和凝
Meanwhile, Empress Dowager Shulü opposed Emperor Shizong's ascension and sent an army against him. He defeated her army, and subsequently put her under house arrest. During the campaign, however, he left the general Yelü Mada in charge of Heng Prefecture (恆州, in modern Shijiazhuang), where Feng, along with other former Later Jin chancellors Li Song and He Ning, had remained. Yelü Mada was corrupt and harsh, and also put the Han soldiers under severe restrictions, drawing their discontent. When Emperor Shizong subsequently sent an order for the Later Jin officials to continue to advance north to attend to Emperor Taizong's funeral, the Han soldiers mutinied under the leadership of the officer Bai Zairong (). During the battle inside Heng Prefecture, at the urging of Li Gu, Feng, Li Song, and He Ning personally went to encourage the soldiers to fight, and it was said that that raised the morale of the Han soldiers, who subsequently defeated Yelü Mada and forced him to flee with his remaining Khitan soldiers. The soldiers subsequently offered the military governorship of the region (Chengde Circuit () to Feng, but Feng declined, pointing out that a military officer should do so, so Bai claimed the title of acting military governor, and subsequently submitted to Later Han.