<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>故障排查 — TiziTools</title><link>https://www.tizitools.com/category/troubleshooting/</link><description>处理 IP、DNS、IPv6、订阅、代理残留和软件无法联网等常见问题，每一步都有检查结果。</description><language>zh-CN</language><lastBuildDate>Thu, 16 Jul 2026 00:00:00 GMT</lastBuildDate><atom:link href="https://www.tizitools.com/category/troubleshooting/feed.xml" rel="self" type="application/rss+xml" /><item><title>节点订阅更新失败：从账户、链接到客户端逐项检查</title><link>https://www.tizitools.com/posts/subscription-update-failed/</link><guid isPermaLink="true">https://www.tizitools.com/posts/subscription-update-failed/</guid><description>遇到订阅超时、无效内容、节点列表为空或购买后没有更新时，怎样判断账户状态、订阅链接和客户端解析问题。</description><category>故障排查</category><dc:creator>TiziTools 编辑部</dc:creator><pubDate>Thu, 16 Jul 2026 00:00:00 GMT</pubDate></item>
<item><title>域名解析错误与 DNS 缓存：先查询，再刷新</title><link>https://www.tizitools.com/guides/dns-cache-reset/</link><guid isPermaLink="true">https://www.tizitools.com/guides/dns-cache-reset/</guid><description>网站换了服务器却仍打开旧地址、部分设备正常部分失败时，怎样比较权威记录、公共解析器和本地缓存。</description><category>故障排查</category><dc:creator>TiziTools 编辑部</dc:creator><pubDate>Mon, 13 Jul 2026 00:00:00 GMT</pubDate></item>
<item><title>IPv6 看似已连接却打不开部分网站：双栈排障方法</title><link>https://www.tizitools.com/guides/ipv6-connectivity-problems/</link><guid isPermaLink="true">https://www.tizitools.com/guides/ipv6-connectivity-problems/</guid><description>系统获得 IPv6 地址但路由、DNS 或 MTU 不完整时，如何确认问题并安全地做一次 IPv4 对照测试。</description><category>故障排查</category><dc:creator>TiziTools 编辑部</dc:creator><pubDate>Mon, 13 Jul 2026 00:00:00 GMT</pubDate></item></channel></rss>