Because those who are detained before the judgment should be counted within the time limit.
The probation period of one year refers to the probation period. In other words, as long as you abide by the regulations of community correction within one year, you don't need to squat for seven months.
Article 47 of the Criminal Law stipulates that the term of fixed-term imprisonment shall be counted from the date of execution of the judgment; If a person is detained before the execution of the judgment, one day of detention shall be reduced to one day of imprisonment.