Whenever I download a video from mp4 source url, fixed saved as photo, could anyone help me?

Sempre que baixo um vídeo de url de origem mp4, fixa salvo como foto, alguém pôde me ajudar?

Translation added by Mod

Whenever I download a video from mp4 source url, fixed saved as photo, could anyone help me?

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change png to mp4
2022-07-01_21-37-48