diff --git a/reading-platform-frontend/src/views/teacher/lessons/LessonRecordsView.vue b/reading-platform-frontend/src/views/teacher/lessons/LessonRecordsView.vue
index 1904960..b7a2eff 100644
--- a/reading-platform-frontend/src/views/teacher/lessons/LessonRecordsView.vue
+++ b/reading-platform-frontend/src/views/teacher/lessons/LessonRecordsView.vue
@@ -336,13 +336,16 @@ const loadRecords = async () => {
 
 const loadLessonDetail = async () => {
   try {
-    const lesson = await getLesson(lessonId.value);
+    // 后端返回 LessonDetailResponse: { lesson, course, class }，需从嵌套结构解析
+    const res = await getLesson(lessonId.value);
+    const l = res?.lesson ?? res;
+    const classInfo = res?.class ?? res?.classInfo;
     lessonDetail.value = {
-      id: lesson.id,
-      courseId: lesson.courseId,
-      courseName: lesson.course?.name,
-      classId: lesson.classId,
-      className: lesson.class?.name,
+      id: l?.id,
+      courseId: l?.courseId ?? res?.course?.id,
+      courseName: res?.course?.name ?? l?.courseName,
+      classId: l?.classId ?? classInfo?.id,
+      className: classInfo?.name ?? l?.className,
     };
   } catch (error) {
     console.error('加载课程详情失败', error);