The mod=restore flag was the hidden one. If you added it to the URL, the download wasn't a new emotion — it was an attempt to recover one you'd deleted. Lei had used it only once, after a breakup, to bring back the pack called "Farewell Rain." It didn't fix anything, but the tiny animation of raindrops spelling zàijiàn made him feel less alone.
: "ui" could refer to a user interface or a specific UI-related aspect. "VMall" sounds like it could be an online store or platform similar to an e-commerce site. Vmall is indeed an e-commerce platform, notably associated with Huawei. zh ui vmall com emotiondownload php mod restore