我的java代码块是红色的怎么回事啊？

[nghsky]

{{< colorcode mode="javaHigh" title="java" >}}
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
{{}}

public class HelloWorld {
  public static void main(String[] args) {
    System.out.println("Hello, World!");
  }
}