Internet & Connectivity · common
为什么在中国 Wi-Fi 下我无法使用银行 App？
Last updated:
⚠️ SYMPTOM
你一连上酒店或咖啡馆的 Wi-Fi,自己常用的银行或金融科技 App 就拒绝登录,或者弹出"网络不安全"的警告。
🔍 MOST LIKELY CAUSE
许多西方银行 App 会将中国 IP 段直接拉黑,作为反欺诈防护措施;同时酒店和咖啡馆等需要网页认证的公共 Wi-Fi 会向网络流量中插入额外内容,触发银行 App 的安全风控规则。
✓ HOW TO FIX
在打开银行 App 之前,先通过 VPN 隧道回你自己的国家,或者直接切换到手机移动漫游数据——银行通常会将其识别为合法网络。
Read next
VPN for China
Astrill, LetsVPN, and NordVPN are the most reliable VPNs in China in 2026; install before arrival because the App Store blocks downloads inside China.
Portable WiFi
Rent a portable 4G/5G WiFi hotspot at the airport for ¥30–80/day, returnable at any major airport, useful for groups of 2–4 travelers.
SIM & eSIM
Tourist eSIMs from Airalo, Holafly, and Nomad give 7–30 days of China data for $5–$30 without passport registration at a Chinese store.
Other Internet & Connectivity problems
Why is WhatsApp blocked in China?
WhatsApp won't send or receive messages — texts stay on one check, voice/video calls fail.
Why is Google Maps not working in China?
Google Maps shows your blue dot but no map tiles, or fails to load entirely.
Why is my VPN suddenly slow or disconnected in China?
Your VPN worked for the first 3 days and now it disconnects every 10 minutes, or pages load at dial-up speeds.
Why is my VPN not working in China?
You arrived in China, opened your VPN, and it will not connect at all or connects but no traffic loads.
Why can't I access Google, YouTube, or WhatsApp in China?
Every Google service, YouTube, and WhatsApp fail to load or time out on any Chinese Wi-Fi or mobile network.