diff --git a/business/model/legacymodel/jxbadcomments.go b/business/model/legacymodel/jxbadcomments.go
index e63ea63ba..230167655 100644
--- a/business/model/legacymodel/jxbadcomments.go
+++ b/business/model/legacymodel/jxbadcomments.go
@@ -4,7 +4,7 @@ import "time"
 
 type JxBadComments struct {
 	Id                  int       `json:"id" orm:"column(id)"`
-	CreatedAt           time.Time `orm:"auto_now_add;type(datetime)" json:"createdAt"`
+	CreatedAt           time.Time `orm:"auto_now_add;type(datetime);null" json:"createdAt"`
 	OrderId             string    `json:"order_id" orm:"column(order_id);size(25);unique" description:"订单ID"`
 	Jxstoreid           string    `json:"jxstoreid" orm:"column(jxstoreid);size(11);index" description:"京西门店ID"`
 	Userphone           string    `json:"userPhone" orm:"column(userphone);size(255);null" description:"评价的用户的联系方式"`