Let the lawyer help you sort it out: according to the relevant laws of our country, if a criminal suspect in custody is sentenced to probation, the court will first change the compulsory measures and immediately notify the public security organ, and the public security organ will immediately go through the release procedures, usually within 24 hours.
The Supreme People's Court's Interpretation of the Application of the Criminal Procedure Law of People's Republic of China (PRC) Article 134 The people's court of first instance ruled that the defendant was innocent, not criminally responsible or exempted from criminal punishment. If the defendant is in custody, he shall be released immediately after the judgment. In any of the following circumstances, the people's court shall change the compulsory measures or release the arrested defendant:
(a) the people's court of first instance sentenced to public surveillance, probation, respectively, the application of additional punishment, and the judgment has not yet taken legal effect;
(2) The defendant's time in custody has expired the sentence imposed by the people's court of first instance;
(3) It cannot be concluded within the time limit prescribed by law.