100 米里的临时群聊 · Hyperlocal Group Chat within 100 meters
遇到任何问题、bug、或建议，请发邮件给我们：
For any issues, bugs, or feedback, please email us:
我们会在 48 小时内回复。
We typically respond within 48 hours.
Velm 通过 GPS 发现 100 米内的群聊。请确保已授予 App 精确位置权限（设置 → Velm → 位置 → "始终" 或 "使用 App 期间" + "精确位置" 开启）。如果你周围没有用户，可以点底部 "+" 按钮发起第一个群聊。
Velm uses GPS to find groups within 100 meters. Please ensure you've granted precise location permission (Settings → Velm → Location → "Always" or "While Using" + "Precise Location" enabled). If no one is nearby, tap the "+" button to start the first group.
群聊中点对方的临时昵称 → 弹出对方资料卡 → 点 "交换主身份"。对方需要同意后，你们俩在这个群里就能互看真名片。可随时单方面撤回，不通知对方。
In a group chat, tap someone's temporary nickname → tap "Request main identity exchange" on their profile. Once they accept, you can see each other's real cards in that group. Either side can silently revoke anytime.
App 内 "我的" → "管理账号" → "注销账号"。或邮件 yangyiiyang@gmail.com，我们 72 小时内永久删除你的所有数据。
In the app: "My" tab → "Manage Account" → "Delete Account". Or email us; we'll permanently delete all your data within 72 hours.
精确位置仅用于发现你 100 米内的群聊。我们不出售、不分享给第三方。详见 隐私政策。
Precise location is used only to discover groups within 100 m of you. We never sell or share it with third parties. See Privacy Policy.