Is “He was mocked by Zhuge Liang and served as a messenger demanding Jingzhou.” true?

Records of the Three Kingdoms, Book of Wu records Zhuge Jin as a key minister of Sun Quan, who repeatedly offered counsel and rose to the rank of Grand General; his mission to Shu Han was to discuss state affairs (source: Book of Wu, Biographies of Zhang, Gu, Zhuge, and Bu: 'In the twentieth year of Jian'an, Quan sent Jin to Shu to establish friendly relations with Liu Bei, and he met with his younger brother Liang in public assembly, but had no private meetings.'); Romance of the Three Kingdoms portrays him as a pathetic negotiator shuttling between Wu and Shu to demand Jingzhou, only to be repeatedly overruled by Zhuge Liang (source: Chapter 066: 'Jin, face full of shame, hastily took leave and boarded a boat, then went to Western Sichuan to see Kongming, but Kongming had already gone on an inspection tour. Jin could only see Xuande again, weeping and telling of Yun Chang's desire to kill him.').