Regarding the bugs in *Xue Pinggui and Wang Baochuan* and an explanation of the collective leadership system

The historical background of the TV drama "Xue Pinggui and Wang Baochuan" is the Tang Dynasty. Combined with Xue Pinggui's original name Li Wen, it can be inferred that the historical background of this TV drama is during the reign of Emperor Yizong of Tang, Li Cui. At that time, the title of chancellor was not "chengxiang" (prime minister), but rather the heads of the three departments (Zhongshu Ling, Menxia Shizhong, Shangshu Zuo Puye, Shangshu You Puye), as well as those concurrently appointed as Tong Pingzhangshi. However, in "Xue Pinggui and Wang Baochuan," the title of chancellor is actually "chengxiang."
During the Kaiyuan era of Emperor Xuanzong of Tang, the emperor once changed the titles of Shangshu Zuo Puye and You Puye to Zuo Chengxiang and You Chengxiang. After the Kaiyuan era, the names of these positions were restored to Shangshu Zuo Puye and Shangshu You Puye, and they were never changed again until the fall of the Tang Dynasty.
Therefore, the position of "chengxiang" should not appear in the TV drama "Xue Pinggui and Wang Baochuan."
Coincidentally, in the first episode, Xue Pinggui's biological father, Emperor Xuanzong of Tang, Li Chen, did not refer to himself as "zhen" in court, but rather as "guaren." Since Qin Shi Huang adopted "huangdi" as the honorific title and "zhen" as the emperor's self-reference, until the abdication of Xuantong of the Qing Dynasty, the emperor's self-reference had always been "zhen," while "guaren" and "gu" were self-references used by vassal kings. As Tang was a unified dynasty, Xuanzong referring to himself as "guaren" was truly beneath his status.
In episode 48, when Emperor Xuanzong passed away and Emperor Yizong ascended the throne, Emperor Yizong mentioned that when his late father passed away, he actually said "the late emperor hushi (passed away)." When the Zhou Son of Heaven died, it was called "beng"; when a vassal died, it was called "hong"; when a senior official died, it was called "zu"; when a scholar died, it was called "bulu." After the Zhou Dynasty, the death of an emperor was called "beng," also known as "jiabeng." Emperor Yizong referring to Emperor Xuanzong's death as "hushi" was indeed inappropriate in many ways.
The above bugs, I do not know whether they were intentionally done by the TV drama or caused by the screenwriter's unfamiliarity with history and literature. I record them here for discussion.