- replace literal 'admin' with const

business/auth2/authprovider/password/password.go

@@ -60,7 +60,7 @@ func (a *Auther) ChangePassword(userID, oldPassMD5, newPassMD5 string) (err erro
 			_, err = dao.UpdateEntityLogically(db, authBind, map[string]interface{}{
 				"AuthSecret":  encryptPwd,
 				"AuthSecret2": salt,
-			}, "admin", nil)
+			}, model.AdminName, nil)
 		}
 	} else if dao.IsNoRowsError(err) {
 		err = a.AddAuthBind(&auth2.AuthBindEx{
@@ -71,7 +71,7 @@ func (a *Auther) ChangePassword(userID, oldPassMD5, newPassMD5 string) (err erro
 				AuthSecret:  encryptPwd,
 				AuthSecret2: salt,
 			},
-		}, "admin")
+		}, model.AdminName)
 	}
 	return err
 }