修复部门成员数统计和子部门查询逻辑

backend/src/main/java/com/designhub/service/DepartmentService.java

@@ -499,7 +499,12 @@ public class DepartmentService {
     }
 
     private Map<Long, Long> loadMemberCountMap() {
-        return userMapper.selectList(null).stream()
+        // 只统计启用且未删除的用户
+        return userMapper.selectList(
+            new LambdaQueryWrapper<User>()
+                .eq(User::getStatus, 1)
+                .eq(User::getDeleted, 0)
+        ).stream()
             .filter(user -> user.getDeptId() != null)
             .collect(Collectors.groupingBy(
                 User::getDeptId,
@@ -601,10 +606,12 @@ public class DepartmentService {
             return result;
         }
         
-        // 查找直接子部门
+        // 查找直接子部门（只查询未删除且启用的部门）
         List<Department> children = departmentMapper.selectList(
             new LambdaQueryWrapper<Department>()
                 .eq(Department::getParentId, deptId)
+                .eq(Department::getDeleted, 0)
+                .eq(Department::getStatus, 1)
         );
         
         // 递归获取所有子部门
@@ -613,6 +620,7 @@ public class DepartmentService {
             result.addAll(getAllChildDeptIds(child.getId()));
         }
         
+        log.info("获取部门{}的所有子部门ID: {}", deptId, result);
         return result;
     }