diff --git a/Backend/src/services/CoursesInstructor.service.ts b/Backend/src/services/CoursesInstructor.service.ts
index 62ea5463..a1ba6751 100644
--- a/Backend/src/services/CoursesInstructor.service.ts
+++ b/Backend/src/services/CoursesInstructor.service.ts
@@ -864,6 +864,7 @@ export class CoursesInstructorService {
 
                 return {
                     question_id: question.id,
+                    sort_order: question.sort_order,
                     question_text: question.question as { th: string; en: string },
                     selected_choice_id: selectedChoiceId,
                     selected_choice_text: selectedChoice ? selectedChoice.text as { th: string; en: string } : null,
diff --git a/Backend/src/types/CoursesInstructor.types.ts b/Backend/src/types/CoursesInstructor.types.ts
index 74de0794..85673958 100644
--- a/Backend/src/types/CoursesInstructor.types.ts
+++ b/Backend/src/types/CoursesInstructor.types.ts
@@ -313,6 +313,7 @@ export interface QuizAttemptDetailData {
     completed_at: Date | null;
     answers_review: {
         question_id: number;
+        sort_order: number;
         question_text: MultiLanguageText;
         selected_choice_id: number | null;
         selected_choice_text: MultiLanguageText | null;