The japanese government was at the mercy of the joseon dynasty ' s diplomacy and they lost their patience at last , so they made a breakthrough; dispatched a small warship to pusan and invited the members of toraifu on board to show the shooting exercises . 結果的に、李氏朝鮮外交に翻弄された日本政府は、遂に痺れを切らし、小艦を釜山に派遣し東莱府館員を艦上に招待し発砲演習を見せつけることにより、局面打開を図った。