One of Hong's almanacs from the 12th year of the Jiaqing reign (1796-1821) includes the following warning: "Almanacs of Jicheng Hall are only available through the Haiqingting Zeri [" day selection"] Studio in Quanzhou City; only those are genuine. "
在嘉慶十二年的洪潮和通書上，除了蓋上朱印，還出現這樣的警語：「繼成堂大小通書，僅泉州城內海清亭擇日館中發兌，方是真本。」