What were the main supervisory institutions and systems in ancient China?

Qin dynasty: the imperial censor was also in charge of state supervision affairs

Western Han Dynasty: (1) Central Committee: undertaken by officials below the imperial doctor; (2) Local Committee: the historical secretariat for monitoring princes and local senior officials.

Tang Dynasty: Yushitai regularly visited Kyoto Prison to inspect the law enforcement.

Song dynasty: I want to mention that the prison department is a full-time official who supervises prisons.

Yuan dynasty: serious cases of human life were transferred to the censorate by official documents, and were re-pressured by the censor.

Ming and Qing Dynasties: Duchayuan was in charge.

Unclear organization