《旧唐书·本纪·卷五》
兖州界设置紫云观、仙鹤观、万岁观，设置封峦寺、非烟寺、重轮寺。
男子赐古爵。兗州界置紫云。仙鹤、万岁观，封峦、非烟、重轮三寺。
Ziyun Temple, Xianhe Temple and Wansui Temple were established in Yanzhou, and Fengluan Temple, Feiyan Temple and Chonglun Temple were established.