淡入淡出时候出现问题

我想把字幕同时淡入淡出，但是好像没办法做到，播放字幕的时候只会执行前一个命令，有朋友能帮我解决吗？
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,方正隶变简体,28,&H003EF455,&HF0000000,&H03FB8A46,&HF0000000,-1,0,0,0,100,100,0,0.00,1,1,0,8,30,30,10,134
Style: TITLE,楷体_GB2312,45,&H00FFFFFF,&HF0000000,&H00000000,&HF0000000,-1,0,0,0,100,100,0,0.00,1,1,0,5,30,30,10,134

[Events]
Format: Layer, Start, End, Style, Actor, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:08.00,0:03:00.00,*Default,NTP,0000,0000,0000,Banner;15;0;0,喜欢
Dialogue: 0,0:00:03.00,0:00:07.00,TITLE,NTP,0000,0000,0000,,{\fade(1000,20)}{\fad(20,1000)}风雪云

最后的我换了好多方法都没做成功

恩，我已经解决了，我还以为后面的一个数字是代表时间，所以添加了2个fad的命令