diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/LaborEducationServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/LaborEducationServiceImpl.java
index 03eea6e..ae37cd0 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/LaborEducationServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/LaborEducationServiceImpl.java
@@ -1569,12 +1569,14 @@ public Map<String,List<Map<String, Object>>> getStudentMonthlyScores(LaborDto la
     // 3. 获取考试及知识点映射
     Map<String, List<List<String>>> examKnowledgeMap = new HashMap<>();
     Map<String, List<Double>> points = new HashMap<>();
+
     List<ExamVo> exams = getExamsWithKnowledge(laborDto, records, examKnowledgeMap, points);
 
     // 4. 获取考试结果并按月份分组
     List<String> targetStudents = laborDto.getClassId() != null ?
             classStudentIds : Collections.singletonList(studentId);
 
+    //records有可能没有数据 重写monthlyResults
     Map<Integer, List<ExamResultWrapper>> monthlyResults = getMonthlyExamResults(
             schoolId, laborDto.getClassId(), exams, records,
             examKnowledgeMap, points, targetStudents // 传入目标学生列表
@@ -1697,7 +1699,20 @@ public Map<String,List<Map<String, Object>>> getStudentMonthlyScores(LaborDto la
     private List<ExamVo> getExamsWithKnowledge(LaborDto laborDto, List<LessonRecord> records,
                                                Map<String, List<List<String>>> examKnowledgeMap,
                                                Map<String, List<Double>> points) {
-        List<String> lessonRecordIds = records.stream().map(LessonRecord::getId).collect(Collectors.toList());
+        if (records == null || records.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        List<String> lessonRecordIds = records.stream()
+                .map(LessonRecord::getId)
+                .filter(id -> id != null && !id.isEmpty())
+                .distinct()
+                .collect(Collectors.toList());
+
+        if (lessonRecordIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+
         List<ExamVo> exams = examRepository.findExamsByIds(laborDto.getSource(), lessonRecordIds);
 
         exams.forEach(exam -> {
@@ -1712,13 +1727,16 @@ public Map<String,List<Map<String, Object>>> getStudentMonthlyScores(LaborDto la
                 .collect(Collectors.toList());
     }
 
+
     private Map<Integer, List<ExamResultWrapper>> getMonthlyExamResults(
             String schoolId, String classId, List<ExamVo> exams,
             List<LessonRecord> records, Map<String, List<List<String>>> examKnowledgeMap,
             Map<String, List<Double>> points, List<String> studentIds) { // 新增studentIds参数
 
         Map<Integer, List<ExamResultWrapper>> monthlyResults = new HashMap<>();
-
+        if (exams == null || exams.isEmpty() || records == null || records.isEmpty()) {
+            return monthlyResults; // 安全退出，返回空 map
+        }
         if (classId == null) {
             exams.forEach(exam -> {
                 List<ExamClassResult> results = examClassResultRepository.findByStudentId(
diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/MoralEducationServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/MoralEducationServiceImpl.java
index c1c0763..f3bb8af 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/MoralEducationServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/MoralEducationServiceImpl.java
@@ -11,6 +11,7 @@ import cn.teammodel.model.dto.admin.common.GroupDto;
 import cn.teammodel.model.dto.admin.common.RGroupList;
 import cn.teammodel.model.dto.admin.common.RMember;
 import cn.teammodel.model.dto.admin.labor.FindDto;
+import cn.teammodel.model.dto.admin.labor.LaborDto;
 import cn.teammodel.model.entity.appraise.Appraise;
 import cn.teammodel.model.entity.appraise.AppraiseTreeNode;
 import cn.teammodel.model.entity.common.Exam;
@@ -1697,7 +1698,20 @@ public class MoralEducationServiceImpl implements MoralEducationService {
     private List<ExamVo> getExamsWithKnowledge(MoralDto moralDto, List<LessonRecord> records,
                                                Map<String, List<List<String>>> examKnowledgeMap,
                                                Map<String, List<Double>> points) {
-        List<String> lessonRecordIds = records.stream().map(LessonRecord::getId).collect(Collectors.toList());
+        if (records == null || records.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        List<String> lessonRecordIds = records.stream()
+                .map(LessonRecord::getId)
+                .filter(id -> id != null && !id.isEmpty())
+                .distinct()
+                .collect(Collectors.toList());
+
+        if (lessonRecordIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+
         List<ExamVo> exams = examRepository.findExamsByIds(moralDto.getSource(), lessonRecordIds);
 
         exams.forEach(exam -> {
diff --git a/src/main/java/cn/teammodel/test/AsyncTeacherService.java b/src/main/java/cn/teammodel/test/AsyncTeacherService.java
index 02b9583..c196128 100644
--- a/src/main/java/cn/teammodel/test/AsyncTeacherService.java
+++ b/src/main/java/cn/teammodel/test/AsyncTeacherService.java
@@ -64,7 +64,7 @@ public class AsyncTeacherService {
                     .collect(Collectors.toList());
 
             if (!updates.isEmpty()) {
-                ptTeacherRepository.saveAll(updates);
+                //ptTeacherRepository.saveAll(updates);
                 // updates.forEach(pt -> PT_TEACHER_CACHE.put(pt.getCode(), pt));
             }
         } catch (Exception e) {