Some selectors are not allowed in component wxss,

今天也遇到这个问题，莫名其妙所有组件都会报这个错误 ，小程序和h5都只是警告，真机测试时，组件样式全部挂掉了，，然后经过回退git历史，发现是因为将iconfont.scss导入到uni.scss中了。
解决方法就是，将iconfont.scss从uni.scss中拿出来，在App.vue中导入。

运行日志：
2019-10-11 18:10:27 [LanguageServerProcess] java.net.SocketException: Connection reset by peer: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
at java.io.DataOutputStream.write(Unknown Source)
at java.io.DataOutputStream.writeUTF(Unknown Source)
at java.io.DataOutputStream.writeUTF(Unknown Source)
at com.pandora.console.core.thread.ConsoleMessageThread.run(ConsoleMessageThread.java:70)
2019-10-11 18:10:27.517 [WARNING:] QProcess: Destroyed while process ("D:\soft\HBuilderX\plugins\jre\bin\java.exe") is still running.

2019-10-11 18:10:27.542 [WARNING:] uniapp compiled errorOccurred====== "进程已崩溃"

2019-10-11 18:10:31.968 [INFO:] refresh next project status

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2019-10-11 18:11:01.808 [WARNING:] [MENU] !!!Can't find the action id: "workbench.action.testExpr"

2019-10-11 18:11:03.116 [INFO:] [workspace/clearIndexTask] "{\"message\":\".log构建完成。\",\"projectpath\":\"C:\\Users\\yibbay\\AppData\\Roaming\\HBuilder X\\.log\"}"

怎么解决这个问题，什么标签啊？