diff --git a/business/models/models.go b/business/models/models.go
index 030f1b3ce..91adbb296 100644
--- a/business/models/models.go
+++ b/business/models/models.go
@@ -7,6 +7,8 @@ import (
 type BlackClient struct {
 	ID        int       `orm:"column(id)"`
 	Mobile    string    `orm:"size(16);unique"`
-	CreatedAt time.Time `orm:"auto_now_add;type(datetime)`
-	UpdatedAt time.Time `orm:"auto_now;type(datetime)`
+	Name      string    `orm:"size(8)"`
+	Note      string    `orm:"size(256)"`
+	CreatedAt time.Time `orm:"auto_now_add;type(datetime);null"`
+	UpdatedAt time.Time `orm:"auto_now;type(datetime);null"`
 }