayDeduction, delayDeductions.size());
+        
         // 获取进度未更新扣分明细
         List<DeductionDetailVO.ProgressDeductionItem> progressDeductions = new ArrayList<>();
         BigDecimal totalProgressDeduction = BigDecimal.ZERO;