增加webrt流媒体随程序启动 修复用户添加报错的bug

‘liusuyi’

2023-07-27 e279e456850734349842edd8ce52dc16fc5cdea7

 ard-work/src/main/java/com/ruoyi/device/hiksdk/common/GlobalVariable.java

@@ -19,4 +19,6 @@
    public static Map<String, Integer> loginMap = new HashMap<>();
    //相机预览字典
    public static Map<String, Integer> previewMap = new HashMap<>();
    //线程字典
    public static Map<String,String>threadMap=new HashMap<>();
}