Hi! I see you're having trouble with the Castle Clash app not updating. Let's work through this together to get it sorted out. Could you tell me a bit more about the issue? For example, are you seeing any error messages when you try to update, or does it just fail silently? Also, which platform are you using Castle Clash on—are you playing it on a PC through WebKit on Windows 10, or via some other app or emulator?

Meanwhile, here are some initial steps we can try to fix the update issue:

1. Check Your Internet Connection: Make sure your device has a stable internet connection, preferably Wi-Fi.

2. Restart the Device and Browser: Since you're on Windows 10 using WebKit, try restarting your computer and then reopen the browser to attempt the update again.

3. Clear Browser Cache: Sometimes outdated cached data can cause update issues. You can clear your browser cache by going to your browser settings and looking for privacy or history settings to clear browsing data.

4. Check for Browser Updates: Ensure your WebKit-based browser is up to date, as an outdated browser may cause compatibility issues.

5. Try a Different Browser: If the issue persists, try launching Castle Clash in a different browser (like Chrome or Firefox) on your Windows 10 PC to see if the update works there.

6. Check Game Account Status: Make sure your account is logged in properly in the game and that there are no account restrictions.

If you have already tried some of these, please let me know which ones, and we can explore more advanced troubleshooting or specific fixes based on your feedback!