오용
The authorities later determine that Chao is the mastermind and send constables to arrest the group in his house. Forewarned by Song Jiang, Chao Gai, Wu Yong, Gongsun Sheng and Liu Tang flee to the home of the Ruan brothers in a fishing village. When constables come for them in a bigger force, Wu Yong sets a plan to lure them into the marsh. Gongsun plays the role of manipulating the weather to confound the pursuers, who lose their way in the lake and are mown down by the rest. After this, the seven men flee to Liangshan Marsh to seek refuge.