When fiber-optic broadband can't access the Internet, it is suggested that you can restart the optical cat or computer, check whether the broadband is in arrears, and use a single line to connect to the network for testing. If it still doesn't work, I suggest you call the customer service hotline 10000 for inquiry or fault repair, or you can log in to the telecom online business hall, WeChat official account and Huan GO client for self-service fault repair. Customer service 53 answers for you. The traffic supermarket has a complete range of goods, and you can freely choose traffic packages, packages, voice packages and holiday traffic packages according to your needs; Reply to the keyword "flow supermarket" and you can handle it directly, which is convenient and fast.