《太平广记·卷四百五十六·蛇一》
等到生了张承，就起名叫白鹤，张承生下张昭，官位一直做到丞相，封为辅吴将军，年纪超过九十岁，是蛇和鹤带来的吉祥。
及生承，名白鹤。承生昭，位至丞相，为辅吴将军，年逾九十，蛇鹤之祥也。
When Zhang Cheng was born, he was named Baihe. Zhang Cheng gave birth to Zhang Zhao, and his official position remained as Prime Minister, and he was named General Fuwu. He was over ninety years old, which was a blessing brought by the snake and the crane.