diff --git a/business/model/auth2.go b/business/model/auth2.go
index cb15d76c9..2eaefd61e 100644
--- a/business/model/auth2.go
+++ b/business/model/auth2.go
@@ -20,7 +20,7 @@ type AuthBind struct {
 	BindType int8   `json:"bindType"`
 	Type     string `orm:"size(16)" json:"type"`
 
-	UserID      string `orm:"size(48);column(user_id)" json:"userID"`
+	UserID      string `orm:"size(48);column(user_id);index" json:"userID"`
 	Status      int8   `json:"status"`
 	AuthID2     string `orm:"size(48);column(auth_id2);index" json:"authID2"`
 	AuthSecret  string `orm:"size(48)" json:"-"`