This article explains how to fix “subscription link won’t update” issues. If clients such as Clash, V2RayN, or sing-box report an update failure, fail to retrieve the configuration, show an empty subscription, or keep timing out, follow the steps below to troubleshoot your network, IP, DNS, browser, and client cache.
1. First, check whether the subscription link is accessible
Many update failures aren’t caused by a broken client—the subscription URL itself may simply be inaccessible. Copy the link and open it directly in your browser’s address bar to test it. Normally, the page may display configuration text, automatically download a file, or indicate that the content can’t be viewed directly while still returning a response. If it shows a 404 or 403 error, or times out, there’s likely a problem with the link or your access environment.
- Make sure you copied the entire link, especially any trailing parameters, equals signs, or slashes.
- Don’t use a webpage’s share link as the subscription URL. The client needs the raw subscription link.
- If the free nodes page on this site has been updated, copy the latest subscription link and import it again.
Key point: If the same subscription link won’t open in your browser, the client probably won’t be able to update it either.
2. Check your IP environment: is access restricted, or are you using the wrong route?
Subscription services sometimes restrict unusual access patterns, frequent requests, data center IPs, or networks in certain regions. If you’ve recently switched proxies, VPN services, or public Wi-Fi networks, you may find that the link won’t open on one network but works on another.
- Turn off your current proxy and try updating the subscription again to rule out proxy loops or rule-based blocking.
- Compare results using a mobile hotspot, home broadband, and your workplace network.
- If your client supports “update subscription through proxy,” try both enabling and disabling the option.
If the subscription updates after you switch networks, the issue is likely related to your current IP or ISP route—not necessarily an invalid subscription.
3. DNS and browser settings can also affect updates
DNS resolution problems can cause the subscription domain to resolve to the wrong address, resulting in update timeouts, certificate errors, or connection resets. As a first step, try changing your system DNS to a common public DNS server, or switch DNS in your router or phone’s network settings and try again.
Your browser setup is also worth checking. Some security add-ons, ad blockers, and proxy extensions may block subscription requests. Work computers may also have security software that filters downloads. Try opening the subscription link in a private window or testing it in another browser. If it opens in private mode, a browser extension or cached data may be the cause.
Tip: Change one thing at a time when testing—for example, try a different DNS server first, then try another browser. Avoid changing too many settings at once so you can identify the cause.
4. Common fixes in the client
If the subscription link opens in your browser but still fails to update in the client, focus on the client’s settings.
- Delete the old subscription and add it again instead of repeatedly refreshing the existing entry.
- Check that your system clock is accurate. An incorrect time can cause HTTPS certificate verification to fail.
- Clear the client cache, restart the app, and try updating again.
- Make sure you’re using a recent client version. Older versions may not support newer subscription formats.
- Check the logs for keywords such as timeout, 403, certificate, or DNS to help narrow down the cause.
Note: Clash, V2RayN, and sing-box don’t use exactly the same subscription formats. If no nodes appear after importing, the link type may not be compatible with the client.
5. Quickly identify the source of the problem
Use this sequence to narrow things down: if the link won’t open in a browser, the problem is likely with the link, DNS, IP, or network; if it opens in a browser but fails in the client, the cause is more likely the client cache, proxy update settings, or format compatibility; if it works on another network, your current IP or ISP route is the most likely culprit; if it fails in only one browser, check its extensions, cache, and security software.
Finally, if the subscription hasn’t updated for a long time, get a new link or temporarily import available nodes manually. This site provides information on free nodes and client setup guides, but free resources may not always be available. If an update fails, following the troubleshooting steps above will usually help you find the cause quickly.