When chats are locked, the notification written content and phone are hidden. The notification will display as WhatsApp: one new information. To find out more about different company messaging answers that WhatsApp delivers, see this information. 您可以與親朋好友保持聯繫，並透過受端對端加密保護的群組對話，在行動裝置和電腦之間分享訊息、照片、影片和文件。 社群新功能 – 将相关群组汇聚于一... https://apps-whatsapp.com/