《汉书·传·杨胡朱梅云传》
车骑将军王舜钦佩他的志气节操，将他比为乐布，上表奏请皇帝批准让云敞作自己的属吏，后又荐举他为中郎谏大夫。
车骑将军王舜高其志节，比之栾布，表奏以为掾，荐为中郎谏大夫。
Chariot General Wang Shun was impressed by his courage and integrity, comparing him to Yue Bu, and memorialized the emperor to approve Yun Chang's appointment as his subordinate official. He later recommended him to be the Zhonglang Counselor.