diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index ac3c160..063347d 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -2614,17 +2614,11 @@ public class TaskService {
             // 已完成的任务数
             Long completedCount = 0L;
             if (isDeptView && "receiving".equals(deptType)) {
-                // 接单部门视角：统计主任务+子任务
-                Long mainCompleted = taskMapper.selectCount(new LambdaQueryWrapper<Task>()
-                    .eq(Task::getStatus, "completed")
-                    .in(Task::getReceiverDeptId, deptAndChildIds)
-                    .eq(Task::getDeleted, 0));
-                Long subCompleted = taskItemMapper.selectCount(new LambdaQueryWrapper<TaskItem>()
+                // 接单部门视角：只统计子任务（与列表显示一致）
+                completedCount = taskItemMapper.selectCount(new LambdaQueryWrapper<TaskItem>()
                     .eq(TaskItem::getStatus, "completed")
                     .in(TaskItem::getReceiverDeptId, deptAndChildIds));
-                completedCount = mainCompleted + subCompleted;
-                log.info("接单部门已完成任务统计: mainCompleted={}, subCompleted={}, total={}", 
-                    mainCompleted, subCompleted, completedCount);
+                log.info("接单部门已完成任务统计（子任务）: completedCount={}", completedCount);
             } else if (isDeptView && "demand".equals(deptType)) {
                 completedCount = taskMapper.selectCount(new LambdaQueryWrapper<Task>()
                     .eq(Task::getStatus, "completed")