diff --git a/docs/docs.go b/docs/docs.go
index 119db1fe..eb99dfca 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -4709,6 +4709,9 @@ const docTemplate = `{
                 },
                 "title": {
                     "type": "string"
+                },
+                "username": {
+                    "type": "string"
                 }
             }
         },
diff --git a/docs/swagger.json b/docs/swagger.json
index 097f3938..6af9f310 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -4697,6 +4697,9 @@
                 },
                 "title": {
                     "type": "string"
+                },
+                "username": {
+                    "type": "string"
                 }
             }
         },
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index a3f3ce70..abd78c89 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -99,6 +99,8 @@ definitions:
         type: string
       title:
         type: string
+      username:
+        type: string
     type: object
   schema.ActObjectTimeline:
     properties:
diff --git a/internal/entity/question_entity.go b/internal/entity/question_entity.go
index fd459e71..93d94cd6 100644
--- a/internal/entity/question_entity.go
+++ b/internal/entity/question_entity.go
@@ -31,7 +31,7 @@ type QuestionTag struct {
 type Question struct {
 	ID               string    `xorm:"not null pk BIGINT(20) id"`
 	CreatedAt        time.Time `xorm:"not null default CURRENT_TIMESTAMP TIMESTAMP created_at"`
-	UpdatedAt        time.Time `xorm:"not null default CURRENT_TIMESTAMP TIMESTAMP updated_at"`
+	UpdatedAt        time.Time `xorm:"updated_at TIMESTAMP"`
 	UserID           string    `xorm:"not null default 0 BIGINT(20) INDEX user_id"`
 	Title            string    `xorm:"not null default '' VARCHAR(150) title"`
 	OriginalText     string    `xorm:"not null MEDIUMTEXT original_text"`
@@ -45,7 +45,7 @@ type Question struct {
 	FollowCount      int       `xorm:"not null default 0 INT(11) follow_count"`
 	AcceptedAnswerID string    `xorm:"not null default 0 BIGINT(20) accepted_answer_id"`
 	LastAnswerID     string    `xorm:"not null default 0 BIGINT(20) last_answer_id"`
-	PostUpdateTime   time.Time `xorm:"default CURRENT_TIMESTAMP TIMESTAMP post_update_time"`
+	PostUpdateTime   time.Time `xorm:"post_update_time TIMESTAMP"`
 	RevisionID       string    `xorm:"not null default 0 BIGINT(20) revision_id"`
 }
 
diff --git a/internal/service/question_common/question.go b/internal/service/question_common/question.go
index 479238eb..72cfba92 100644
--- a/internal/service/question_common/question.go
+++ b/internal/service/question_common/question.go
@@ -380,7 +380,13 @@ func (qs *QuestionCommon) ShowFormat(ctx context.Context, data *entity.Question)
 	info.CreateTime = data.CreatedAt.Unix()
 	info.UpdateTime = data.UpdatedAt.Unix()
 	info.PostUpdateTime = data.PostUpdateTime.Unix()
+	if data.PostUpdateTime.Unix() < 1 {
+		info.PostUpdateTime = 0
+	}
 	info.QuestionUpdateTime = data.UpdatedAt.Unix()
+	if data.UpdatedAt.Unix() < 1 {
+		info.QuestionUpdateTime = 0
+	}
 	info.Status = data.Status
 	info.UserID = data.UserID
 	info.Tags = make([]*schema.TagResp, 0)
diff --git a/internal/service/question_service.go b/internal/service/question_service.go
index 08c84b0b..1c929ece 100644
--- a/internal/service/question_service.go
+++ b/internal/service/question_service.go
@@ -149,11 +149,11 @@ func (qs *QuestionService) AddQuestion(ctx context.Context, req *schema.Question
 	question.ParsedText = req.HTML
 	question.AcceptedAnswerID = "0"
 	question.LastAnswerID = "0"
-	question.PostUpdateTime = now
+	//question.PostUpdateTime = nil
 	question.Status = entity.QuestionStatusAvailable
 	question.RevisionID = "0"
 	question.CreatedAt = now
-	// question.UpdatedAt = now
+	//question.UpdatedAt = nil
 	err = qs.questionRepo.AddQuestion(ctx, question)
 	if err != nil {
 		return