Does the whole palace know that Wei Zi blocked a knife for the emperor?

The whole palace knows that Wei Zi blocked a knife for the emperor. According to relevant information, we can know that when the emperor went out to patrol with many of his princes and important officials, someone assassinated the emperor in the street. Wei Zi rushed forward without hesitation and blocked a knife for the emperor. Everyone present witnessed it. It can be said that not only the palace, but also the whole people know that Wei Zi blocked a knife for the emperor.