In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. The specific details were not mentioned in the search results provided.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. However, the specific details were not mentioned in the search results provided. Thus, based on the information provided, it was impossible to accurately answer how the Qing Emperor discovered Chen Pingping's betrayal.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. The specific details were not explicitly mentioned, but Chen Pingping's investigation revealed the Qing Emperor's betrayal.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. In addition, Chen Pingping investigated Ye Qingmei's death and finally discovered that the Qing Emperor was the mastermind behind Ye Qingmei's death. Chen Pingping's investigation revealed the Qing Emperor's betrayal, which led to the conflict between them. As for how the Qing Emperor had discovered Chen Pingping's betrayal, the current information did not mention it.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. Chen Pingping had discovered the Qing Emperor's betrayal of Ye Qingmei through the investigation of Xuankong Temple and the assassination in the valley, as well as the plan planted by the Qing Emperor during his mission. Thus, the Qing Emperor discovered that Chen Pingping's betrayal was gradually revealed through the investigation and suspicion of both sides.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess. In addition, Chen Pingping also discovered the Qing Emperor's secret through investigating Ye Qingmei's death and revealed the Qing Emperor's betrayal. The specific details and process might need to be further understood in the relevant plot.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess.
In " Celebrating Years," the Qing Emperor discovered Chen Pingping's betrayal through the process of investigation and suspicion. The Qing Emperor began to suspect that Chen Pingping had done so after the battle of Dong Mountain, when Fan Jian had returned to his hometown and Chen Pingping had refused to leave. The Qing Emperor's internal court intelligence agency began to investigate Xuankong Temple and the attack in the valley, as well as Chen Pingping's role in the matter of the Crown Prince and Eldest Princess.