none of these three methods will work. Why? I follow the development manual
.Db::name("user")->where("email",$email)
->setField(["password"=>$pw,"time"=>time()]);
Db::name("user")->where("email",$email)
->update(["password"=>$pw,"time"=>time()]);
$data=["email"=>$email,"password"=>$pw,"time"=>time()];
$res=$user->isUpdate(true)->save($data);
there are no specific errors reported