Briefly describe how Tao Qian surrendered to Xuzhou three times in "The Romance of the Three Kingdoms". You have to write it yourself.

During the Three Kingdoms period, Cao Cao's father was

Briefly describe how Tao Qian surrendered to Xuzhou three times in "The Romance of the Three Kingdoms". You have to write it yourself.

During the Three Kingdoms period, Cao Cao's father was being taken to Cao Cao's place. Passing by Xuzhou, Tao Qian wanted to please Cao Cao, but he hired someone improperly. The person who received him killed Cao Cao's father. Cao Cao was furious. He attacked Xuzhou himself. Liu Bei was invited to rescue, but Cao Cao's rear was attacked by Lu Bu, so he withdrew. Tao Qian gave Xuzhou. Liu Bei did not agree. He agreed to stay in Xiaopei. Later, Tao Qian became seriously ill and called Liu Bei to his bedside before he died. ,Liu Bei accepted it.