是的，这看起来不太对：
ActionView::Template::Error (No route matches {action: "tag_feed", controller: "tags", tag_id: "9999"})
app/views/list/list.erb:136
app/views/list/list.erb:134
lib/topic_list_responder.rb:16:in 'block (2 levels) in TopicListResponder#respond_with_list'
lib/topic_list_responder.rb:7:in 'TopicListResponder#respond_with_list'
app/controllers/tags_controller.rb:223:in 'block (2 levels) in <class:TagsController>'
app/controllers/tags_controller.rb:229:in 'TagsController#show'
app/controllers/application_controller.rb:447:in 'block in ApplicationController#with_resolved_locale'
app/controllers/application_controller.rb:447:in 'ApplicationController#with_resolved_locale'
app/controllers/application_controller.rb:1098:in 'ApplicationController#ensure_dont_cache_page'
lib/middleware/omniauth_bypass_middleware.rb:35:in 'Middleware::OmniauthBypassMiddleware#call'
…
我们应该修复这个错误；如果找不到标签 ID，我们或许还可以回退到查找全数字形式的标签名称。
Wayback 首次注意到该标签出现在 2025-05-13，其 URL 为 https://retrocomputingforum.com/tag/6309，该链接在当时 可以正常访问，并一直有效直到 2025-12-16。
