@Override
    public GrowthRecordVO generateWeeklyFeedback(Long studentId, Long teacherId, LocalDate weekStartDate) {
        log.info("=== 生成周反馈 ===");
        log.info("studentId: {}, teacherId: {}, weekStartDate: {}", studentId, teacherId, weekStartDate);
        
        try {
            // 计算周结束日期（周日）
            LocalDate weekEndDate = weekStartDate.plusDays(6);
            
            // 查询本周的每日反馈
            QueryWrapper<GrowthRecord> wrapper = new QueryWrapper<>();
            wrapper.eq("student_id", studentId)
                   .eq("teacher_id", teacherId)
                   .eq("record_type", "daily")
                   .between("record_date", weekStartDate, weekEndDate)
                   .orderByAsc("record_date");
            
            List<GrowthRecord> dailyRecords = this.list(wrapper);
            
            if (dailyRecords.isEmpty()) {
                throw new RuntimeException("本周没有每日反馈记录，无法生成周反馈");
            }
            
            // 获取学生信息
            Student student = studentService.getById(studentId);
            if (student == null) {
                throw new RuntimeException("学生不存在");
            }
            
            // 汇总内容
            StringBuilder content = new StringBuilder();
            content.append("本周学习总结：\n\n");
            
            int totalDays = dailyRecords.size();
            for (int i = 0; i < dailyRecords.size(); i++) {
                GrowthRecord record = dailyRecords.get(i);
                content.append("第").append(i + 1).append("天（")
                       .append(record.getRecordDate()).append("）：\n");
                content.append(record.getContent()).append("\n\n");
            }
            
            // 生成总结
            StringBuilder summary = new StringBuilder();
            summary.append("本周").append(student.getName()).append("同学");
            summary.append("共完成 ").append(totalDays).append(" 天学习任务，");
            summary.append("学习态度认真，知识掌握情况良好。");
            summary.append("建议继续保持学习热情，加强薄弱环节的练习。");
            
            // 创建周反馈记录
            GrowthRecord weeklyRecord = new GrowthRecord();
            weeklyRecord.setTeacherId(teacherId);
            weeklyRecord.setStudentId(studentId);
            weeklyRecord.setStudentName(student.getName());
            weeklyRecord.setRecordType("weekly");
            weeklyRecord.setRecordDate(weekEndDate);
            weeklyRecord.setWeekStartDate(weekStartDate);
            weeklyRecord.setContent(content.toString());
            weeklyRecord.setSummary(summary.toString());
            weeklyRecord.setStatus(1);
            
            this.save(weeklyRecord);
            
            log.info("周反馈生成成功，ID: {}", weeklyRecord.getId());
            
            return convertToVO(weeklyRecord);
            
        } catch (Exception e) {
            log.error("生成周反馈失败", e);
            throw new RuntimeException("生成周反馈失败：" + e.getMessage());
        }
    }