I spread public welfare projects in my mobile phone Baidu APP account. My settings-> Accounts and security-> Account first aid-> The account was cancelled. If you cannot cancel, the previous operation will be closed again.

Public welfare is the abbreviation of public interest. This is a popular way to serve the people without asking for anything in return.

Refers to the welfare and interests of the public. The word "commonweal" appeared and was used in China at the latest in 1887, and was written into the Charter of Local Autonomy of Villages and Towns promulgated by Guangxu in Qing Dynasty on February 27th, 34th year.