Sign up for post bar SMS

Bind your mobile phone. When your question has a new answer, Baidu will send you a text message. It′s on the house.

After Baidu's binding function, the system has been upgrading.

You can't unbind at present, you can only change the binding.

Change the binding method:

After logging in to Baidu Know, click My Know in the upper right corner, click My Settings in the lower left corner, and then click Contact Information in Personal Information to reset the binding.