uni-app 编译H5报错，编译小程序没问题，之前都没事，好像更新之后就不行了，麻烦帮忙看看，急

10:12:22.582 项目 'haima-h5-uni' 开始编译...
10:12:23.690 INFO Starting development server...
10:12:34.668 Module build failed (from ./node_modules/postcss-loader/src/index.js):
10:12:34.669 SyntaxError
10:12:34.675 (1:5774) Unclosed bracket
10:12:34.686 > 1 | @-webkit-keyframes van-slide-up-enter{0%{-webkit-transform:translate3d(0,100%,0);transform:translate3d(0,100%,0)}}@keyframes van-slide-up-enter{0%{-webkit-transform:translate3d(0,100%,0);transform:translate3d(0,100%,0)}}@-webkit-keyframes van-slide-up-leave{to{-webkit-transform:translate3d(0,100%,0);transform:translate3d(0,100%,0)}}@keyframes van-slide-up-leave{to{-webkit-transform:translate3d(0,100%,0);transform:translate3d(0,100%,0)}}@-webkit-keyframes van-slide-down-enter{0%{-webkit-transform:translate3d(0,-100%,0);transform:translate3d(0,-100%,0)}}@keyframes van-slide-down-enter{0%{-webkit-transform:translate3d(0,-100%,0);transform:translate3d(0,-100%,0)}}@-webkit-keyframes van-slide-down-leave{to{-webkit-transform:translate3d(0,-100%,0);transform:translate3d(0,-100%,0)}}@keyframes van-slide-down-leave{to{-webkit-transform:translate3d(0,-100%,0);transform:translate3d(0,-100%,0)}}@-webkit-keyframes 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10:12:35.721 | ^