愚問, 為何會出現下圖問題?
即使我選是或否也無反應, 懇請師兄幫忙

另問, 我已設定 回覆主題無需使用e-mail 通知, 為何還有e-mail通知, 謝解答

I do not see any problems from testing.

Please make sure you have selected "Unsubscribe topic" in the bottom of the topic page. After doing so, it should do "Subscribe topic"