He also had written a script entitled Midnight Shooting describing a policeman with a Jekyll-and-Hyde personality who saw his mother commit adultery when he was young, and now, without fully being aware of what he is doing, kills a criminal while making an arrest. Chang, like every aspiring new director, applied for a government grant, and after great struggle was able to secure one for NT $ 4 million in 1992.
同時也寫了描述一位警察由於小時候目睹母親奸情，緝兇時不知不覺也犯下兇案，刻劃主角雙重性格的心理劇《暗夜槍聲》的企劃案，循著新導演找資金的路線，好不容易爭取到八十一年度國片輔導金四百萬元。