diff --git a/business/model/auth2.go b/business/model/auth2.go
index ba2904b1f..da9257fbd 100644
--- a/business/model/auth2.go
+++ b/business/model/auth2.go
@@ -12,7 +12,7 @@ type AuthBind struct {
 	Type   string `orm:"size(16)" json:"type"`
 	Status int8   `json:"status"`
 
-	AuthID      string `orm:"size(48);column(auth_id);index" json:"authID"`
+	AuthID      string `orm:"size(48);column(auth_id)" json:"authID"`
 	AuthID2     string `orm:"size(48);column(auth_id2);index" json:"authID2"`
 	AuthSecret  string `orm:"size(48)" json:"authSecret"`
 	AuthSecret2 string `orm:"size(48)" json:"authSecret2"`