diff --git a/BarrageGrab/Scripts/inject/livePage.js b/BarrageGrab/Scripts/inject/livePage.js
new file mode 100644
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+++ b/BarrageGrab/Scripts/inject/livePage.js
@@ -0,0 +1,37 @@
+//上下文常量将在上方由程序注入
+//const PROCESS_NAME = "进程名";
+
+/**
+ * Web/PC端 直播页JS注入
+ * 正则: @".*:\/\/live.douyin\.com\/\d+"
+ **/
+
+/*注入脚本 定时触发全局keydown，避免直播流被无操作阻断*/
+
+// 创建一个虚拟的按键事件
+const simulatedEvent = new KeyboardEvent('keydown', {
+    key: 'Virtual_Alt',
+    keyCode: 18, //alt
+    bubbles: true,
+    cancelable: true
+});
+
+// 获取要分派事件的目标元素，例如文档的根元素
+const targetElement = document.documentElement;
+
+// 设置定时器，每隔60秒模拟一次按键事件
+setInterval(() => {
+    targetElement.dispatchEvent(simulatedEvent);
+}, 1000 * 60);
+
+// 订阅 keydown 事件 (Debug)
+targetElement.addEventListener('keydown', event => {
+    if (event.key == "Virtual_Alt") {
+        console.log('[防挂机处理] 按下了', event.key);
+    }
+});
+
+/*禁止关闭 Websocket*/
+WebSocket.prototype.close = function () { return; }
+
+