查找：

    private static final int[] DROP_RATE_GAIN = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14};
    private static final int[] MESO_RATE_GAIN = {1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105};
    private static final int[]  EXP_RATE_GAIN = {1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610};    //fibonacci :3


替换：
    private static final int[] DROP_RATE_GAIN = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
    private static final int[] MESO_RATE_GAIN = {1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 2, 3, 3, 3};
    private static final int[]  EXP_RATE_GAIN = {1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3};    //fibonacci :3