diff --git a/business/model/user.go b/business/model/user.go
index 427c10a2c..0219f1752 100644
--- a/business/model/user.go
+++ b/business/model/user.go
@@ -64,6 +64,7 @@ type User struct {
 func (user *User) TableUnique() [][]string {
 	return [][]string{
 		[]string{"Mobile"},
+		[]string{"OpenId"},
 	}
 }