lightning bolt on the battery Ui

My problem here lies in the battery logo, when I want to charge my cellphone, the lightning logo does not appearMy problem here lies in the battery logo, where when I want to charge my cellphone, the lightning logo doesn't appear and the battery doesn't increase, so I have to restart my cellphone so that the battery can be charged and On the other hand, when I unplug my phone, the lightning logo remains until I charge my phone again.