diff --git a/internal/service/question_service.go b/internal/service/question_service.go
index 7b5ba7ed..0d0aa3a7 100644
--- a/internal/service/question_service.go
+++ b/internal/service/question_service.go
@@ -295,6 +295,7 @@ func (qs *QuestionService) UpdateQuestion(ctx context.Context, req *schema.Quest
 	question.ParsedText = req.HTML
 	question.ID = req.ID
 	question.UpdatedAt = now
+	question.PostUpdateTime = now
 	dbinfo, has, err := qs.questionRepo.GetQuestion(ctx, question.ID)
 	if err != nil {
 		return
@@ -381,7 +382,7 @@ func (qs *QuestionService) UpdateQuestion(ctx context.Context, req *schema.Quest
 		//Direct modification
 		revisionDTO.Status = entity.RevisionReviewPassStatus
 		//update question to db
-		saveerr := qs.questionRepo.UpdateQuestion(ctx, question, []string{"title", "original_text", "parsed_text", "updated_at"})
+		saveerr := qs.questionRepo.UpdateQuestion(ctx, question, []string{"title", "original_text", "parsed_text", "updated_at", "post_update_time"})
 		if saveerr != nil {
 			return questionInfo, saveerr
 		}
diff --git a/internal/service/revision_service.go b/internal/service/revision_service.go
index bfe28508..20fb14ba 100644
--- a/internal/service/revision_service.go
+++ b/internal/service/revision_service.go
@@ -127,7 +127,8 @@ func (rs *RevisionService) revisionAuditQuestion(ctx context.Context, revisionit
 		question.OriginalText = questioninfo.Content
 		question.ParsedText = questioninfo.HTML
 		question.UpdatedAt = now
-		saveerr := rs.questionRepo.UpdateQuestion(ctx, question, []string{"title", "original_text", "parsed_text", "updated_at"})
+		question.PostUpdateTime = now
+		saveerr := rs.questionRepo.UpdateQuestion(ctx, question, []string{"title", "original_text", "parsed_text", "updated_at", "post_update_time"})
 		if saveerr != nil {
 			return saveerr
 		}