https://developer.mozilla.org/zh-CN/docs/Web/API/GlobalEventHandlers/oncontextmenu
禁止右键菜单
document.oncontextmenu = new Function("return false");
https://developer.mozilla.org/zh-CN/docs/Web/API/GlobalEventHandlers/oncontextmenu
document.oncontextmenu = new Function("return false");
让时间为你证明