Why did the poet Lu You never expect the good news of national reunification? After learning the problem of ringtones.

The weakness and internal corruption of the Southern Song Dynasty imperial court. Lu You, a poet in the Southern Song Dynasty. At that time, the court of the Southern Song Dynasty was partial to the south of the Yangtze River and lost control of the northern territory, while the State of Jin occupied a large part of the northern territory. Lu You devoted his whole life to fighting against Jin Guo, recovering lost land and unifying the whole country. However, due to the weakness of the Southern Song Dynasty court and internal corruption, his ideal has never been realized.