What is the theme of Jingwei's poems?

Patriotic theme. Be loyal to the monarch and express your ambition. Gu began to compile two masterpieces on 27th, Diseases in the Country, A Country under the Heaven and A Record of Zhao Yu. This poem was written at the age of 36 according to the story of Jingwei bird in Shan Hai Jing. According to legend, Jingwei bird is the daughter of Emperor Yan and was swallowed by the sea. Her soul became a bird. Gu persistently collected stones and branches from high mountains and threw them into the East China Sea. He compared himself to a bird. He is determined to realize his great cause of anti-Qing and restoring sight with the spirit of jingwei bird and write great works. Jingwei's poems express his determination to stick to integrity and not yield to the Qing Dynasty. After 30 years, the great work was finally finished. In order to explore the way to save the country and the people, Gu conducted a lot of investigation and research.