diff --git a/internal/entity/answer_entity.go b/internal/entity/answer_entity.go
index 33e04d32..549e7f6b 100644
--- a/internal/entity/answer_entity.go
+++ b/internal/entity/answer_entity.go
@@ -20,7 +20,7 @@ var CmsAnswerSearchStatus = map[string]int{
 type Answer struct {
 	ID           string    `xorm:"not null pk autoincr BIGINT(20) id"`
 	CreatedAt    time.Time `xorm:"created 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"`
 	QuestionID   string    `xorm:"not null default 0 BIGINT(20) question_id"`
 	UserID       string    `xorm:"not null default 0 BIGINT(20) INDEX user_id"`
 	OriginalText string    `xorm:"not null MEDIUMTEXT original_text"`
diff --git a/internal/service/answer_common/answer.go b/internal/service/answer_common/answer.go
index 196d6628..56cfbb99 100644
--- a/internal/service/answer_common/answer.go
+++ b/internal/service/answer_common/answer.go
@@ -68,6 +68,9 @@ func (as *AnswerCommon) ShowFormat(ctx context.Context, data *entity.Answer) *sc
 	info.VoteCount = data.VoteCount
 	info.CreateTime = data.CreatedAt.Unix()
 	info.UpdateTime = data.UpdatedAt.Unix()
+	if data.UpdatedAt.Unix() < 1 {
+		info.UpdateTime = 0
+	}
 	info.UserID = data.UserID
 	return &info
 }
@@ -80,6 +83,9 @@ func (as *AnswerCommon) AdminShowFormat(ctx context.Context, data *entity.Answer
 	info.VoteCount = data.VoteCount
 	info.CreateTime = data.CreatedAt.Unix()
 	info.UpdateTime = data.UpdatedAt.Unix()
+	if data.UpdatedAt.Unix() < 1 {
+		info.UpdateTime = 0
+	}
 	info.UserID = data.UserID
 	info.Description = htmltext.FetchExcerpt(data.ParsedText, "...", 240)
 	return &info
diff --git a/internal/service/answer_service.go b/internal/service/answer_service.go
index f2975ce4..693c996b 100644
--- a/internal/service/answer_service.go
+++ b/internal/service/answer_service.go
@@ -134,7 +134,6 @@ func (as *AnswerService) Insert(ctx context.Context, req *schema.AnswerAddReq) (
 	if !exist {
 		return "", errors.BadRequest(reason.QuestionNotFound)
 	}
-	now := time.Now()
 	insertData := new(entity.Answer)
 	insertData.UserID = req.UserID
 	insertData.OriginalText = req.Content
@@ -143,7 +142,7 @@ func (as *AnswerService) Insert(ctx context.Context, req *schema.AnswerAddReq) (
 	insertData.QuestionID = req.QuestionID
 	insertData.RevisionID = "0"
 	insertData.Status = entity.AnswerStatusAvailable
-	insertData.UpdatedAt = now
+	//insertData.UpdatedAt = now
 	if err = as.answerRepo.AddAnswer(ctx, insertData); err != nil {
 		return "", err
 	}