2. Yu Zhanao led his brothers to form their own armed forces to deal with local governments, bandits and iron-clad generals. The July 7th Incident broke out and the Japanese army invaded Shandong, which broke the prosperity of Gaomi County in the past. In the face of national justice, Yu Zhanao and other forces put aside their differences, stopped their disputes and joined the war of resistance. At the time of internal troubles and foreign invasion, Jiu-Er led the team, led the Japanese devils to sorghum fields, lit red sorghum, and mutually assured destruction with the enemy. He wrote a legendary story of love and conquest, ambition and will with his own life in Gaomi, Shandong Province.