修改rpg_param.xml 文件， 在里面添加下面代码：

<row rpg_param_key="AimZoomBase" rpg_param_value="0.9" />

<row rpg_param_key="AimZoomMax" rpg_param_value="99" />

<row rpg_param_key="AimStamCost" rpg_param_value="0.9" />

<row rpg_param_key="BowChargeDurationMax" rpg_param_value="0.4" />

<row rpg_param_key="BowChargeDurationMin" rpg_param_value="0.2" />

<row rpg_param_key="BowPowerToChargeDuration" rpg_param_value="0.1" />