报错：
hikvision.HTML:61 Access to XMLHttpRequest at ‘https://open.ys7.com/api/lapp/token/get/?appKey=6532364…&appSecret=b043a00…’ from origin ‘null’ has been blocked by CORS policy: The ‘Access-Control-Allow-Origin’ header contains the invalid value ‘null//undefined’

改变html打开方式，最好让它部署在服务器上运行，而不是在本地运行

https://github.com/yogesa/hikvision.git

	WebSocket connection to 'wss://sqjsdecoder.ys7.com:20006/?version=0.1&cipherSuites=0&sessionID=' failed: 
ezuikit.js:1614 Uncaught (in promise) TypeError: Cannot read property 'oError' of undefined
    at ezuikit.js:1614
    at Array.find (<anonymous>)
    at ezuikit.js:1614

截图如下：

可能是因为开了科学上网的原因，加载不下来min.js,所以，把科学上网的软件关掉即可